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Centreville Potw, North

Sewage treatment plant, Centreville, Mississippi. NPDES permit MS0025488, in force until Jul 31, 2028. Last 12 months: over a limit 10 times (last December 2025), 1 of 1 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Y yearly
Renewal application due
Feb 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
December 2025
Oct 2024 – Sep 2025
11 values over a limit, 8 required values missing, 1 of 1 report late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, maximum monthly average22 mg/L≤ 10 mg/L120%
December 2025BOD, 5-day, 20 deg. C, maximum weekly average22 mg/L≤ 15 mg/L47%
December 2025BOD, 5-day, percent removal, minimum35 %≥ 85 %333%
December 2025E. coli, maximum monthly average2827 #/100mL≤ 126 #/100mL2144%
December 2025E. coli, maximum weekly average2827 #/100mL≤ 410 #/100mL590%
December 2025Nitrogen, ammonia total [as N], maximum monthly average22 mg/L≤ 1.37 mg/L1506%
December 2025Nitrogen, ammonia total [as N], maximum weekly average22 mg/L≤ 2.05 mg/L973%
December 2025Oxygen, dissolved [DO], minimum2.9 mg/L≥ 6 mg/L52%
December 2025Solids, suspended percent removal, minimum< 0 %≥ 85 %—
December 2025Solids, total suspended, maximum monthly average39 mg/L≤ 30 mg/L30%

Limits in force (43)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 14 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 21 lb/dall year
BOD, 5-day, 20 deg. Cmaximum monthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum monthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmaximum monthly average≤ 41 lb/dall year
Solids, total suspendedmaximum weekly average≤ 62 lb/dall year
Solids, total suspendedmaximum monthly averagereport only (mg/L)all year
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year
Solids, total suspendedmaximum monthly averagereport only (lb/d)all year
Solids, total suspendedmaximum weekly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum monthly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum weekly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum weekly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum monthly average≤ 1.37 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.05 mg/Lall year
Nitrogen, ammonia total [as N]maximum monthly average≤ 1.88 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.82 lb/dall year
Nitrogen, ammonia total [as N]maximum monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]maximum monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum monthly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum weekly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum monthly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum weekly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmaximum monthly average≤ .165 MGDall year
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year
Chlorine, total residualmaximum monthly average≤ .011 mg/Lall year
Chlorine, total residualmaximum weekly average≤ .019 mg/Lall year
E. colimaximum monthly average≤ 126 #/100mLall year
E. colimaximum weekly average≤ 410 #/100mLall year
BOD, 5-day, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 85 %all 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/MS0025488 · MCP: https://passage-data.com/mcp