TY 2015 Form 990

- TIN:

Form990

Department of the TreasuryInternal Revenue Service

Return of Organization Exempt From Income Tax

Under section 501(c), 527, or 4947(a)(1) of the Internal Revenue Code (except private
foundations)

Do not enter social security numbers on this form as it may be made public.

Information about Form 990 and its instructions is at www.IRS.gov/form990.

OMB No. 1545-0047

2015

Open to Public Inspection

A For the 2015 calendar year, or tax year beginning 01-01-2015 , and ending 12-31-2015

BCheck if applicable: Address change Name change Initial return Final return/terminated Amended return Application pending

CName of organization
AMERICAN INSTITUTE OF HYDROLOGY

Doing business as

Number and street (or P.O. box if mail is not delivered to street address)
ENG D113-MC 6603 1230 LINCOLN DR

Room/suite

City or town, state or province, country, and ZIP or foreign postal code
CARBONDALE, IL62901

D Employer identification number

41-1489784

E Telephone number

G Gross receipts $ 94,042

F Name and address of principal officer:

Tax-exempt status: 501(c)(3) 501(c) ( 6 ) LeftBullet

(insert no.) 4947(a)(1) or 527

Website:

AIHYDROLOGY.ORG

H(a)

Is this a group return for
subordinates? Yes No

H(b)

Are all subordinates
included?

Yes No

If "No," attach a list. (see instructions)

H(c)

Group exemption number MediumBullet

K Form of organization: Corporation Trust Association Other MediumBullet

L Year of formation:

M State of legal domicile:

Part I

Summary

1	Briefly describe the organization’s mission or most significant activities: TO ENHANCE AND STRENGTHEN HYDROLOGY BY ESTABLISHING STANDARDS/PROCEDURES OF CERTIFICATION, MAINTAINING ETHICAL STANDARDS, PROVIDING EDUCATION AND TRAINING, AND ADVICE AND GUIDANCE TO THE PUBLIC AND GOVERNMENT.
2	Check this box
3	Number of voting members of the governing body (Part VI, line 1a) ........	3	12
4	Number of independent voting members of the governing body (Part VI, line 1b) .....	4	12
5	Total number of individuals employed in calendar year 2015 (Part V, line 2a) ......	5	0
6	Total number of volunteers (estimate if necessary) .............	6
7a	Total unrelated business revenue from Part VIII, column (C), line 12 ........	7a	0
b	Net unrelated business taxable income from Form 990-T, line 34 .........	7b

		Prior Year	Current Year
8	Contributions and grants (Part VIII, line 1h) .........	895	760
9	Program service revenue (Part VIII, line 2g) .........	62,709	93,282
10	Investment income (Part VIII, column (A), lines 3, 4, and 7d ) ....		0
11	Other revenue (Part VIII, column (A), lines 5, 6d, 8c, 9c, 10c, and 11e)		0
12	Total revenue—add lines 8 through 11 (must equal Part VIII, column (A), line 12)	63,604	94,042
13	Grants and similar amounts paid (Part IX, column (A), lines 1–3 )...		0
14	Benefits paid to or for members (Part IX, column (A), line 4).....		0
15	Salaries, other compensation, employee benefits (Part IX, column (A), lines 5–10)		0
16a	Professional fundraising fees (Part IX, column (A), line 11e) .....		0
b	Total fundraising expenses (Part IX, column (D), line 25) 0
17	Other expenses (Part IX, column (A), lines 11a–11d, 11f–24e)....	74,167	71,892
18	Total expenses. Add lines 13–17 (must equal Part IX, column (A), line 25)	74,167	71,892
19	Revenue less expenses. Subtract line 18 from line 12.......	-10,563	22,150
		Beginning of Current Year	End of Year
20	Total assets (Part X, line 16).............	100,967	123,117
21	Total liabilities (Part X, line 26).............		0
22	Net assets or fund balances. Subtract line 21 from line 20.....	100,967	123,117

Part II

Signature Block

Under penalties of perjury, I declare that I have examined this return, including accompanying schedules and statements, and to the best of my knowledge and belief, it is true, correct, and complete. Declaration of preparer (other than officer) is based on all information of which preparer has any knowledge.

Sign Here

	Signature of officer	Date

	Type or print name and title

Paid Preparer Use Only

Print/Type preparer's name

Preparer's signature

Date

Check if
self-employed

PTIN

Firm's name MediumBullet

Firm's EIN MediumBullet

Firm's address MediumBullet

Phone no.

May the IRS discuss this return with the preparer shown above? (see instructions) ..........YesNo

For Paperwork Reduction Act Notice, see the separate instructions.

Cat. No. 11282Y Form 990 (2015)

Form 990 (2015)

Page 2

Part III

Statement of Program Service Accomplishments

Check if Schedule O contains a response or note to any line in this Part III ..............

Briefly describe the organization’s mission: TO ENHANCE AND STRENGTHEN HYDROLOGY BY ESTABLISHING STANDARDS/PROCEDURES OF CERTIFICATION, MAINTAINING ETHICAL STANDARDS, PROVIDING EDUCATION AND TRAINING, AND ADVICE AND GUIDANCE TO THE PUBLIC AND GOVERNMENT.

