To stop pollution and to restore clean water in the Potomac and shenandoah rivers and their tributaries through enforcement and community engagement.

501(c)(3) charity; gifts are tax-deductible.
81¢ of each $1 spent went to programs.
Run by 900 volunteers and 12 employees.
Mission: Form 990 Part I, line 1 · Status: IRS Pub. 78 · Programs: Part IX · People: Part I, lines 5–6

Before you give

FY2024 · Form 990Independent: from IRS data, not the org
Download 990
IRS status
501(c)(3)
not on the IRS revocation list
Looks good: listed by the IRS and not on the revocation list.
IRS BMF · Auto-Revocation List
Tax-deductible gifts
Yes
Donations are tax-deductible
Looks good: the IRS lists gifts to it as deductible.
IRS Pub. 78 · IRS BMF
Latest return
FY2024
latest Form 990
Looks good: the latest return is for FY2024, 2 tax years back; within 2 tax years.
IRS e-file · Filing history
Surplus or deficit
3 of 5
filings with a surplus
Average surplus $271K a year · 13% of revenue · last 5 filings
Worth a look: a surplus in 3 of the last 5 filings.
Pt I · Ln 19 · 5 filings
Spent on programs
81%
of spending
Looks good: 81% of spending went to programs; 75% or more.
Pt IX · Ln 25 · col B
Pay to officers and key staff
$584K
to officers and key staff · 26% of spending
Worth a look: pay to officers and key staff is 26% of spending; over 20%.
Pt VII · Sec A
7 mo
of spending, in cash
Looks good: 7.0 months of spending in cash; 3 or more.
Pt X · Ln 1–2 · Pt I · Ln 18
Named funders
1
named funder · $18K
Fine: 1 funder names it on their filings; under 3.
Funders’ Sch. I, 990-PF
Liabilities
$103K
4% of total assets
Looks good: liabilities are 4% of assets; 50% or less.
Pt X · Ln 26
Independent board members
18
of 18 voting members
Looks good: 18 of 18 voting members are independent, a majority.
Pt VI · Ln 1a–1b
Looks goodFineWorth a lookConcernNo data yetTap a box for the reason.
Revenue
$2.6M
+66% vs prior year
Spent
$2.2M
To programs
81%
Net assets
$2.2M
By yearFY2020–FY2024
Revenue
$2.6M
FY2024▲ +66%
Tap a bar for its year
Revenue by fiscal year
FY2020$1.6M
FY2021$2.9M
FY2022$1.7M
FY2023$1.6M
FY2024$2.6M
Expenses
$2.2M
FY2024▲ +11%
Tap a bar for its year
Expenses by fiscal year
FY2020$1.4M
FY2021$1.5M
FY2022$1.9M
FY2023$2.0M
FY2024$2.2M
Net assets
$2.2M
FY2024▲ +23%
Tap a bar for its year
Net assets by fiscal year
FY2020$1.0M
FY2021$2.3M
FY2022$2.2M
FY2023$1.8M
FY2024$2.2M

From the FY2024 Form 990 · figures checked against the IRS filing · see the original

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Is it real?

Yes. Never revoked by the IRS. Latest filing on record: FY2024. IRS ruling in May 2000.

IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File

Where the money goes

81 cents of each dollar spent went to programs.

Program services 81% · $1.8M Management & general 12% · $271K Fundraising 7% · $149K

Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.

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Who runs it and what they're paid

22 people listed on the 990; $584K paid to officers and key staff.

Part VII, Section A · reportable compensation
President
$213,638Pt VII · Sec A
VP of Programs
$131,930Pt VII · Sec A
Development Director
$125,652Pt VII · Sec A
Lower Potomac Riverkeeper
$112,678Pt VII · Sec A
Director
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A
Director
$0Pt VII · Sec A

Nancy Stoner’s $214K as President is at the 87th percentile of top reported officer pay among 1851 $1–10M environment nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.

Compensation history total reportable pay by year · 5 named individuals · Part VII

NameFY2024FY2023FY2022FY2021FY2020
Nancy Stoner$213,638$207,013$193,100$188,741$179,349
Phillip Musegaas——$116,375$150,705$129,295
Emily Franc$125,652$135,274$127,617$127,617$115,542
Elizabeth Nicholas$131,930$124,502———
Dean Naujoks$112,678$108,645$101,537——

Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.

See Potomac Riverkeeper Network executive salaries →

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Questions the 990 asks

The form asks each of these directly. These are the filed answers.

  • Family or business ties among officersPt VI · Ln 2No
  • Top official's pay set by an independent reviewPt VI · Ln 15aNo

Programs and updates

Cleans and restores rivers and tributaries through enforcement and community action.

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Provided by the organization

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3 programs · $1.7M · in their own filed words · FY2024
01

Watershed Protection

We identify sources of pollution and analyze how to stop them. We regularly patrol the rivers we work to protect. We respond to tips and complaints. We review public records - like discharge monitoring reports and inspection reports to assess whether violations have occurred.

