Form 990 for tax year 2024

Totals

Total revenue

$431,484

Total expenses

$421,429

Contributions and grants received

$431,469

Grants paid

$2,200

Program service revenue

$0

Investment income

$15

Other revenue

$0

Total assets, end of year

$151,730

Total liabilities, end of year

$119,962

Net assets or fund balances, end of year

$31,768

Program services expenses (Part IX)

$404,500

Management and general expenses

$13,929

Fundraising expenses

$3,000

Program service expenses (Part III)

$404,500

Program services were 96.0% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.

Line items

Every line the filer filed in Parts VIII, IX and X, as filed and in filed order. Blank columns are left out, and the lines are not forced to add up to the totals above.

Mission and programs · 2024

• GUNPOWDER RIVERKEEPER STAFF WORKED ON ADVOCACY AND OUTREACH WITH COMMUNITY GROUPS ALONG THE LOWER GUNPOWDER TO DISCUSS THE SOURCES OF SEDIMENT IN THE TIDAL GUNPOWDER AND ITS TRIBUTARIES. NAMELY; BOTH FOSTER AND TAYLOR BRANCH ARE EXPERIENCING SEDIMENT AND BACTERIA POLLUTION FROM IMPROPERLY REGULATED UPSTREAM SOURCES. GUNPOWDER RIVERKEEPER UNDERTOOK SIGNIFICANT LEGAL RESEARCH TO ADVOCATE FOR SOLUTIONS TO NONCOMPLIANT UPSTREAM CONSTRUCTION ACTIVITIES. IF POLLUTION IS DIMINISHED, RECREATIONAL, ECONOMIC AND AESTHETIC VALUE OF THIS SECTION OF THE LOWER GUNPOWDER RIVER COULD BE RESTORED. WE ARE STILL IN LITIGATION AS AN INTERVENOR IN THE STATE COMPLAINT AGAINST RIDGELEYS RESERVE THAT WAS PROMPTED BY OUR NOTICE OF INTENT TO SUE FILED UNDER THE CLEAN WATER ACT IN ORDER TO PROTECT AND RESTORE THE TIDAL GUNPOWDER AND FOSTER BRANCH FROM ALLEGED SEDIMENT POLLUTION FROM THE SITE. THIS PROJECT IS ONGOING. 35% OF TOTAL PROJECTS.

  Expenses $141,575 · Grants $52,728

• WATER QUALITY MONITORING IN THE GUNPOWDER RIVER. E. COLI SAMPLES WERE COLLECTED TO INFORM THE PUBLIC WHERE IT WAS SAFE TO SWIM IN BALTIMORE AND HARFORD COUNTIES THROUGH SWIM GUIDES AND SOCIAL MEDIA OUTLETS BASED ON EPA SAFE SWIMMING CRITERIA. AS PART OF THE CHESAPEAKE WATER WATCH PROGRAM, WE MONITORED WATER QUALITY DOWNSTREAM IN THE TIDAL GUNPOWDER: TURBIDITY, INVIVO CHLOROPHYLL A, AND COLORED DISSOLVED ORGANIC MATTER LEVELS WERE MEASURED TO ASSIST SMITHSONIAN ENVIRONMENTAL RESEARCH CENTER (SERC) IN GROUND-TRUTHING NASA SATELLITE ALGORITHMS. A YSI WAS USED TO CAPTURE WATER QUALITY INDICATORS SUCH AS DISSOLVED OXYGEN, TEMPERATURE, TURBIDITY, PH, AND CONDUCTIVITY. THIS PROJECT IS ONGOING. 20% OF TOTAL PROJECTS.

  Expenses $80,900 · Grants $30,130

• DAYS COVE RUBBLE LANDFILL DISCHARGE PERMIT: WE UNDERTOOK RESEARCH ON THE RENEWAL OF AN ADMINISTRATIVELY CONTINUED DISCHARGE PERMIT THAT EXPIRED IN 2018 THAT WOULD, IF APPROVED ALLOW AN ADDITIONAL 12,500 GALLONS PER DAY OF TREATED LEACHATE TO ENTER THE BIRD AND GUNPOWDER RIVER BASIN. AFTER IDENTIFYING VIOLATIONS OF THE DISCHARGE PERMIT FOR ALPHA-TERPINOL, TRIVALENT ARSENIC, BIOLOGICAL OXYGEN DEMAND, COPPER, NITROGEN, ZINC AND PH WE ENGAGED WITH MDE TO ASK FOR STRONGER PERMIT CONDITIONS. THIS PROJECT IS ONGOING. 15% OF TOTAL PROJECTS.