Did the organization undertake any significant program services during the year which were not listed on
the prior Form 990 or 990-EZ? ..................... Yes No

If "Yes," describe these new services on Schedule O.

Did the organization cease conducting, or make significant changes in how it conducts, any program
services? ........................... Yes No

If "Yes," describe these changes on Schedule O.

Describe the organization’s program service accomplishments for each of its three largest program services, as measured by expenses. Section 501(c)(3) and 501(c)(4) organizations are required to report the amount of grants and allocations to others, the total expenses, and revenue, if any, for each program service reported.


4a	(Code: ) (Expenses $ 29,568 including grants of $ ) (Revenue $ )
	TO ENHANCE AND STRENGTHEN HYDROLOGY AS A SCIENCE AND AS A PROFESSION. AIH IS THE ONLY TECHNICAL ORGANIZATION IN THE US THAT OFFERS CERTIFICATION TO PROFESSIONALS NATIONWIDE AND WORLDWIDE. AT ANNUAL CONFERENCES, PROFESSIONALS HAVE OPPORTUNITIES TO SHARE FINDINGS, ADVANCE THE SCIENCE, AND RECOGNIZE PEER PERFORMANCE.

4b	(Code: ) (Expenses $ 14,831 including grants of $ ) (Revenue $ )
	TO ESTABLISH PROFESSIONAL QUALIFICATIONS FOR CERTIFICATION OF HYDROLOGISTS AND HYDROGEOLOGISTS. OVER THE PAST 27 YEARS, AIH HAS CERTIFIED MORE THAN 1400 HYDOLOGISTS AND HYDROGEOLOGISTS, AND AND HYDROLOGIC TECHNICIANS; AND HAS BEEN A NATIONAL LEADER IN ESTABLISHING STANDARDS OF OPERATION AND ANALYSIS FOR HYDROLOGIC STUDIES.

4c	(Code: ) (Expenses $ 14,369 including grants of $ ) (Revenue $ )
	TO PROVIDE A FORUM FOR THE EXCHANGE OF TECHNICAL INFORMATION AMONG HYDROLOGISTS AND HYDROGEOLOGISTS. INFORMATION IS DISSEMINATED THROUGH REPORTS, PEER-REVIEWED JOURNAL PAPERS, AND PRESENTATIONS AT TECHNICAL MEETINGS AND PROCEEDINGS. ATTENDANCE AT THESE MEETINGS RANGES FROM 100 TO 350 PROFESSIONALS.

4d	Other program services (Describe in Schedule O.)
	(Expenses $ including grants of $ ) (Revenue $ )
4e	Total program service expenses58,768

Form 990 (2015)

Page 3

Part IV

Checklist of Required Schedules

Yes

Is the organization described in section 501(c)(3) or 4947(a)(1) (other than a private foundation)? If "Yes," complete Schedule A.....................

Is the organization required to complete Schedule B, Schedule of Contributors (see instructions)? ...

Did the organization engage in direct or indirect political campaign activities on behalf of or in opposition to candidates for public office? If "Yes," complete Schedule C, Part I.............

Section 501(c)(3) organizations. Did the organization engage in lobbying activities, or have a section 501(h) election in effect during the tax year? If "Yes," complete Schedule C, Part II..............

Is the organization a section 501(c)(4), 501(c)(5), or 501(c)(6) organization that receives membership dues, assessments, or similar amounts as defined in Revenue Procedure 98-19? If "Yes," complete Schedule C, Part III.................

Did the organization maintain any donor advised funds or any similar funds or accounts for which donors have the right to provide advice on the distribution or investment of amounts in such funds or accounts? If "Yes," complete Schedule D, Part I..................

Did the organization receive or hold a conservation easement, including easements to preserve open space,
the environment, historic land areas, or historic structures? If "Yes," complete Schedule D, Part II...

Did the organization maintain collections of works of art, historical treasures, or other similar assets? If "Yes," complete Schedule D, Part III .............

Did the organization report an amount in Part X, line 21 for escrow or custodial account liability; serve as a custodian for amounts not listed in Part X; or provide credit counseling, debt management, credit repair, or debt negotiation services? If "Yes," complete Schedule D, Part IV..............

Did the organization, directly or through a related organization, hold assets in temporarily restricted endowments, permanent endowments, or quasi-endowments? If "Yes," complete Schedule D, Part V......

If the organization’s answer to any of the following questions is "Yes," then complete Schedule D, Parts VI, VII, VIII, IX, or X as applicable.

Did the organization report an amount for land, buildings, and equipment in Part X, line 10?
If "Yes," complete Schedule D, Part VI....................

11a

Did the organization report an amount for investments—other securities in Part X, line 12 that is 5% or more of its total assets reported in Part X, line 16? If "Yes," complete Schedule D, Part VII.......

11b

Did the organization report an amount for investments—program related in Part X, line 13 that is 5% or more of its total assets reported in Part X, line 16? If "Yes," complete Schedule D, Part VIII.......

11c

Did the organization report an amount for other assets in Part X, line 15 that is 5% or more of its total assets reported in Part X, line 16? If "Yes," complete Schedule D, Part IX............

