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Warren County Port Commission, Ceres Industrial Interplex

Sewerage Systems, Vicksburg, Mississippi. NPDES permit MS0044202, in force until Aug 31, 2027. Last 12 months: over a limit once (last December 2025), 5 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (33 values)
Renewal application due
Mar 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
32 values over a limit, 35 required values missing, 6 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025E. coli, daily maximum1050 #/100mL≤ 410 #/100mL156%

Limits in force (33)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 70 mg/Lall year
Solids, total suspendeddaily maximum≤ 105 mg/Lall year
Solids, total suspendedmonthly average≤ 876 lb/dall year
Solids, total suspendeddaily maximum≤ 1314 lb/dall year
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasemonthly average≤ 125 lb/dall year
Oil & Greasedaily maximum≤ 188 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]daily maximumreport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 18 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 27 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 225 lb/dall year
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly average≤ 1.5 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly averagereport only (mg/L)all year
Chlorine, total residualdaily maximum≤ .41 mg/Lall year
E. colimonthly average≤ 126 #/100mLall year
E. colidaily maximum≤ 410 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 45 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 375 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 563 lb/dall year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0044202 · MCP: https://passage-data.com/mcp