  Expenses $60,675 · Grants $22,597

• INDUSTRIAL DISCHARGES: THE LOWER GUNPOWDER AND BUSH RIVER ARE BEING IMPACTED BY INDUSTRIAL FACILITIES THAT ARE NONCOMPLIANT WITH STORMWATER DISCHARGE PERMITS. IN THE GUNPOWDER AND BUSH RIVERS THERE ARE 119 FACILITIES UNDER THE STORMWATER PERMIT COVERAGE THAT HAS A 25% COMPLIANCE RATE STATEWIDE. RIVERKEEPER APPEALED THE ISSUANCE OF THE NEW STORMWATER PERMIT AND WON A PARTIAL REMAND BECAUSE THE DRAFT PERMIT DID NOT ACCOUNT FOR CLIMATE CHANGE, RAINFALL DATA, AND NO EXPOSURE CERTIFICATION REGULATED BY NATIONAL POLLUTION ELIMINATION DISCHARGE (NPDES). INDUSTRIAL DISCHARGE PERMITS IDENTIFY THE PERMIT CONDITIONS AND ASSESS COMPLIANCE OF THESE CONDITIONS AND THEIR IMPACTS TO LOCAL AND DOWNSTREAM WATER QUALITY IN UNDERSERVED COMMUNITIES. THIS PROJECT IS ONGOING. 10% OF TOTAL PROJECTS.

  Expenses $40,450 · Grants $15,065

• MARYLAND PIEDMONT RELIABILITY PROJECT: WE HAVE BEEN GRANTED INTERVENOR STATUS BY THE MARYLAND PUBLIC SERVICE COMMISSION IN THE PSEG APPLICATION FOR PUBLIC NEED AND NECESSITY TO ALLOW FOR EMINENT DOMAIN PROCEEDINGS FOR THE MARYLAND PIEDMONT RELIABILITY PROJECT. GUNPOWDER RIVERKEEPER IS CONCERNED ABOUT THE 70 MILE LONG, 500,000 VOLT INTERSTATE TRANSMISSION LINE POTENTIAL FOR ENVIRONMENTAL IMPACTS TO PRESERVED LANDS, CONSERVATION EASEMENTS, PRIME AGRICULTURAL LANDS, FORESTS, WETLANDS, COLD, DRINKING WATER SUPPLY STREAMS AND SENSITIVE SPECIES LIKE TROUT AND ENDANGERED SPECIES LIKE BOG TURTLES. THIS PROJECT IS ONGOING. 10% OF TOTAL PROJECTS.

  Expenses $40,450 · Grants $15,065

• GUNPOWDER RIVERKEEPER STAFF AND VOLUNTEERS MAINTAINED 10 WADER WASH STATIONS ACROSS 18 MILES OF THE COLDWATER SECTION OF THE RIVER TO CONTAIN DIDYMO ALGAE AND COORDINATED OUTREACH ON A NEW INVASIVE SPECIES-NEW ZEALAND MUDSNAILS IN THE UPPER RIVER. THIS WORK IS ONGOING. 5% OF TOTAL PROJECTS.

  Expenses $20,225 · Grants $7,532

• GUNPOWDER RIVERKEEPER STAFF AND VOLUNTEERS WORKED ON ADVOCACY AND OUTREACH THROUGH THE UPPER WATERSHED WITH COMMUNITY, OFFICE, SCHOOL GROUPS, AND SCOUT AND BROWNIE TROOPS ON FOREST TO FAUCET STREAMWALKS AND SERVICE PROJECTS ALONG THE RIVER AND AT SPARKS NATURE CENTER TO DISCUSS THE SOURCES OF CITY DRINKING WATER AND THE IMPORTANCE OF PROTECTED PARK AND RESERVOIR LANDS WILD TROUT AND COLDWATER HABITAT. THE WORK IS ONGOING 5% OF TOTAL PROJECTS.

  Expenses $20,225 · Grants $7,533

As filed on the 2024 return.

Listed in Part VII

Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those.

Grants on this return

No itemized grants to organizations on this return.

Provenance

Return type

form_990

Tax year

2024

Filed

15 November 2025

IRS schema version

2024v5.2

Source object

202513219349326046

Check it against the return as filed: the GivingTuesday Data Lake hosts a public copy of the original XML.

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