11d

Did the organization report an amount for other liabilities in Part X, line 25? If "Yes," complete Schedule D, Part X

11e

Did the organization’s separate or consolidated financial statements for the tax year include a footnote that addresses the organization’s liability for uncertain tax positions under FIN 48 (ASC 740)? If "Yes," complete Schedule D, Part X

11f

12a

Did the organization obtain separate, independent audited financial statements for the tax year?
If "Yes," complete Schedule D, Parts XI and XII .................

12a

Was the organization included in consolidated, independent audited financial statements for the tax year? If "Yes," and if the organization answered "No" to line 12a, then completing Schedule D, Parts XI and XII is optional

12b

Is the organization a school described in section 170(b)(1)(A)(ii)? If "Yes," complete Schedule E

14a

Did the organization maintain an office, employees, or agents outside of the United States? .....

14a

Did the organization have aggregate revenues or expenses of more than $10,000 from grantmaking, fundraising, business, investment, and program service activities outside the United States, or aggregate foreign investments valued at $100,000 or more? If "Yes," complete Schedule F, Parts I and IV.........

14b

Did the organization report on Part IX, column (A), line 3, more than $5,000 of grants or other assistance to or for any foreign organization? If “Yes,” complete Schedule F, Parts II and IV.....

Did the organization report on Part IX, column (A), line 3, more than $5,000 of aggregate grants or other assistance to or for foreign individuals? If “Yes,” complete Schedule F, Parts III and IV...

Did the organization report a total of more than $15,000 of expenses for professional fundraising services on Part IX, column (A), lines 6 and 11e? If "Yes," complete Schedule G, Part I (see instructions) ....

Did the organization report more than $15,000 total of fundraising event gross income and contributions on Part VIII, lines 1c and 8a? If "Yes," complete Schedule G, Part II............

Did the organization report more than $15,000 of gross income from gaming activities on Part VIII, line 9a? If "Yes," complete Schedule G, Part III...................

20a

Did the organization operate one or more hospital facilities? If "Yes," complete Schedule H....

20a

If "Yes" to line 20a, did the organization attach a copy of its audited financial statements to this return?

20b

Form 990 (2015)

Page 4

Part IV

Checklist of Required Schedules (continued)

Did the organization report more than $5,000 of grants or other assistance to any domestic organization or domestic government on Part IX, column (A), line 1? If “Yes,” complete Schedule I, Parts I and II.....

Did the organization report more than $5,000 of grants or other assistance to or for domestic individuals on Part IX, column (A), line 2? If “Yes,” complete Schedule I, Parts I and III........

Did the organization answer "Yes" to Part VII, Section A, line 3, 4, or 5 about compensation of the organization’s current and former officers, directors, trustees, key employees, and highest compensated employees? If "Yes," complete Schedule J.......................

24a

Did the organization have a tax-exempt bond issue with an outstanding principal amount of more than $100,000 as of the last day of the year, that was issued after December 31, 2002? If “Yes,” answer lines 24b through 24d and complete Schedule K. If “No,” go to line 25a...............

24a

Did the organization invest any proceeds of tax-exempt bonds beyond a temporary period exception?...

24b

Did the organization maintain an escrow account other than a refunding escrow at any time during the year
to defease any tax-exempt bonds? ...............

24c

Did the organization act as an "on behalf of" issuer for bonds outstanding at any time during the year?...

24d

25a

Section 501(c)(3), 501(c)(4), and 501(c)(29) organizations. Did the organization engage in an excess benefit transaction with a disqualified person during the year? If "Yes," complete Schedule L, Part I............

25a

Is the organization aware that it engaged in an excess benefit transaction with a disqualified person in a prior year, and that the transaction has not been reported on any of the organization’s prior Forms 990 or 990-EZ? If "Yes," complete Schedule L, Part I ...................

25b

Did the organization report any amount on Part X, line 5, 6, or 22 for receivables from or payables to any current or former officers, directors, trustees, key employees, highest compensated employees, or disqualified persons? If "Yes," complete Schedule L, Part II ................

Did the organization provide a grant or other assistance to an officer, director, trustee, key employee, substantial contributor or employee thereof, a grant selection committee member, or to a 35% controlled entity or family member of any of these persons? If "Yes," complete Schedule L, Part III.........

Was the organization a party to a business transaction with one of the following parties (see Schedule L, Part IV instructions for applicable filing thresholds, conditions, and exceptions):

A current or former officer, director, trustee, or key employee? If "Yes," complete Schedule L,
Part IV ........................

28a

A family member of a current or former officer, director, trustee, or key employee? If "Yes," complete Schedule L, Part IV.....................

28b

An entity of which a current or former officer, director, trustee, or key employee (or a family member thereof) was an officer, director, trustee, or direct or indirect owner? If "Yes," complete Schedule L, Part IV...

28c

Did the organization receive more than $25,000 in non-cash contributions? If "Yes," complete Schedule M..

Did the organization receive contributions of art, historical treasures, or other similar assets, or qualified conservation contributions? If "Yes," complete Schedule M .............

Did the organization liquidate, terminate, or dissolve and cease operations? If "Yes," complete Schedule N, Part I.

Did the organization sell, exchange, dispose of, or transfer more than 25% of its net assets? If "Yes," complete Schedule N, Part II ...........

