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Pine Haven, Town of

Sewage treatment plant, Unknown, Wyoming. NPDES permit WY0095907 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit 2 times (last January 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form SM quarterly (23 values), form MA yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
21 values over a limit, 0 required values missing, 0 of 13 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
January 2026E. coli, daily maximum2419 #/100mL≤ 630 #/100mL284%
January 2026E. coli, monthly geometric mean2419 #/100mL≤ 630 #/100mL284%

Limits in force (30)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 90 mg/Lall year
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendeddaily maximum≤ 90 mg/Lall year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Durationmonthly totalreport only (d)all year
Chlorine, total residualdaily maximum≤ .011 mg/Lall year
E. colimonthly geometric mean≤ 126 #/100mLApr–Sep
E. colimonthly geometric mean≤ 630 #/100mLJan, Feb, Mar, Oct, Nov, Dec
E. colidaily maximum≤ 235 #/100mLApr–Sep
E. colidaily maximum≤ 630 #/100mLJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, Ammonia Totaldaily maximumreport only (mg/L)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Flowmonthly averagereport only (MGD)all year
Flowdaily maximumreport only (MGD)all year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Produced water, oil and greasedaily maximumreport only (mg/L)all year

How strict are these limits?

Cited limits by parameter: Wyoming'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/WY0095907 · MCP: https://passage-data.com/mcp