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St. Josephs Indian School

Schools & Educational Services, Chamberlain, South Dakota. NPDES permit SD0025798 expired Jun 30, 2025; its limits still apply. Last 12 months: no values over a limit, 12 of 20 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Q monthly (12 values), form SA monthly (2 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 14 of 24 reports late

Limits in force (14)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheit30-day averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximum≤ 75 deg Fall year
Flow rate30-day averagereport only (gal/min)all year
Flow ratedaily maximum≤ 1200 gal/minall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 8.3 SUall year
Solids, total suspended30-day average≤ 10 mg/Lall year
Solids, total suspendeddaily maximum≤ 17.5 mg/Lall year
Radium 226, totalrolling average≤ 25 pCi/Lall year
Radium 226, totaldaily maximum≤ 30 pCi/Lall year
Floating solids, waste or visible foam-visualdaily maximum≤ 0 abst=0;prst=1all year
Flow, totalmonthly totalreport only (Mgal)all year
Solids, total dissolved30-day average≤ 2500 mg/Lall year
Solids, total dissolveddaily maximum≤ 2500 mg/Lall year

How strict are these limits?

Cited limits by parameter: South Dakota's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SD0025798 · MCP: https://passage-data.com/mcp