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Evonik Corp

Industrial Inorganic Chemicals, Chester, Pennsylvania. NPDES permit PA0051713, in force until Mar 31, 2029. Last 12 months: no values over a limit, 14 required values missing, 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (14 values), outfall 001 form Q quarterly (3 values), outfall 001 form Y yearly, outfall 002 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 1 required value missing, 1 of 19 reports late

Limits in force (28)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitinstantaneous maximum≤ 110 deg Fall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 100 mg/Lall year001
Solids, total suspendeddaily maximum≤ 200 mg/Lall year001
Solids, total suspendedmonthly average≤ 1501 lb/dall year001
Solids, total suspendeddaily maximum≤ 3002 lb/dall year001
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year001
Lead, total [as Pb]quarterly averagereport only (mg/L)all 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
PCBs Dry Weather Analysisdaily maximumreport only (pg/L)all year001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 8.4 tox acuteall year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ 8.4 tox acuteall year001
Solids, total dissolvedmonthly average≤ 30000 mg/Lall year001
Solids, total dissolveddaily maximum≤ 32000 mg/Lall year001
Solids, total dissolvedmonthly average≤ 450360 lb/dall year001
Solids, total dissolveddaily maximum≤ 480384 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year002
pHdaily maximumreport only (SU)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Iron, total [as Fe]daily maximumreport only (mg/L)all year002
Lead, total [as Pb]daily maximumreport only (mg/L)all year002
Zinc, total [as Zn]daily maximumreport only (mg/L)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L)all year002

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

Same industry: the 66 Chemicals and Allied 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/PA0051713 · MCP: https://passage-data.com/mcp