Civic Intelligence

Clean Streams Rivers and Lakes

EIN 86-1647486 • 501(c)3 • Fairfax, VA

Profile

Research, Education, Engineering, Manufacturing, Remediation and all other activities related to Achieving Safer Cleaner Water Quality on our Planet Earth.

3905 Railroad Avenue Suite LL103Fairfax, VA 22030

cleanstreamsriversandlakes.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

89th percentile

0.55x

Higher debt load relative to assets than 89% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Liabilities / Revenue

80th percentile

0.07x

Higher debt load relative to revenue than 80% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Net Margin

89th percentile

48%

Higher net margin than 89% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Top Officer Pay

81st percentile

$0

Higher top officer pay than 81% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2025

Asset Growth

20th percentile

-48%

Faster asset growth than 20% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

50th percentile

-1.8%

Faster revenue growth than 50% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets89th percentile

Assets

Down

$7,644

Down $6,945 (-48%) from 2024

Liabilities

Up

$4,172

Up $4,041 (+3085%) from 2024

Net Assets

Down

$3,472

Down $10,986 (-76%) from 2024

Operations
Liabilities / Revenue80th percentileNet Margin89th percentile

Revenue

Down

$63,145

Down $1,188 (-1.8%) from 2024

Expenses

Down

$32,873

Down $24,936 (-43%) from 2024

Net Income

Up

$30,272

Up $23,748 (+364%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth20th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$15K$10K$5.0K$0Assets 2022: $5,077Liabilities 2022: $0Net Assets 2022: $5,0772022Assets 2023: $7,934Liabilities 2023: $0Net Assets 2023: $7,9342023Assets 2024: $14,589Liabilities 2024: $131Net Assets 2024: $14,4582024Assets 2025: $7,644Liabilities 2025: $4,172Net Assets 2025: $3,4722025

Highlighted filing

2025

Assets$7,644
Liabilities$4,172
Net Assets$3,472
Open 2025 Filing

Operations Trend

Revenue Growth50th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$100K$50K$0Revenue 2022: $58,098Expenses 2022: $55,272Net Income 2022: $2,8262022Revenue 2023: $94,835Expenses 2023: $91,978Net Income 2023: $2,8572023Revenue 2024: $64,333Expenses 2024: $57,809Net Income 2024: $6,5242024Revenue 2025: $63,145Expenses 2025: $32,873Net Income 2025: $30,2722025

Highlighted filing

2025

Revenue$63,145
Expenses$32,873
Net Income$30,272
Open 2025 Filing

Filings

Most recent year

2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$7,644
Liabilities
$4,172
Net assets
$3,472
Revenue
$63,145
Expenses
$32,873
Net income
$30,272
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$7.64$4.17$3.47$63.1$32.9$30.3
2024Detailed filing. Detailed filing data is available for this year.$14.6$0.13$14.5$64.3$57.8$6.52
2023Detailed filing. Detailed filing data is available for this year.$7.93$0.00$7.93$94.8$92.0$2.86
2022Detailed filing. Detailed filing data is available for this year.$5.08$0.00$5.08$58.1$55.3$2.83
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Dec 31, 2025
Signed
Mar 4, 2026
Return Version
2025v4.0
Gross Receipts
$63,145
Mission and Program Overview

Mission

Research, Education, Engineering, Manufacturing, Remediation and all other activities related to Achieving Safer Cleaner Water Quality on our Planet Earth.

Program Services

DescriptionGrantsExpenses
Continued in our fourth year of field testing combinations of aeration equipment, diatom promoter, mined calcium silicate, other natural phosphorus reducing products41258 and beneficial bacteria to reduce pollution in ponds. Also supplied to some pond owners safe selective herbicide they requested to reduce weeds. Provided consulting and excess nutrient education to many pond owners for no charge.$0$41,258
Compensation and Service Providers
Top Officer Pay81st percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Matthew J RainoffPresident/Treasurer-$0--
Mark L TullVice President-$0--
Jeffrey S StahleSecretary-$0--
Filing and Contact Details

Filer

Filer Name
Clean Streams Rivers and Lakes
EIN
86-1647486
Phone
5714366327
Address
3905 Railroad Avenue Suite LL103, Fairfax, VA 22030

Signing Officer

Name
Matthew Rainoff
Title
President/Treasurer
Phone
5714626327
Signed
2026-03-04
Supplemental Narrative

Additional Explanations

Form 990-EZ, Part I, Line 16

“Description;Amount^Licenses anc Permits;76|Bookkeeping Fees;99|Shipping Expense;103|Fundraising Fees;19|Personal Property Tax;29|Telephone;200|Credit Card Discount Fees;339|Insurance;515|Staff Development Training Course;159^Total;1539^”

Form 990-EZ, Part I, Line 20

“Description;Amount^Direct Program Costs;-41258^Total;-41258^”

Form 990-EZ, Part II, Line 26

“Description;EOY Amount^Credit Card Debt;4172^Total;4172^”

Raw XML Appendix172 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990EZ/OperateHospitalInd00
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IRS990ScheduleA/First5Years509Ind0X
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Description;Amount^Licenses anc Permits;76|Bookkeeping Fees;99|Shipping Expense;103|Fundraising Fees;19|Personal Property Tax;29|Telephone;200|Credit Card Discount Fees;339|Insurance;515|Staff Development Training Course;159^Total;1539^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Description;Amount^Direct Program Costs;-41258^Total;-41258^
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IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990-EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990-EZ, Part I, Line 20
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990-EZ, Part II, Line 26
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Matthew Rainoff
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0President/Treasurer
ReturnHeader/BusinessOfficerGrp/PhoneNum05714626327
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-03-04
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0CLEAN STREAMS RIVERS AND LAKES
ReturnHeader/Filer/BusinessNameControlTxt0CLEA
ReturnHeader/Filer/EIN0861647486
ReturnHeader/Filer/PhoneNum05714366327
ReturnHeader/Filer/USAddress/AddressLine1Txt03905 Railroad Avenue Suite LL103
ReturnHeader/Filer/USAddress/CityNm0Fairfax
ReturnHeader/Filer/USAddress/StateAbbreviationCd0VA
ReturnHeader/Filer/USAddress/ZIPCd022030
ReturnHeader/ReturnTs02026-03-04T11:11:27-07:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02025-01-01
ReturnHeader/TaxPeriodEndDt02025-12-31
ReturnHeader/TaxYr02025

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