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Shamokin & Coal TWP JT Sew Auth Northumberland Cnty

Sewage treatment plant, major discharger, Shamokin, Pennsylvania. NPDES permit PA0027324 expired Dec 31, 2025; its limits still apply. Last 12 months: over a limit 4 times (last March 2026), 45 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (45 values), form Z yearly (5 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 1 of 13 reports late

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

Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, monthly average44.5 mg/L≤ 30 mg/L48%
November 2025Solids, total suspended, weekly average79.5 mg/L≤ 45 mg/L77%
February 2026Nitrogen, ammonia total [as N], monthly average6.32 mg/L≤ 5 mg/L26%
March 2026Nitrogen, ammonia total [as N], weekly average7.09 mg/L≤ 7 mg/L1%

Limits in force (52)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all 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≤ 1751 lb/dall year
Solids, total suspendedweekly average≤ 2627 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≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 7 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 350 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 495 lb/dall year
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
Cobalt, total [as Co]monthly averagereport only (ug/L)all year
Cobalt, total [as Co]weekly averagereport only (ug/L)all year
Cobalt, total [as Co]monthly averagereport only (lb/d)all year
Cobalt, total [as Co]weekly averagereport only (lb/d)all year
Iron, total [as Fe]monthly averagereport only (mg/L)all year
Iron, total [as Fe]monthly averagereport only (lb/d)all year
Manganese, total [as Mn]monthly averagereport only (mg/L)all year
Manganese, total [as Mn]monthly averagereport only (lb/d)all year
Aluminum, total [as Al]monthly averagereport only (mg/L)all year
Aluminum, total [as Al]monthly averagereport 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≤ 127852 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≤ 17047 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≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1460 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 2335 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/PA0027324 · MCP: https://passage-data.com/mcp