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Lewis TWP Muni Auth Union Cnty

Sewage treatment plant, Millmont, Pennsylvania. NPDES permit PA0114049 expired Apr 30, 2025; its limits still apply. Last 12 months: over a limit 5 times (last June 2026), 43 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (36 values), form Z yearly (5 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
12 values over a limit, 2 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, instantaneous maximum1732.9 #/100mL≤ 1000 #/100mL73%
December 2025Nitrogen, ammonia total [as N], monthly average29.13 mg/L≤ 18 mg/L62%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average26.4 mg/L≤ 25 mg/L6%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average42.1 mg/L≤ 40 mg/L5%
June 2026Coliform, fecal general, instantaneous maximum1203.3 #/100mL≤ 1000 #/100mL20%

Limits in force (44)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 4 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 suspendedinstantaneous maximum≤ 60 mg/Lall 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≤ 6 mg/LMay–Sep
Nitrogen, ammonia total [as N]monthly average≤ 18 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 12 mg/LMay–Sep
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
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .5 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ 1.6 mg/Lall year
E. colidaily maximumreport only (#/100mL)all year
Ultraviolet light transmittancedaily minimumreport only (%)all year
Nitrogen, Totalmonthly totalreport only (lb)all year
Nitrogen, Totalannual totalreport only (lb)all year
Nitrogen, Totalmonthly totalreport only (lb)all year
Nitrogen, Totalannual total≤ 2549 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, Totalmonthly totalreport only (lb)all year
Phosphorus, Totalannual total≤ 407 lball year
Coliform, fecal generalmonthly average≤ 2000 #/100mLJan, Feb, Mar, Apr, Nov, Dec
Coliform, fecal generalmonthly average≤ 200 #/100mLMay–Oct
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Oct
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]instantaneous maximum≤ 50 mg/Lall 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/PA0114049 · MCP: https://passage-data.com/mcp