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Mahanoy TWP Auth Schuylkill Cnty

Water Supply, Mahanoy City, Pennsylvania. NPDES permit PA0063258 expired Oct 31, 2019; its limits still apply. Last 12 months: no values over a limit, 31 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (31 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (31)

ParameterStatisticLimitMonths
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Arsenic, total [as As]monthly average≤ .098 mg/Lall year
Arsenic, total [as As]daily maximum≤ .153 mg/Lall year
Copper, total [as Cu]monthly average≤ .014 mg/Lall year
Copper, total [as Cu]daily maximum≤ .022 mg/Lall year
Iron, total [as Fe]monthly average≤ 2 mg/Lall year
Iron, total [as Fe]daily maximum≤ 4 mg/Lall year
Iron, total [as Fe]monthly average≤ 1.67 lb/dall year
Iron, total [as Fe]daily maximum≤ 3.34 lb/dall year
Lead, total [as Pb]monthly average≤ .002 mg/Lall year
Lead, total [as Pb]daily maximum≤ .003 mg/Lall year
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year
Manganese, total [as Mn]monthly average≤ .83 lb/dall year
Manganese, total [as Mn]daily maximum≤ 1.67 lb/dall year
Zinc, total [as Zn]monthly averagereport only (mg/L)all year
Zinc, total [as Zn]daily maximumreport only (mg/L)all year
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year
Aluminum, total [as Al]monthly average≤ 1.67 lb/dall year
Aluminum, total [as Al]daily maximum≤ 3.34 lb/dall 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 residualdaily maximum≤ 1 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ 1.6 mg/Lall year
Cyanide, free availablemonthly averagereport only (mg/L)all year
Cyanide, free availabledaily maximumreport only (mg/L)all year

How strict are these limits?

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

Same industry: the 214 Water Supply permits in Pennsylvania.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0063258 · MCP: https://passage-data.com/mcp