$1.4Mprogram expense
02

Shenandoah

We upgraded our monitoring equipment for toxic algal outbreaks so we dont have to rely on the state to determine when and where they occur. We filed multiple algae complaints with the Commonwealth to encourage the state to monitor for algal outbreaks.

$253Kprogram expense
03

Upper Potomac

We expanded our investigation and awareness campaign for PFAS (forever chemicals), including partnering with USGs on testing PFAS levels in fish tissue and blood and partnering with faculty at Frostburg State.

$112Kprogram expense

Funders

Who pays for it.

From grant filings on record. Receipts are incomplete: individual donors are never listed.

Grants

Schedule I · funders on record
Grants received · FY2025
Total grants receivedfrom 1 funder$18K

By the numbers

The FY2024 990, line by line.

1The main four
Money inPt VIII
$2.6M
Ln 12
Gifts and grantsLn 1h$2.4M
Other incomeLn 4–11$183K
Investment incomeLn 3$47K
Money outPt IX
$2.2M
Ln 25
Programscol B$1.8M
Managementcol C$271K
Fundraisingcol D$149K
Owns and owesPt X
$2.2M
net assets · Ln 32
Cash and savingsLn 1–2$1.3M
Total assetsLn 16$2.3M
LiabilitiesLn 26$103K
PeoplePt VI, VII
22
listed · VII A
PaidVII A4
Voting boardVI 1a18
IndependentVI 1b18
2In more detail
Revenue in detailPt VIII
Gifts and grantsLn 1h$2.4M
Government grantsLn 1e$16K
Noncash giftsLn 1g$101K
Fundraising eventsLn 1c$229K
Fees for servicesLn 2g$42K
Investment incomeLn 3$47K
Other incomeLn 4–11$183K
Total revenueLn 12$2.6M
Assets in detailPt X, end of year
CashLn 1$288K
SavingsLn 2$992K
Cash and savings togetherLn 1–2$1.3M
Land, buildings, equipmentLn 10c$136K
Other assetsLn 15$832K
Total assetsLn 16$2.3M
LiabilitiesLn 26$103K
Net assetsLn 32$2.2M
OperationsPt I, VI
EmployeesI 512
VolunteersI 6900
Fiscal year endsHeaderDecember
Conflict-of-interest policyVI 12aYes
Whistleblower policyVI 13Yes
Records policyVI 14Yes
3Year over year
Balance sheet, start vs end of yearPt X · col A, B
LineStart FY24End FY24
Cash and savingsLn 1–2$879K$1.3M
Land, buildings, equipmentLn 10c$64K$136K
Total assetsLn 16$1.9M$2.3M
LiabilitiesLn 26$143K$103K
Net assetsLn 32$1.8M$2.2M
4Every line
Statement of functional expensesPt IX · every line
LineTotalProgramsManagementFundraising
Pay of current officers, directors and key staffLn 5$346K$291K$38K$16K
Other salaries and wagesLn 7$774K$653K$86K$36K
Pension plan contributionsLn 8$25K$21K$3K$1K
Other employee benefitsLn 9$141K$119K$16K$7K
Payroll taxesLn 10$92K$78K$10K$4K
Legal feesLn 11b$157K$157K$635
Accounting feesLn 11c$62K$14K$48K
Other fees for servicesLn 11g$197K$156K$41K
Advertising and promotionLn 12$6K$1K$5K$196
Office expensesLn 13$92K$57K$14K$21K
OccupancyLn 16$125K$106K$14K$6K
TravelLn 17$43K$37K$6K$500
Conferences, conventions and meetingsLn 19$28K$18K$3K$7K
Depreciation, depletion and amortizationLn 22$37K$31K$4K$2K
InsuranceLn 23$31K$28K$3K
Other expenses (24a–d)Ln 24$52K$23K$22K$7K
Total functional expensesLn 25$2.2M$1.8M$271K$149K

Filing history

YearMoney inMoney outIn minus outNet assetsDownload
FY2024 Latest Viewing $2.6M$2.2M$415K$2.2M 990 PDF
FY2023 $1.6M$2.0M−$406K$1.8M 990 PDF
FY2022 $1.7M$1.9M−$160K$2.2M 990 PDF
FY2021 $2.9M$1.5M$1.3M$2.3M 990 PDF
FY2020 $1.6M$1.4M$200K$1.0M 990 PDF

