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Zerbe TWP Northumberland Cnty

Sewerage Systems, Trevorton, Pennsylvania. NPDES permit PA0038865 expired Mar 31, 2026; its limits still apply. Last 12 months: over a limit 2 times (last October 2025), 44 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (44 values), form Z yearly (5 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, geometric mean3380 #/100mL≤ 2000 #/100mL69%
October 2025Coliform, fecal general, instantaneous maximum24200 #/100mL≤ 10000 #/100mL142%

Limits in force (59)

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≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 125 lb/dall year
Solids, total suspendedweekly average≤ 185 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]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 3.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 10.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 5.2 mg/LMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 15.6 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 14 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 43 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 21 lb/dMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 65 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Copper, total [as Cu]monthly average≤ 14.8 ug/Lall year
Copper, total [as Cu]daily maximum≤ 23.1 ug/Lall year
Copper, total [as Cu]monthly average≤ .062 lb/dall year
Copper, total [as Cu]daily maximum≤ .096 lb/dall year
Zinc, total [as Zn]monthly averagereport only (ug/L)all year
Zinc, total [as Zn]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]monthly averagereport only (lb/d)all year
Zinc, total [as Zn]daily maximumreport only (lb/d)all year
Ultraviolet light intensityinstantaneous minimumreport only (mW/cm2)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
Nitrogen, Totalmonthly totalreport only (lb)all year
Nitrogen, Totalannual totalreport only (lb)all year
Nitrogen, Totalannual total≤ 7306 lball year
Nitrogen, Ammonia Totalmonthly totalreport only (lb)all year
Nitrogen, Ammonia Totalannual totalreport only (lb)all year
Nitrogen, Kjeldahl Totalmonthly totalreport only (lb)all year
Nitrite Plus Nitrate Totalmonthly totalreport only (lb)all year
Phosphorus, Totalmonthly totalreport only (lb)all year
Phosphorus, Totalannual totalreport only (lb)all year
Phosphorus, Totalannual total≤ 974 lball 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≤ 12 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 24 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 18 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 36 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 50 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 100 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 75 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 150 lb/dJan, Feb, Mar, Apr, Nov, Dec

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/PA0038865 · MCP: https://passage-data.com/mcp