Did the organization own 100% of an entity disregarded as separate from the organization under Regulations sections 301.7701-2 and 301.7701-3? If "Yes," complete Schedule R, Part I ........

Was the organization related to any tax-exempt or taxable entity? If "Yes," complete Schedule R, Part II, III, or IV, and Part V, line 1.........................

35a

Did the organization have a controlled entity within the meaning of section 512(b)(13)?

35a

If ‘Yes’ to line 35a, did the organization receive any payment from or engage in any transaction with a controlled entity within the meaning of section 512(b)(13)? If "Yes," complete Schedule R, Part V, line 2 ...

35b

Section 501(c)(3) organizations. Did the organization make any transfers to an exempt non-charitable related organization? If "Yes," complete Schedule R, Part V, line 2.............

Did the organization conduct more than 5% of its activities through an entity that is not a related organization and that is treated as a partnership for federal income tax purposes? If "Yes," complete Schedule R, Part VI

Did the organization complete Schedule O and provide explanations in Schedule O for Part VI, lines 11b and 19? Note. All Form 990 filers are required to complete Schedule O. ............

Form 990 (2015)

Page 5

Part V

Statements Regarding Other IRS Filings and Tax Compliance
Check if Schedule O contains a response or note to any line in this Part V...........

Yes

Enter the number reported in Box 3 of Form 1096 Enter -0- if not applicable ..

Enter the number of Forms W-2G included in line 1a. Enter -0- if not applicable .

Did the organization comply with backup withholding rules for reportable payments to vendors and reportable gaming (gambling) winnings to prize winners? ..................

Enter the number of employees reported on Form W-3, Transmittal of Wage and
Tax Statements, filed for the calendar year ending with or within the year covered by this return ..................

If at least one is reported on line 2a, did the organization file all required federal employment tax returns?
Note. If the sum of lines 1a and 2a is greater than 250, you may be required to e-file (see instructions)

Did the organization have unrelated business gross income of $1,000 or more during the year?...

If “Yes,” has it filed a Form 990-T for this year? If “No” to line 3b, provide an explanation in Schedule O...

At any time during the calendar year, did the organization have an interest in, or a signature or other authority over, a financial account in a foreign country (such as a bank account, securities account, or other financial account)? ..

If "Yes," enter the name of the foreign country: MediumBullet

See instructions for filing requirements for FinCEN Form 114, Report of Foreign Bank and Financial Accounts (FBAR).

Was the organization a party to a prohibited tax shelter transaction at any time during the tax year? ..

Did any taxable party notify the organization that it was or is a party to a prohibited tax shelter transaction?

If "Yes," to line 5a or 5b, did the organization file Form 8886-T? ............

Does the organization have annual gross receipts that are normally greater than $100,000, and did the organization solicit any contributions that were not tax deductible as charitable contributions? ...

If "Yes," did the organization include with every solicitation an express statement that such contributions or gifts were not tax deductible? ......................

Organizations that may receive deductible contributions under section 170(c).

Did the organization receive a payment in excess of $75 made partly as a contribution and partly for goods and services provided to the payor? ....................

If "Yes," did the organization notify the donor of the value of the goods or services provided? .....

Did the organization sell, exchange, or otherwise dispose of tangible personal property for which it was required to file Form 8282? .........................

If "Yes," indicate the number of Forms 8282 filed during the year ....

Did the organization receive any funds, directly or indirectly, to pay premiums on a personal benefit contract?

Did the organization, during the year, pay premiums, directly or indirectly, on a personal benefit contract? ..

If the organization received a contribution of qualified intellectual property, did the organization file Form 8899 as required? ......................

If the organization received a contribution of cars, boats, airplanes, or other vehicles, did the organization file a Form 1098-C? ..........................

Sponsoring organizations maintaining donor advised funds.
Did a donor advised fund maintained by the sponsoring organization have excess business holdings at any time during the year? .........................

Did the sponsoring organization make any taxable distributions under section 4966?...

Did the sponsoring organization make a distribution to a donor, donor advisor, or related person?...

Section 501(c)(7) organizations. Enter:

Initiation fees and capital contributions included on Part VIII, line 12 ...

10a

Gross receipts, included on Form 990, Part VIII, line 12, for public use of club facilities

10b

Section 501(c)(12) organizations. Enter:

Gross income from members or shareholders .........

11a

Gross income from other sources (Do not net amounts due or paid to other sources against amounts due or received from them.) ..........

11b

12a

Section 4947(a)(1) non-exempt charitable trusts. Is the organization filing Form 990 in lieu of Form 1041?

12a

If "Yes," enter the amount of tax-exempt interest received or accrued during the year.

12b

Section 501(c)(29) qualified nonprofit health insurance issuers.

Is the organization licensed to issue qualified health plans in more than one state?
Note. See the instructions for additional information the organization must report on Schedule O.

13a

Enter the amount of reserves the organization is required to maintain by the states in which the organization is licensed to issue qualified health plans ....

13b

Enter the amount of reserves on hand ............

13c

14a

Did the organization receive any payments for indoor tanning services during the tax year?.....

14a

If "Yes," has it filed a Form 720 to report these payments? If "No," provide an explanation in Schedule O..

