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Montgomery TWP Muni Sew Auth Montgomery Cnty

Sewage treatment plant, major discharger, North Wales, Pennsylvania. NPDES permit PA0053180, in force until Apr 30, 2027. Last 12 months: over a limit 4 times (last June 2026), 96 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (48 values), outfall 001 form Q quarterly (5 values), outfall 002 form Y yearly, outfall 003 form Y yearly
Renewal application due
Nov 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 18 reports late

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

Period endingParameterReportedLimitOver by
February 2026Dichlorobromomethane, daily maximum.0026 mg/L≤ .0017 mg/L53%
April 2026Dichlorobromomethane, daily maximum.0018 mg/L≤ .0017 mg/L6%
June 2026Coliform, fecal general, geometric mean227 #/100mL≤ 200 #/100mL14%
June 2026Coliform, fecal general, instantaneous maximum1990 #/100mL≤ 1000 #/100mL99%

Limits in force (81)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year001
Oxygen, dissolved [DO]monthly averagereport only (mg/L)all 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≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 600 lb/dall year001
Solids, total suspendedweekly average≤ 900 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 40 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 80 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year001
Nitrite + Nitrate total [as N]monthly average≤ 9 mg/LJul–Oct001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Jun, Nov, Dec001
Nitrite + Nitrate total [as N]monthly average≤ 180 lb/dJul–Oct001
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Jun, Nov, Dec001
Phosphorus, total [as P]monthly average≤ .65 mg/LApr–Oct001
Phosphorus, total [as P]monthly average≤ 1.3 mg/LJan, Feb, Mar, Nov, Dec001
Phosphorus, total [as P]monthly average≤ 13 lb/dApr–Oct001
Phosphorus, total [as P]monthly average≤ 26 lb/dJan, Feb, Mar, Nov, Dec001
Copper, total [as Cu]monthly averagereport only (mg/L)all year001
Iron, total [as Fe]monthly averagereport only (mg/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
Iron, dissolved [as Fe]monthly averagereport only (mg/L)all year001
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]monthly averagereport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]monthly averagereport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Antimony, total [as Sb]monthly averagereport only (mg/L)all year001
Antimony, total [as Sb]daily maximumreport only (mg/L)all year001
Dichlorobromomethanemonthly average≤ .0011 mg/Lall year001
Dichlorobromomethanedaily maximum≤ .0017 mg/Lall year001
Chloroformmonthly average≤ .011 mg/Lall year001
Chloroformdaily maximum≤ .0172 mg/Lall 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
Chlorine, total residualmonthly average≤ .025 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ .083 mg/Lall year001
E. coliinstantaneous maximumreport only (#/100mL)all year001
Cyanide, free availablemonthly averagereport only (mg/L)all year001
Cyanide, free availabledaily maximumreport only (mg/L)all year001
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 1.1 tox chronicall year001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 1.1 tox chronicall year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Coliform, fecal generalgeometric mean≤ 200 #/100mLall year001
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 200 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 400 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 300 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 600 lb/dJan, Feb, Mar, Apr, Nov, Dec001
TU Static 7Day Chronic Ceriodaphnia dubiadaily maximum≤ 1.1 tox chronicall year001
Static 7Day Chronic Pimephales Promelasdaily maximum≤ 1.1 tox chronicall 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
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year003
pHdaily maximumreport only (SU)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Oil & Greasedaily maximumreport only (mg/L)all year003
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year003
Phosphorus, total [as P]daily maximumreport only (mg/L)all year003
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year003
Coliform, fecal generaldaily maximumreport only (#/100mL)all year003
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year003

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/PA0053180 · MCP: https://passage-data.com/mcp