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Somerset TWP Muni Auth Somerset Cnty

Sewage treatment plant, Somerset, Pennsylvania. NPDES permit PA0205681, in force until Nov 30, 2027. Last 12 months: over a limit 3 times (last November 2025), 28 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (28 values), form Q quarterly (1 value), form Y yearly
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
October 2025Copper, total [as Cu], daily maximum15.6 ug/L≤ 13.7 ug/L14%
October 2025Copper, total [as Cu], monthly average13 ug/L≤ 9.15 ug/L42%
November 2025Copper, total [as Cu], monthly average11.3 ug/L≤ 9.15 ug/L23%

Limits in force (38)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 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≤ 10 mg/Lall year
Solids, total suspendedweekly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 35 lb/dall year
Solids, total suspendedweekly average≤ 52.5 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]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.65 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 6.66 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 9.28 lb/dJan, Feb, Mar, Apr, Nov, Dec
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Copper, total [as Cu]monthly average≤ 9.15 ug/Lall year
Copper, total [as Cu]daily maximum≤ 13.7 ug/Lall year
Iron, total [as Fe]daily maximumreport only (mg/L)all year
Manganese, total [as Mn]daily maximumreport only (mg/L)all year
Zinc, total [as Zn]monthly average≤ 117 ug/Lall year
Zinc, total [as Zn]daily maximum≤ 118 ug/Lall year
Aluminum, total [as Al]daily maximumreport only (mg/L)all year
Ultraviolet light intensitydaily minimumreport only (mW/cm2)all year
Flow, in conduit or thru treatment plantmonthly average≤ .42 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. coliinstantaneous maximumreport only (#/100mL)all year
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 35 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 52.5 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/PA0205681 · MCP: https://passage-data.com/mcp