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Oyster River Ecology Inc

Wimauma, Florida · EIN 88-4362329 · Environment · tax-exempt since 2023

C

Charity Clarity grade C (score 62.2 of 100), based on the Form 990 for the year ended January 2026.

Graded against 14,690 environment nonprofits with revenue $500K–$2M filing the same form. A = top 10%, B = next 20%, C = middle 40%, D = next 20%, F = bottom 10%.

What goes into the grade

MeasureThis charityScore (0–100)
ReservesMonths of spending covered by unrestricted net assets.17.9 months78
GovernanceBoard independence, key policies and audit, per the 990.52% of practices52
Margin stabilityHow steady the surplus or deficit is year to year.30
Revenue spreadHow much revenue rests on one type of income.71% from one source66
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.91.3%not scored
Management costsShare of spending.8.7%not scored
Cost to raise $1Fundraising cost per dollar given.$0.00not scored

Scores compare this charity with its peer group; 100 is best. How Charity Clarity rates charities.

Year by year

202420252026grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Jan 2026Form 990$503K$335K$168K$499K17.95C
Jan 2025Form 990$429K$164K$265K$332K24.22C
Jan 2024Form 990-EZ$199K$132K$67K$67K6.1C

From the organisation’s own IRS filings. “Months of spending” is total net assets divided by a month of that year’s spending. A blank grade means that year was not rated.

Read the filings

Every figure here comes from the returns this charity filed with the IRS. These sites show the full returns and more about the organisation:

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