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Keystone Cement Co

Cement, Hydraulic, Bath, Pennsylvania. NPDES permit PA0011517, in force until Feb 28, 2027. Last 12 months: over a limit 2 times (last June 2026), 5 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 002 form A monthly (5 values), outfall 002 form S twice a year, outfall 003 form S twice a year, outfall 004 form S twice a year, outfall 005 form S twice a year, outfall 006 form S twice a year
Renewal application due
Sep 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 22 reports late

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

Period endingOutfallParameterReportedLimitOver by
January 2026002Solids, total suspended, daily maximum171 mg/L≤ 50 mg/L242%
June 2026003Solids, total suspended, daily maximum108 mg/L≤ 100 mg/L8%

Limits in force (27)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendeddaily maximum≤ 50 mg/Lall year002
Iron, total [as Fe]daily maximumreport only (mg/L)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendeddaily maximum≤ 100 mg/Lall year003
Iron, total [as Fe]daily maximumreport only (mg/L)all year003
Aluminum, total [as Al]daily maximumreport only (mg/L)all year003
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Solids, total suspendeddaily maximum≤ 100 mg/Lall year004
Iron, total [as Fe]daily maximumreport only (mg/L)all year004
Aluminum, total [as Al]daily maximumreport only (mg/L)all year004
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
Solids, total suspendeddaily maximum≤ 100 mg/Lall year005
Iron, total [as Fe]daily maximumreport only (mg/L)all year005
Aluminum, total [as Al]daily maximumreport only (mg/L)all year005
pHinstantaneous minimum≥ 6 SUall year006
pHinstantaneous maximum≤ 9 SUall year006
Solids, total suspendeddaily maximum≤ 100 mg/Lall year006
Iron, total [as Fe]daily maximumreport only (mg/L)all year006
Aluminum, total [as Al]daily maximumreport only (mg/L)all year006

How strict are these limits?

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

Same industry: the 80 Stone, Clay, Glass and Concrete Products 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/PA0011517 · MCP: https://passage-data.com/mcp