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Raymond Potw, East

Sewage treatment plant, Raymond, Mississippi. NPDES permit MS0025852, in force until May 31, 2031. Last 12 months: over a limit 9 times (last March 2026), 51 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Q quarterly
Last report on file
March 2026
Oct 2024 – Sep 2025
16 values over a limit, 0 required values missing, 0 of 4 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, maximum monthly average20 mg/L≤ 8 mg/L150%
December 2025BOD, 5-day, 20 deg. C, maximum weekly average20 mg/L≤ 12 mg/L67%
December 2025Flow, in conduit or thru treatment plant, maximum monthly average.9 MGD≤ .6 MGD50%
December 2025Solids, suspended percent removal, minimum54 %≥ 85 %207%
December 2025Solids, total suspended, maximum monthly average41 mg/L≤ 30 mg/L37%
March 2026BOD, 5-day, 20 deg. C, maximum monthly average32 mg/L≤ 8 mg/L300%
March 2026BOD, 5-day, 20 deg. C, maximum weekly average32 mg/L≤ 12 mg/L167%
March 2026Copper, total recoverable, maximum monthly average.008 mg/L≤ .006 mg/L33%
March 2026Solids, total suspended, maximum monthly average40 mg/L≤ 30 mg/L33%

Limits in force (51)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 8 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 12 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 40 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 60 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≤ 150 lb/dall year
Solids, total suspendedmaximum weekly average≤ 225 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 monthly average≤ 57.55 lb/dall year
Nitrogen, total [as N]maximum weekly average≤ 86.33 lb/dall year
Nitrogen, ammonia total [as N]maximum monthly average≤ 1 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.5 mg/Lall year
Nitrogen, ammonia total [as N]maximum monthly average≤ 5 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 7.5 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 average≤ 16.39 lb/dall year
Phosphorus, total [as P]maximum weekly average≤ 24.59 lb/dall year
Cadmium, total recoverablemaximum monthly average≤ .00019 mg/Lall year
Cadmium, total recoverablemaximum weekly average≤ .00127 mg/Lall year
Lead, total recoverablemaximum monthly average≤ .001 mg/Lall year
Lead, total recoverablemaximum weekly average≤ .037 mg/Lall year
Copper, total recoverablemaximum monthly average≤ .006 mg/Lall year
Copper, total recoverablemaximum weekly average≤ .008 mg/Lall year
Flow, in conduit or thru treatment plantmaximum monthly average≤ .6 MGDall year
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year
Chlorine, total residualmaximum monthly average≤ .014 mg/Lall year
Chlorine, total residualmaximum weekly average≤ .023 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
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum≥ 80.85 %all year
%Effect Static Renewal 7Day Chronic Pimephales promelasminimum≥ 80.85 %all year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0025852 · MCP: https://passage-data.com/mcp