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Southwest Warren Cnty Muni Auth

Sewage treatment plant, Tidioute, Pennsylvania. NPDES permit PA0025291 expired Dec 31, 2023; its limits still apply. Last 12 months: over a limit 10 times (last June 2026), 50 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (25 values), form Q quarterly (3 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
November 2025pH, instantaneous minimum5.81 SU≥ 6 SU—
December 2025Chlorine, total residual, instantaneous maximum2.2 mg/L≤ 1.6 mg/L38%
December 2025Chlorine, total residual, monthly average1.42 mg/L≤ .5 mg/L184%
January 2026Chlorine, total residual, instantaneous maximum2.2 mg/L≤ 1.6 mg/L38%
January 2026Chlorine, total residual, monthly average.84 mg/L≤ .5 mg/L68%
May 2026Coliform, fecal general, instantaneous maximum2420 #/100mL≤ 1000 #/100mL142%
May 2026pH, instantaneous minimum4.65 SU≥ 6 SU—
June 2026Coliform, fecal general, instantaneous maximum1987 #/100mL≤ 1000 #/100mL99%
June 2026Solids, total suspended, weekly average165≤ 94 lb/d76%
June 2026Solids, total suspended, weekly average87 mg/L≤ 45 mg/L93%

Limits in force (30)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 60 lb/dall year
Solids, total suspendedweekly average≤ 94 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Nitrogen, total [as N]quarterly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]quarterly averagereport only (mg/L)all year
Chloride [as Cl]monthly averagereport only (mg/L)all year
Nickel, total [as Ni]quarterly averagereport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .5 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ 1.6 mg/Lall year
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 52 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 83 lb/dall year

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0025291 · MCP: https://passage-data.com/mcp