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Prairie Lakes Health Care System Inc

Watertown, South Dakota · EIN 46-0391067 · Health Care · tax-exempt since 1987

B

Charity Clarity grade B (score 70.9 of 100), based on the Form 990 for the year ended May 2025.

Graded against 22,236 health care nonprofits with revenue over $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.29.1 months57
GovernanceBoard independence, key policies and audit, per the 990.98% of practices98
Margin stabilityHow steady the surplus or deficit is year to year.25
Revenue spreadHow much revenue rests on one type of income.0% from one source83
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.94.9%not scored
Management costsShare of spending.5.1%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

2016201720182019202020212022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
May 2025Form 990$202.91M$169.71M$33.20M$410.87M29.1938B
May 2024Form 990$161.90M$147.02M$14.87M$386.86M31.6842B
May 2023Form 990$143.81M$137.64M$6.17M$356.40M31.1751C
May 2022Form 990$140.44M$125.59M$14.85M$380.04M36.3705C
May 2021Form 990$139.22M$110.91M$28.31M$382.34M41.4693C
May 2020Form 990$115.98M$102.18M$13.80M$263.72M31.0665C
May 2019Form 990$120.06M$100.78M$19.28M$273.61M32.6645B
May 2018Form 990$114.77M$97.30M$17.48M$268.30M33.1671B
May 2017Form 990$111.90M$95.21M$16.69M$244.04M30.8632B
May 2016Form 990$99.64M$83.76M$15.88M$220.34M31.6611C

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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