14b

Form 990 (2015)

Page 6

Part VI

Governance, Management, and Disclosure For each "Yes" response to lines 2 through 7b below, and for a "No" response to lines 8a, 8b, or 10b below, describe the circumstances, processes, or changes in Schedule O. See instructions.

Check if Schedule O contains a response or note to any line in this Part VI ..............

Section A. Governing Body and Management

Yes

Enter the number of voting members of the governing body at the end of the tax year

If there are material differences in voting rights among members of the governing body, or if the governing body delegated broad authority to an executive committee or similar committee, explain in Schedule O.

Enter the number of voting members included in line 1a, above, who are independent

Did any officer, director, trustee, or key employee have a family relationship or a business relationship with any other officer, director, trustee, or key employee? .................

Did the organization delegate control over management duties customarily performed by or under the direct supervision of officers, directors or trustees, or key employees to a management company or other person? .

Did the organization make any significant changes to its governing documents since the prior Form 990 was filed? ...........................

Did the organization become aware during the year of a significant diversion of the organization’s assets? .

Did the organization have members or stockholders? ................

Did the organization have members, stockholders, or other persons who had the power to elect or appoint one or more members of the governing body? ....................

Yes

Are any governance decisions of the organization reserved to (or subject to approval by) members, stockholders, or persons other than the governing body? ...................

Did the organization contemporaneously document the meetings held or written actions undertaken during the year by the following:

The governing body? .......................

Yes

Each committee with authority to act on behalf of the governing body? ............

Yes

Is there any officer, director, trustee, or key employee listed in Part VII, Section A, who cannot be reached at the organization’s mailing address? If "Yes," provide the names and addresses in Schedule O.......

Yes

Section B. Policies (This Section B requests information about policies not required by the Internal Revenue Code.)

Yes

10a

Did the organization have local chapters, branches, or affiliates? ............

10a

If "Yes," did the organization have written policies and procedures governing the activities of such chapters, affiliates, and branches to ensure their operations are consistent with the organization's exempt purposes?

10b

11a

Has the organization provided a complete copy of this Form 990 to all members of its governing body before filing the form? ............................

11a

Describe in Schedule O the process, if any, used by the organization to review this Form 990. .....

12a

Did the organization have a written conflict of interest policy? If "No," go to line 13.......

12a

Were officers, directors, or trustees, and key employees required to disclose annually interests that could give rise to conflicts? ..........................

12b

Did the organization regularly and consistently monitor and enforce compliance with the policy? If "Yes," describe in Schedule O how this was done...................

12c

Did the organization have a written whistleblower policy? ...............

Did the organization have a written document retention and destruction policy? .........

Did the process for determining compensation of the following persons include a review and approval by independent persons, comparability data, and contemporaneous substantiation of the deliberation and decision?

The organization’s CEO, Executive Director, or top management official ...........

15a

Other officers or key employees of the organization ................

15b

If "Yes" to line 15a or 15b, describe the process in Schedule O (see instructions).

16a

Did the organization invest in, contribute assets to, or participate in a joint venture or similar arrangement with a taxable entity during the year? ......................

16a

If "Yes," did the organization follow a written policy or procedure requiring the organization to evaluate its participation in joint venture arrangements under applicable federal tax law, and take steps to safeguard the organization’s exempt status with respect to such arrangements? ............

16b

Section C. Disclosure

List the States with which a copy of this Form 990 is required to be filed MediumBullet

Section 6104 requires an organization to make its Form 1023 (or 1024 if applicable), 990, and 990-T (501(c)(3)s only) available for public inspection. Indicate how you made these available. Check all that apply.

Own website Another's website Upon request Other (explain in Schedule O)

Describe in Schedule O whether (and if so, how) the organization made its governing documents, conflict of interest policy, and financial statements available to the public during the tax year.

State the name, address, and telephone number of the person who possesses the organization's books and records:
MediumBullet

DR ROLANDO BRAVOENG D113-MAIL CODE 66031230 LINCOLN DRIVECARBONDALE,IL62901 (618) 453-7809

Form 990 (2015)

Page 7

Part VII

Compensation of Officers, Directors,Trustees, Key Employees, Highest Compensated Employees, and Independent Contractors

Check if Schedule O contains a response or note to any line in this Part VII ..............

Section A. Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees

1a Complete this table for all persons required to be listed. Report compensation for the calendar year ending with or within the organization’s tax year.
RoundBullet

List all of the organization’s current officers, directors, trustees (whether individuals or organizations), regardless of amount
of compensation. Enter -0- in columns (D), (E), and (F) if no compensation was paid.

List all of the organization’s current key employees, if any. See instructions for definition of "key employee."

List the organization’s five current highest compensated employees (other than an officer, director, trustee or key employee)
who received reportable compensation (Box 5 of Form W-2 and/or Box 7 of Form 1099-MISC) of more than $100,000 from the
organization and any related organizations.

List all of the organization’s former officers, key employees, or highest compensated employees who received more than $100,000
of reportable compensation from the organization and any related organizations.

List all of the organization’s former directors or trustees that received, in the capacity as a former director or trustee of the
organization, more than $10,000 of reportable compensation from the organization and any related organizations.

