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Hampton TWP Allegheny Cnty

Sewage treatment plant, major discharger, Allison Park, Pennsylvania. NPDES permit PA0043729, in force until Feb 28, 2030. Last 12 months: no values over a limit, 32 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (32 values), form Q quarterly (8 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 16 reports late

Limits in force (50)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly 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≤ 800.6 lb/dall year
Solids, total suspendedweekly average≤ 1201 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly 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]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 4.5 mg/LJan, Feb, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMar–Nov
Nitrogen, ammonia total [as N]weekly average≤ 6.8 mg/LJan, Feb, Dec
Nitrogen, ammonia total [as N]weekly average≤ 2.3 mg/LMar–Nov
Nitrogen, ammonia total [as N]monthly average≤ 120.2 lb/dJan, Feb, Dec
Nitrogen, ammonia total [as N]monthly average≤ 40.1 lb/dMar–Nov
Nitrogen, ammonia total [as N]weekly average≤ 181.5 lb/dJan, Feb, Dec
Nitrogen, ammonia total [as N]weekly average≤ 61.4 lb/dMar–Nov
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Copper, total [as Cu]monthly averagereport only (ug/L)all year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]daily maximumreport only (ug/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≤ .4 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ 1.11 mg/Lall year
E. colidaily maximumreport only (#/100mL)all year
Cyanide, free availabledaily maximumreport only (ug/L)all year
Perfluorooctanoic acid (PFOA)daily maximumreport only (ug/L)all year
Perfluorooctanesulfonatedaily maximumreport only (ug/L)all year
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ug/L)all year
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ug/L)all 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/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 38 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 23 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 667.6 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 400.6 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1014.8 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 614.2 lb/dMay–Oct

New limits from Feb 1, 2030

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Copper, total [as Cu], daily maximum38 ug/Lnew10 ug/L (9 values)0.263×
Copper, total [as Cu], monthly average24.3 ug/Lnew10 ug/L (9 values)0.412×

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0043729 · MCP: https://passage-data.com/mcp