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Magnesita Refractories Co

Industrial or other facility, York, Pennsylvania. NPDES permit PA0020451, in force until Jan 5, 2027. Last 12 months: no values over a limit, 90 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 004 form A quarterly (10 values), outfall 008 form A quarterly (10 values), outfall 009 form A quarterly (10 values), outfall 004 form Y yearly, outfall 008 form Y yearly, outfall 009 form Y yearly
Renewal application due
Jul 9, 2026 · 180 days before expiry; your permit may set another date
Last report on file
March 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 39 reports late

Limits in force (33)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year004
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year004
Solids, total suspendedmonthly average≤ 35 mg/Lall year004
Solids, total suspendeddaily maximum≤ 70 mg/Lall year004
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year004
Oil & Greaseinstantaneous maximumreport only (mg/L)all year004
Flow, in conduit or thru treatment plantmonthly average≤ 1.09 MGDall year004
Flow, in conduit or thru treatment plantdaily maximum≤ 3.7 MGDall year004
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year004
pHinstantaneous minimum≥ 6 SUall year008
pHinstantaneous maximum≤ 9 SUall year008
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Solids, total suspendedmonthly average≤ 35 mg/Lall year008
Solids, total suspendeddaily maximum≤ 70 mg/Lall year008
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year008
Oil & Greaseinstantaneous maximumreport only (mg/L)all year008
Flow, in conduit or thru treatment plantmonthly average≤ 1.38 MGDall year008
Flow, in conduit or thru treatment plantdaily maximum≤ 4.7 MGDall year008
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year008
pHinstantaneous minimum≥ 6 SUall year009
pHinstantaneous maximum≤ 9 SUall year009
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year009
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year009
Solids, total suspendedmonthly average≤ 35 mg/Lall year009
Solids, total suspendeddaily maximum≤ 70 mg/Lall year009
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year009
Oil & Greaseinstantaneous maximumreport only (mg/L)all year009
Flow, in conduit or thru treatment plantmonthly average≤ 3.5 MGDall year009
Flow, in conduit or thru treatment plantdaily maximum≤ 4.9 MGDall year009
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year009

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/PA0020451 · MCP: https://passage-data.com/mcp