List persons in the following order: individual trustees or directors; institutional trustees; officers; key employees; highest
compensated employees; and former such persons.

Check this box if neither the organization nor any related organization compensated any current officer, director, or trustee.

(A) Name and Title	(B) Average hours per week (list any hours for related organizations below dotted line)		(D) Reportable compensation from the organization (W- 2/1099-MISC)	(E) Reportable compensation from related organizations (W- 2/1099-MISC)	(F) Estimated amount of other compensation from the organization and related organizations
(A) Name and Title
(1) DR STEPHAN J NIX...................................................................... PAST PRESIDE	.................	X	0	0	0
(2) T ALLEN J GOOKIN...................................................................... TREASURER	.................	X	0	0	0
(3) DR JOHN L NIEBER...................................................................... VP FOR ACAD	.................	X	0	0	0
(4) ED A BAQUERIZO...................................................................... VP FOR INT'L	.................	X	0	0	0
(5) DR MUSTAFA M ARAL...................................................................... PRESIDENT	.................	X	0	0	0
(6) THOMAS P SURO...................................................................... SECRETARY	.................	X	0	0	0
(7) DR DAVID T WILLIAMS...................................................................... BOARD OF REG	.................	X	0	0	0
(8) G NICHOLAS TEXTOR...................................................................... BOARD OF REG	.................	X	0	0	0
(9) JOHN W BALAY...................................................................... VP FOR INST	.................	X	0	0	0
(10) KURT HOLLMAN...................................................................... VP FOR COMMU	.................	X	0	0	0
(11) RAO S GOVINDARAJU...................................................................... PRESIDENT EL	.................	X	0	0	0

Form 990 (2015)

Page 8

Part VII

Section A. Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees (continued)

(A) Name and Title	(B) Average hours per week (list any hours for related organizations below dotted line)	(C) Position (do not check more than one box, unless person is both an officer and a director/trustee)						(D) Reportable compensation from the organization (W- 2/1099-MISC)	(E) Reportable compensation from related organizations (W- 2/1099-MISC)	(F) Estimated amount of other compensation from the organization and related organizations
(A) Name and Title

1b	Sub-Total................
c	Total from continuation sheets to Part VII, Section A....
d	Total (add lines 1b and 1c)...........

Total number of individuals (including but not limited to those listed above) who received more than $100,000 of reportable compensation from the organization MediumBullet

Yes

Did the organization list any former officer, director or trustee, key employee, or highest compensated employee on line 1a? If "Yes," complete Schedule J for such individual ..............

For any individual listed on line 1a, is the sum of reportable compensation and other compensation from the organization and related organizations greater than $150,000? If "Yes," complete Schedule J for such
individual...........................

Did any person listed on line 1a receive or accrue compensation from any unrelated organization or individual for services rendered to the organization? If "Yes," complete Schedule J for such person ........

Section B. Independent Contractors

Complete this table for your five highest compensated independent contractors that received more than $100,000 of compensation from the organization. Report compensation for the calendar year ending with or within the organization’s tax year.

(A) Name and business address	(B) Description of services	(C) Compensation





2 Total number of independent contractors (including but not limited to those listed above) who received more than $100,000 of compensation from the organization

Form 990 (2015)

Page 9

Part VIII

Statement of Revenue

Check if Schedule O contains a response or note to any line in this Part VIII .............

(A)
Total revenue

(B)
Related or
exempt
function
revenue

(D)
Revenue
excluded from
tax under sections
512-514

1a	Federated campaigns..		1a
b	Membership dues..		1b
c	Fundraising events..		1c
d	Related organizations		1d
e	Government grants (contributions)		1e

f	All other contributions, gifts, grants, and similar amounts not included above		1f	760

g	Noncash contributions included in lines 1a-1f:$
h Total.Add lines 1a-1f.......		760

		Business Code
2a	MEMBERSHIP DUES		89,452	89,452
b	APPLICATION FEES		1,650	1,650
c	EXAMINATION FEES		1,460	1,460
d	MISCELLANEOUS INCOME		440	440
e	RECERTIFICATION		280	280
f	All other program service revenue.
g Total.Add lines 2a–2f.....			93,282

3 Investment income (including dividends, interest, and othersimilar amounts) ..........
4 Income from investment of tax-exempt bond proceeds
5 Royalties...........
		(ii) Personal	(i) Real
6a	Gross rents
b	Less: rental expenses
c	Rental income or (loss)
d	Net rental income or (loss)......
		(ii) Other	(i) Securities
7a	Gross amount from sales of assets other than inventory
b	Less: cost or other basis and sales expenses
c	Gain or (loss)
d	Net gain or (loss).....
8a	Gross income from fundraising events (not including $ of contributions reported on line 1c). See Part IV, line 18 ....
	a
b	Less: direct expenses ...b
c	Net income or (loss) from fundraising events..
9a	Gross income from gaming activities. See Part IV, line 19 ...
	a
b	Less: direct expenses ...b
c	Net income or (loss) from gaming activities..
10a	Gross sales of inventory, less returns and allowances ..
	a
b	Less: cost of goods sold ..b
c	Net income or (loss) from sales of inventory..
Business Code			Miscellaneous Revenue
11a
b
c
d	All other revenue ....
e	Total. Add lines 11a–11d ......
12	Total revenue. See Instructions......			94,042	93,282

Form 990 (2015)

Page 10

Part IX

Statement of Functional Expenses

Section 501(c)(3) and 501(c)(4) organizations must complete all columns. All other organizations must complete column (A).Check if Schedule O contains a response or note to any line in this Part IX ..............

