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Wild Horse Hot Springs, Inc

Hotels And Motels, Hot Springs, Montana. NPDES permit MT0000005, in force until Mar 31, 2029. Last 12 months: no values over a limit, 3 of 9 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (12 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 72 required values missing, 9 of 12 reports late

Limits in force (12)

ParameterStatisticLimitMonths
Temperature, water deg. centigrade30-day averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
E. coli30-day geometric mean≤ 126 #/100mLall year
E. colidaily maximum≤ 252 #/100mLall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
Flow30-day averagereport only (MGD)all year
Flowdaily maximumreport only (MGD)all year

How strict are these limits?

Cited limits by parameter: Montana'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/MT0000005 · MCP: https://passage-data.com/mcp