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Mckean TWP Sew Auth Erie Cnty

Sewerage Systems, Mckean, Pennsylvania. NPDES permit PA0046337 expired Jan 31, 2023; its limits still apply. Last 12 months: over a limit 6 times (last June 2026), 23 required values missing, 1 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026Nitrogen, ammonia total [as N], monthly average3.8≤ 2.5 lb/d52%
February 2026Phosphorus, total [as P], monthly average.29≤ .23 lb/d26%
February 2026Phosphorus, total [as P], monthly average1.47 mg/L≤ 1 mg/L47%
February 2026Solids, total suspended, monthly average10.4 mg/L≤ 10 mg/L4%
June 2026Coliform, fecal general, instantaneous maximum2419 CFU/100mL≤ 1000 CFU/100mL142%
June 2026Phosphorus, total [as P], monthly average1.15 mg/L≤ 1 mg/L15%

Limits in force (27)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 6 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
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedmonthly average≤ 3.5 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 10.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 3.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.5 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .8 lb/dMay–Oct
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Phosphorus, total [as P]monthly average≤ .23 lb/dall 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≤ .15 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ .5 mg/Lall year
Coliform, fecal generalgeometric mean≤ 2000 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalgeometric mean≤ 200 CFU/100mLMay–Sep
Coliform, fecal generalinstantaneous maximum≤ 10000 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 1000 CFU/100mLMay–Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.5 lb/dall year

How strict are these limits?

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/PA0046337 · MCP: https://passage-data.com/mcp