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Pennridge Wastewater TRMT Auth

Sewage treatment plant, major discharger, Sellersville, Pennsylvania. NPDES permit PA0020460, in force until Oct 31, 2030. Last 12 months: over a limit 6 times (last June 2026), 41 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (29 values), outfall 001 form Q quarterly, outfall 002 form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
12 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
December 2025Coliform, fecal general, instantaneous maximum2300 #/100mL≤ 1000 #/100mL130%
January 2026Coliform, fecal general, geometric mean214 #/100mL≤ 200 #/100mL7%
January 2026Coliform, fecal general, instantaneous maximum12600 #/100mL≤ 1000 #/100mL1160%
February 2026Coliform, fecal general, geometric mean1048 #/100mL≤ 200 #/100mL424%
February 2026Coliform, fecal general, instantaneous maximum15300 #/100mL≤ 1000 #/100mL1430%
June 2026Coliform, fecal general, instantaneous maximum1070 #/100mL≤ 1000 #/100mL7%

Limits in force (60)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 20 mg/Lall year001
Solids, total suspendedweekly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 721 lb/dall year001
Solids, total suspendedweekly average≤ 1082 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 9 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 108 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 325 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]monthly average≤ 1.5 mg/LMay–Oct001
Phosphorus, total [as P]monthly average≤ 2 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]monthly average≤ 54 lb/dMay–Oct001
Phosphorus, total [as P]monthly average≤ 72 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]quarterly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
E. coliinstantaneous maximumreport only (#/100mL)all year001
Ultraviolet light transmittancedaily minimumreport only (%)all year001
Cyanide, free availabledaily maximumreport only (mg/L)all year001
Perfluorooctanoic acid (PFOA)daily maximumreport only (ug/L)all year001
Perfluorooctanesulfonatedaily maximumreport only (ug/L)all year001
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ug/L)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ug/L)all year001
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 2.56 tox chronicall year001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox chronic)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Coliform, fecal generalgeometric mean≤ 200 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep001
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 23 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 900 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 541 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1440 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 830 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year001
TU Static 7Day Chronic Ceriodaphnia dubiadaily maximum≤ 2.56 tox chronicall year001
Static 7Day Chronic Pimephales Promelasdaily maximumreport only (tox chronic)all year001
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year002
pHdaily maximumreport only (SU)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil & Greasedaily maximumreport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year002
Coliform, fecal generaldaily maximumreport only (#/100mL)all year002
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year002

New limits from Nov 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Cyanide, free available, daily maximum0.018 mg/Lnew——
Cyanide, free available, monthly average0.01 mg/Lnew——

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

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