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National Hydrologic Warning Councilinc

EIN 20-5867107 · Denver, CO

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthStrong90 out of 100GovernanceNot ratedThe short tax form does not cover thisImpact evidenceDescribes programsHow well its results are evidenced

What it says it does

THE NATIONAL HYDROLOGIC WARNING COUNCIL (NHWC), WITH MEMBERSHIP ACROSS THE UNITED STATES AND AROUND THE WORLD, IS A NON-PROFIT ORGANIZATION DEDICATED TO ASSISTING EMERGENCY AND ENVIRONMENTAL MANAGEMENT OFFICIALS BY PROVIDING EXPERT ADVICE ON THE USE OF REAL-TIME, HIGH QUALITY HYDROLOGIC INFORMATION FROM AUTOMATED REMOTE DATA SYSTEMS, WITH THE GOALS OF PROTECTING LIVES, PROPERTY, AND THE ENVIRONMENT.

Income
$183,434
Spending
$154,729
Reserves
9.3 months of spending
Largest source of income
fees for its services, 90%

Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Strong: 90 out of 100. Higher than 63% of charities in its peer group (public safety and disaster relief, under $250k).

  • Reserves

    28 of 35

    Spendable reserves would cover 9.3 months of spending.

  • Debt

    20 of 20

    It owes 0% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 16% of income.

Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

This organization files the short tax form, which does not ask about boards, policies or audits. That is normal for a small charity and is not a mark against it.

Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (2)
  1. $122,926 spent. NATIONAL CONFERENCE - NHWC CONFERENCES ARE HELD ON A BIENNIAL BASIS (EVERY TWO YEARS), ALTERNATING WITH THE ALERT USER'S GROUP (AUG) CONFERENCE. THEY ARE LOOSELY ON A EAST - CENTRAL - WEST ROTATION. THE NHWC HOSTS THIS CONFERENCE TO ASSIST LOCAL WATER RESOURCE MANAGERS AND EMERGENCY MANAGEMENT OFFICIALS IN THE COLLECTION, EVALUATION, AND DISSEMINATION OF REAL-TIME HYDROLOGIC DATA TO PROTECT LIVES AND PROPERTY.
  2. $24,390 spent. TEXAS WORKSHOP - THIS ANNUAL 2-DAY INTERACTIVE WORKSHOP WILL FOCUS ON RECENT FLOODING IN THE STATE OF TEXAS, RECOVERY EFFORTS, AND NEW INITIATIVES SINCE HURRICANE HARVEY, AS WELL AS FLOOD WARNING SYSTEM PERFORMANCE AND MAINTENANCE, PUBLIC COMMUNICATION DURING DISASTERS, DAM SAFETY, RESERVOIR OPERATIONS, AND FLOOD FORECASTING. OTHER TOPICS INCLUDE NOAA ATLAS 14 AND ALERT2 IMPROVEMENTS AND UPDATES.

Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Worth knowing.

    Status was revoked on May 15, 2010 for not filing returns for three years, and reinstated on May 15, 2010.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated November 6, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since September 2014.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated November 4, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.