Do not include amounts reported on lines 6b, 7b, 8b, 9b, and 10b of Part VIII.		(A) Total expenses	(B) Program service expenses	(C) Management and general expenses	(D) Fundraising expenses

1	Grants and other assistance to domestic organizations and domestic governments. See Part IV, line 21
2	Grants and other assistance to individuals in the United States. See Part IV, line 22
3	Grants and other assistance to governments, organizations, and individuals outside the United States. See Part IV, lines 15 and 16
4	Benefits paid to or for members
5	Compensation of current officers, directors, trustees, and key employees ....
6	Compensation not included above, to disqualified persons (as defined under section 4958(f)(1)) and persons described in section 4958(c)(3)(B) ....
7	Other salaries and wages
8	Pension plan accruals and contributions (include section 401(k) and 403(b) employer contributions) ....
9	Other employee benefits .......
10	Payroll taxes ...........
11	Fees for services (non-employees):
a	Management ......	62,971	56,674	6,297
b	Legal .........
c	Accounting ...........	550		550
d	Lobbying ...........
e	Professional fundraising services. See Part IV, line 17
f	Investment management fees ......
g	Other (If line 11g amount exceeds 10% of line 25, column (A) amount, list line 11g expenses on Schedule O)
12	Advertising and promotion ....	682	682
13	Office expenses .......	300	300
14	Information technology ......	200	200
15	Royalties ..
16	Occupancy ...........
17	Travel ............	1,613		1,613
18	Payments of travel or entertainment expenses for any federal, state, or local public officials .
19	Conferences, conventions, and meetings ....
20	Interest ...........
21	Payments to affiliates .......
22	Depreciation, depletion, and amortization ..
23	Insurance ...	1,503		1,503
24	Other expenses. Itemize expenses not covered above (List miscellaneous expenses in line 24e. If line 24e amount exceeds 10% of line 25, column (A) amount, list line 24e expenses on Schedule O.)
a	CARD/MERCHANT FEE	2,643		2,643
b	MISCELLANEOUS	518		518
c	SUPPLIES	512	512
d	DUES	400	400
e	All other expenses
25	Total functional expenses. Add lines 1 through 24e	71,892	58,768	13,124	0
26	Joint costs. Complete this line only if the organization reported in column (B) joint costs from a combined educational campaign and fundraising solicitation. Check here if following SOP 98-2 (ASC 958-720).

Form 990 (2015)

Page 11

Part X

Balance Sheet

Check if Schedule O contains a response or note to any line in this Part IX ..............

				(A) Beginning of year		(B) End of year

1	Cash–non-interest-bearing ........		100,967	1	123,117
2	Savings and temporary cash investments .........			2
3	Pledges and grants receivable, net ......			3
4	Accounts receivable, net .............			4
5	Loans and other receivables from current and former officers, directors, trustees, key employees, and highest compensated employees. Complete Part II of Schedule L
				5
6	Loans and other receivables from other disqualified persons (as defined under section 4958(f)(1)), persons described in section 4958(c)(3)(B), and contributing employers and sponsoring organizations of section 501(c)(9) voluntary employees' beneficiary organizations (see instructions) Complete Part II of Schedule L
				6
7	Notes and loans receivable, net ....			7
8	Inventories for sale or use ........			8
9	Prepaid expenses and deferred charges ......			9
10a	Land, buildings, and equipment: cost or other basis. Complete Part VI of Schedule D	10a
b	Less: accumulated depreciation	10b		10c
11	Investments—publicly traded securities .			11
12	Investments—other securities. See Part IV, line 11 .....			12
13	Investments—program-related. See Part IV, line 11 ..			13
14	Intangible assets ...............			14
15	Other assets. See Part IV, line 11 ...........			15
16	Total assets. Add lines 1 through 15 (must equal line 34)...		100,967	16	123,117

17	Accounts payable and accrued expenses .....		17
18	Grants payable ...		18
19	Deferred revenue .........		19
20	Tax-exempt bond liabilities .........		20
21	Escrow or custodial account liability. Complete Part IV of Schedule D		21
22	Loans and other payables to current and former officers, directors, trustees, key employees, highest compensated employees, and disqualified
	persons. Complete Part II of Schedule L..		22
23	Secured mortgages and notes payable to unrelated third parties ..		23
24	Unsecured notes and loans payable to unrelated third parties ..		24
25	Other liabilities (including federal income tax, payables to related third parties, and other liabilities not included on lines 17-24). Complete Part X of Schedule D		25
26	Total liabilities. Add lines 17 through 25..	0	26	0

	Organizations that follow SFAS 117 (ASC 958), check here and complete lines 27 through 29, and lines 33 and 34.
27	Unrestricted net assets		27
28	Temporarily restricted net assets ...........		28
29	Permanently restricted net assets		29
	Organizations that do not follow SFAS 117 (ASC 958), check here and complete lines 30 through 34.
30	Capital stock or trust principal, or current funds .....		30
31	Paid-in or capital surplus, or land, building or equipment fund ...		31
32	Retained earnings, endowment, accumulated income, or other funds	100,967	32	123,117
33	Total net assets or fund balances ...........	100,967	33	123,117
34	Total liabilities and net assets/fund balances ........	100,967	34	123,117

Form 990 (2015)

Page 12

Part XI

Reconcilliation of Net Assets

Check if Schedule O contains a response or note to any line in this Part XI ..............