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Schedules filed Part IV

III · Programs R · Related orgs G · Fundraising L · Interested persons I · Grants A · Public support M · Noncash J · Pay O · Explanations
See the full FY2024 990 (6 parts)
Part I · Summary $2,624,478 revenue, 12 lines filed
I-8 Contributions and grantsPrior year $1,389,867$2,351,906
I-9 Program service revenuePrior year $15,087$42,390
I-10 Investment incomePrior year $30,516$46,687
I-11 Other revenuePrior year $147,432$183,495
I-12 Total revenuePrior year $1,582,902$2,624,478
I-13 Grants and similar amounts paid$0
I-14 Benefits paid to members$0
I-15 Salaries and benefitsPrior year $1,250,515$1,378,573
I-16a Professional fundraising fees$0
I-17 Other expensesPrior year $738,807$830,724
I-18 Total expensesPrior year $1,989,322$2,209,297
I-19 Revenue less expensesPrior year −$406,420$415,181
Part VI · Governance 18 of 18 board members independent, 1 to look at
VI-1a Voting members of the governing body18
VI-1b Independent voting members18
VI-15a Process for setting top official's payNo
VI-2 Family or business relationship among officers or directorsNo
VI-12a Written conflict of interest policyYes
VI-13 Written whistleblower policyYes
VI-14 Document retention and destruction policyYes
Part VIII · Statement of revenue $2,624,478 across 10 lines filed
VIII-1c Fundraising events$229,285
VIII-1e Government grants$15,824
VIII-1f All other contributions, gifts and grants$2,106,797
VIII-1g Noncash contributions (included above)$100,950
VIII-1h Total contributions, gifts and grants$2,351,906
VIII-2a-f Program service revenue, itemized rows (sum of 2a–2f as filed)Related to mission $42,390$42,390
VIII-3 Investment incomeExcluded from tax $46,687$46,687
VIII-8 Net income from fundraising eventsExcluded from tax −$69,214−$69,214
VIII-11a-d Other revenue, itemized rows (sum of 11a–11d as filed)Related to mission $252,709$252,709
VIII-12 Total revenueRelated to mission $295,099 · Unrelated business $0 · Excluded from tax −$22,527$2,624,478
Part IX · Statement of functional expenses $2,209,297 across 16 lines filed
IX-5 Pay of current officers, directors and key staffPrograms $291,341 · Management $38,170 · Fundraising $16,057$345,568
IX-7 Other salaries and wagesPrograms $652,825 · Management $85,530 · Fundraising $35,980$774,335
IX-8 Pension plan contributionsPrograms $21,445 · Management $2,810 · Fundraising $1,182$25,437
IX-9 Other employee benefitsPrograms $119,129 · Management $15,608 · Fundraising $6,565$141,302
IX-10 Payroll taxesPrograms $77,505 · Management $10,154 · Fundraising $4,272$91,931
IX-11b Legal feesPrograms $156,746 · Management $635$157,381
IX-11c Accounting feesPrograms $14,400 · Management $48,054$62,454
IX-11g Other fees for servicesPrograms $155,527 · Fundraising $41,493$197,020
IX-12 Advertising and promotionPrograms $1,051 · Management $4,670 · Fundraising $196$5,917
IX-13 Office expensesPrograms $56,965 · Management $13,681 · Fundraising $21,366$92,012
IX-16 OccupancyPrograms $105,698 · Management $13,848 · Fundraising $5,825$125,371
IX-17 TravelPrograms $37,124 · Management $5,567 · Fundraising $500$43,191
IX-19 Conferences, conventions and meetingsPrograms $17,873 · Management $3,473 · Fundraising $6,935$28,281
IX-22 Depreciation, depletion and amortizationPrograms $30,872 · Management $4,047 · Fundraising $1,702$36,621
IX-23 InsurancePrograms $27,854 · Management $2,874$30,728
IX-24 Other expenses (24a–d)Programs $23,483 · Management $21,553 · Fundraising $6,712$51,748
IX-25 Total functional expensesPrograms $1,789,838 · Management $270,674 · Fundraising $148,785$2,209,297
Part X · Balance sheet $2,295,397 assets, 13 lines filed
X-1 Cash, non-interest-bearingStart of year $324,367$288,131
X-2 Savings and temporary cash investmentsStart of year $554,620$992,333
X-3 Pledges and grants receivableStart of year $25,585$29,095
X-9 Prepaid expenses and deferred chargesStart of year $30,640$18,511
X-10c Land, buildings and equipment, netStart of year $63,912$135,663
X-15 Other assetsStart of year $921,480$831,664
X-16 Total assetsStart of year $1,920,604$2,295,397
X-17 Accounts payable and accrued expensesStart of year $143,378$102,990
X-26 Total liabilitiesStart of year $143,378$102,990
X-27 Net assets without donor restrictionsStart of year $895,044$1,264,197
X-28 Net assets with donor restrictionsStart of year $882,182$928,210
X-32 Total net assets or fund balancesStart of year $1,777,226$2,192,407
X-33 Total liabilities and net assetsStart of year $1,920,604$2,295,397
Part XI · Reconciliation of net assets $2,192,407 net assets at year end
XI-1 Total revenue$2,624,478
XI-2 Total expenses$2,209,297
XI-3 Revenue less expenses$415,181
XI-4 Net assets at start of year$1,777,226
XI-9 Other changes in net assets$0
XI-10 Net assets at end of year$2,192,407

Form 990 e-file (XML) FY2024 from the IRS · Classification, formation year and address from the IRS Business Master File

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