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Altoona Water Auth

Water Supply, Tyrone, Pennsylvania. NPDES permit PA0085537 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit 2 times (last October 2025), 24 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (6 values), outfall 101 form A monthly (18 values), outfall 101 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 12 required values missing, 0 of 26 reports late

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

Period endingOutfallParameterReportedLimitOver by
October 2025001Chlorine, total residual, monthly average.63 mg/L≤ .5 mg/L26%
October 2025101Manganese, total [as Mn], monthly average1.3 mg/L≤ 1 mg/L30%

Limits in force (30)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .5 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ 1.6 mg/Lall year001
pHinstantaneous minimum≥ 6 SUall year101
pHinstantaneous maximum≤ 9 SUall year101
Solids, total suspendedmonthly average≤ 30 mg/Lall year101
Solids, total suspendeddaily maximum≤ 60 mg/Lall year101
Nitrogen, total [as N]semi-annual averagereport only (lb/yr)all year101
Nitrogen, Kjeldahl, total [as N]semi-annual averagereport only (mg/L)all year101
Nitrogen, Kjeldahl, total [as N]semi-annual averagereport only (lb/d)all year101
Nitrite + Nitrate total [as N]semi-annual averagereport only (mg/L)all year101
Nitrite + Nitrate total [as N]semi-annual averagereport only (lb/d)all year101
Phosphorus, total [as P]semi-annual averagereport only (lb/yr)all year101
Iron, total [as Fe]monthly average≤ 2 mg/Lall year101
Iron, total [as Fe]daily maximum≤ 4 mg/Lall year101
Iron, total [as Fe]monthly averagereport only (lb/d)all year101
Iron, total [as Fe]daily maximumreport only (lb/d)all year101
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year101
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year101
Manganese, total [as Mn]monthly averagereport only (lb/d)all year101
Manganese, total [as Mn]daily maximumreport only (lb/d)all year101
Aluminum, total [as Al]monthly average≤ 3.5 mg/Lall year101
Aluminum, total [as Al]daily maximum≤ 7 mg/Lall year101
Aluminum, total [as Al]monthly average≤ 7 lb/dall year101
Aluminum, total [as Al]daily maximum≤ 14 lb/dall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101

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/PA0085537 · MCP: https://passage-data.com/mcp