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Evonik Corporation

Industrial Inorganic Chemicals, Goose Creek, South Carolina. NPDES permit SC0049301 expired May 31, 2021; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (20 values), form 3 monthly (4 values), form 2 every 60 months
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (25)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitinstantaneous maximum≤ 120 deg Fall year
Oxygen demand, ultimatemonthly averagereport only (lb/d)all year
Oxygen demand, ultimatedaily maximumreport only (lb/d)all year
Oxygen, dissolved [DO]monthly average minimum≥ 4 mg/Lall year
BOD, [ult. all stages]daily maximumreport only (mg/L)all year
pHinstantaneous minimumreport only (SU)all year
pHinstantaneous maximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 100 mg/Lall year
Solids, total suspendeddaily maximum≤ 200 mg/Lall year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all 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
Length of longest pH excursioninstantaneous maximum≤ 60 minall year
% of time exceeding pH limitsinstantaneous maximum≤ 1 %all year
Carbonaceous BOD, 5 day, 20 deg C filtrdmonthly averagereport only (mg/L)all year
Carbonaceous BOD, 5 day, 20 deg C filtrddaily maximumreport only (mg/L)all year
Carbonaceous BOD, 5 day, 20 deg C filtrdmonthly averagereport only (lb/d)all year
Carbonaceous BOD, 5 day, 20 deg C filtrddaily maximumreport only (lb/d)all year
LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)daily maximumreport only (%)all year
% Effect Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average≤ 25 %all year
% Effect Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)daily maximum≤ 40 %all year
Pass/Fail Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)daily maximum≤ 0 pass=0;fail=1all year

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

Same industry: the 24 Chemicals and Allied Products permits in South Carolina.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SC0049301 · MCP: https://passage-data.com/mcp