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River Partners

Chico, California · EIN 94-3302335 · Environment · tax-exempt since 1998

B

Charity Clarity grade B (score 72.4 of 100), based on the Form 990 for the year ended June 2025.

Graded against 1,852 environment nonprofits with revenue $10M–$50M 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.14.6 months84
GovernanceBoard independence, key policies and audit, per the 990.86% of practices86
Margin stabilityHow steady the surplus or deficit is year to year.25
Revenue spreadHow much revenue rests on one type of income.67% from one source67
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.98.0%not scored
Management costsShare of spending.0.4%not scored
Cost to raise $1Fundraising cost per dollar given.$0.01not scored

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

Year by year

201620172018202020212022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Jun 2025Form 990$41.18M$26.13M$15.04M$31.90M14.6126B
Jun 2024Form 990$56.92M$19.26M$37.66M$26.28M16.481B
Jun 2023Form 990$28.12M$11.91M$16.21M$20.42M20.653C
Jun 2022Form 990$12.81M$13.62M−$809K$19.15M16.997B
Jun 2021Form 990$15.93M$14.67M$1.26M$19.99M16.397A
Jun 2020Form 990$17.21M$16.71M$496K$19.19M13.876A
Jun 2018Form 990$9.34M$8.85M$488K$18.87M25.644B
Jun 2017Form 990$5.48M$5.31M$179K$18.38M41.634C
Jun 2016Form 990$8.47M$5.47M$3.00M$18.20M39.938C

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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