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GCP Laboratories Inc

Pharmaceutical Preparations, Gulfport, Mississippi. NPDES permit MS0002020, in force until Feb 29, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (26 values), form S twice a year
Renewal application due
Sep 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 14 reports late

Limits in force (28)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year
Sulfate [as S]monthly averagereport only (mg/L)all year
Sulfate [as S]daily maximumreport only (mg/L)all year
Sulfate [as S]monthly averagereport only (lb/d)all year
Sulfate [as S]daily maximumreport only (lb/d)all year
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 4.2 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 6.3 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 25 mg/Lall year
Solids, total suspendeddaily maximum≤ 50 mg/Lall year
Solids, total suspendedmonthly average≤ 10.4 lb/dall year
Solids, total suspendeddaily maximum≤ 20.9 lb/dall year
Copper, total recoverablemonthly average≤ .022 mg/Lall year
Copper, total recoverabledaily maximum≤ .034 mg/Lall year
Copper, total recoverablemonthly average≤ .01 lb/dall year
Copper, total recoverabledaily maximum≤ .014 lb/dall 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
Chemical Oxygen Demand [COD]monthly average≤ 86 mg/Lall year
Chemical Oxygen Demand [COD]daily maximum≤ 228 mg/Lall year
Chemical Oxygen Demand [COD]monthly average≤ 36 lb/dall year
Chemical Oxygen Demand [COD]daily maximum≤ 95 lb/dall year
% Effect Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 14.3 %all year
%Effect Static Renewal 7Day Chronic Menidiaminimum≥ 14.3 %all year

How strict are these limits?

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

Same industry: the 23 Chemicals and Allied Products permits in Mississippi.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0002020 · MCP: https://passage-data.com/mcp