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Arcola Potw

Sewage treatment plant, Arcola, Mississippi. NPDES permit MS0037311, in force until Nov 30, 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
Last report on file
December 2025
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 0 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 average12.45 lb/d≤ 11 lb/d13%
December 2025BOD, 5-day, 20 deg. C, maximum monthly average49 mg/L≤ 16 mg/L206%
December 2025BOD, 5-day, 20 deg. C, maximum weekly average49 mg/L≤ 24 mg/L104%
December 2025BOD, 5-day, percent removal, minimum41.25 %≥ 65 %68%
December 2025E. coli, maximum monthly average2420 #/100mL≤ 126 #/100mL1821%
December 2025E. coli, maximum weekly average2420 #/100mL≤ 410 #/100mL490%
December 2025Solids, total suspended, maximum monthly average104 lb/d≤ 64 lb/d63%
December 2025Solids, total suspended, maximum monthly average236 mg/L≤ 90 mg/L162%
December 2025Solids, total suspended, maximum weekly average104 lb/d≤ 96 lb/d8%
December 2025Solids, total suspended, maximum weekly average236 mg/L≤ 135 mg/L75%

Limits in force (38)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 16 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 24 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 11 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 17 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≤ 90 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 135 mg/Lall year
Solids, total suspendedmaximum monthly average≤ 64 lb/dall year
Solids, total suspendedmaximum weekly average≤ 96 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 averagereport only (lb/d)all year
Nitrogen, total [as N]maximum weekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum monthly average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]maximum monthly average≤ 1.4 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.1 lb/dall 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≤ .085 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≥ 65 %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/MS0037311 · MCP: https://passage-data.com/mcp