Total revenue (must equal Part VIII, column (A), line 12) ............

94,042

Total expenses (must equal Part IX, column (A), line 25) ............

71,892

Revenue less expenses. Subtract line 2 from line 1 ..............

22,150

Net assets or fund balances at beginning of year (must equal Part X, line 33, column (A)) ..

100,967

Net unrealized gains (losses) on investments ...............

Donated services and use of facilities .................

Investment expenses .....................

Prior period adjustments .....................

Other changes in net assets or fund balances (explain in Schedule O) ........

Net assets or fund balances at end of year. Combine lines 3 through 9 (must equal Part X, line 33, column (B))

123,117

Part XII

Financial Statements and Reporting

Check if Schedule O contains a response or note to any line in this Part XII .............

Yes

Accounting method used to prepare the Form 990: Cash Accrual Other
If the organization changed its method of accounting from a prior year or checked "Other," explain in
Schedule O.

Were the organization’s financial statements compiled or reviewed by an independent accountant?

If ‘Yes,’ check a box below to indicate whether the financial statements for the year were compiled or reviewed on a separate basis, consolidated basis, or both:

Separate basis Consolidated basis Both consolidated and separate basis

Were the organization’s financial statements audited by an independent accountant?

If ‘Yes,’ check a box below to indicate whether the financial statements for the year were audited on a separate basis, consolidated basis, or both:

Separate basis Consolidated basis Both consolidated and separate basis

If "Yes," to line 2a or 2b, does the organization have a committee that assumes responsibility for oversight of the audit, review, or compilation of its financial statements and selection of an independent accountant?

If the organization changed either its oversight process or selection process during the tax year, explain in Schedule O.

As a result of a federal award, was the organization required to undergo an audit or audits as set forth in the Single Audit Act and OMB Circular A-133?

If "Yes," did the organization undergo the required audit or audits? If the organization did not undergo the required audit or audits, explain why in Schedule O and describe any steps taken to undergo such audits.

Form 990 (2015)

Additional Data

Software ID:
Software Version:

Form 990, Special Condition Description:

Special Condition Description

- TIN:

SCHEDULE O
(Form 990 or 990-EZ)

Department of the Treasury
Internal Revenue Service

Supplemental Information to Form 990 or 990-EZ

Complete to provide information for responses to specific questions on
Form 990 or 990-EZ or to provide any additional information.
MediumBullet

Attach to Form 990 or 990-EZ.
MediumBullet

Information about Schedule O (Form 990 or 990-EZ) and its instructions is at
www.irs.gov/form990.

OMB No. 1545-0047

2015

Open to Public
Inspection

Name of the organization

AMERICAN INSTITUTE OF HYDROLOGY

Employer identification number

41-1489784

Return Reference	Explanation
FORM 990, PAGE 6, PART VI, LINE 7A	BOARD MEMBERS ARE ELECTED BY ALL OF THE VOTING MEMBERSHIP.
FORM 990, PAGE 6, PART VI, LINE 9	DR STEPHAN J NIX TEXAS A & M UNIVERSITY, KINGSVILLE KINGSVILLE, TX 78363 T ALLEN J GOOKIN GOOKIN HYDROLOGY SCOTTSDALE, AZ 85258-5037 DR JOHN L NIEBER UNIVERSITY OF MINNESOTA ST PAUL, MN 55108 ED A. BAQUERIZO FOLSON, CA 95630 DR MUSTAFA M. ARAL GEORGIA INSTITUTE OF TECHNOLOGY ATLANTA, GA 30332-0355 THOMAS P. SURO U.S. GEOLOGICAL SURVEY TROY, NY 12180 DR. DAVID T. WILLIAMS DTW & ASSOCIATES, LLC FORT COLLINS, CO 80525 G. NICHOLAS TEXTOR BASTROP, TX 78602-7447 JOHN W. BALAY SUSQUEHANNA RIVER BASIN COMMISSION HARRISBURG, PA 17102 KURT HOLLMAN MO DNR/WATER RESOURCES CENTER ROLLA, MO 65401 RAO S. GOVINDARAJU PURDUE UNIVERSITY WEST LAFAYETTE, IN 47907-2051
FORM 990, PAGE 6, PART VI, LINE 11B	NO REVIEW WAS OR WILL BE CONDUCTED.
FORM 990, PAGE 6, PART VI, LINE 19	NO DOCUMENTS AVAILABLE TO THE PUBLIC

For Paperwork Reduction Act Notice, see the Instructions for Form 990 or 990-EZ.

Cat. No. 51056K

Schedule O (Form 990 or 990-EZ) 2015

Additional Data

Software ID:
Software Version: