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Sandersville Potw

Sewage treatment plant, Sandersville, Mississippi. NPDES permit MS0020486, in force until Dec 31, 2026. Last 12 months: over a limit 11 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Y yearly
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
December 2025
Oct 2024 – Sep 2025
10 values over a limit, 0 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 average15 lb/d≤ 13 lb/d15%
December 2025BOD, 5-day, percent removal, minimum72.1 %≥ 85 %86%
December 2025Chlorine, total residual, maximum monthly average.09 mg/L≤ .046 mg/L96%
December 2025Chlorine, total residual, maximum weekly average1 mg/L≤ .08 mg/L1150%
December 2025E. coli, maximum monthly average1561 #/100mL≤ 126 #/100mL1139%
December 2025E. coli, maximum weekly average≥ 2420 #/100mL≤ 410 #/100mL490%
December 2025Nitrogen, ammonia total [as N], maximum monthly average23.1 mg/L≤ 4 mg/L478%
December 2025Nitrogen, ammonia total [as N], maximum monthly average8.3 lb/d≤ 3 lb/d177%
December 2025Nitrogen, ammonia total [as N], maximum weekly average10.6 lb/d≤ 5 lb/d112%
December 2025Nitrogen, ammonia total [as N], maximum weekly average24.8 mg/L≤ 6 mg/L313%
December 2025Solids, suspended percent removal, minimum75 %≥ 85 %67%

Limits in force (35)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 22.5 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 13 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 19 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≤ 26 lb/dall year
Solids, total suspendedmaximum weekly average≤ 38 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, ammonia total [as N]maximum monthly average≤ 4 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 6 mg/Lall year
Nitrogen, ammonia total [as N]maximum monthly average≤ 3 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 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
Flow, in conduit or thru treatment plantmaximum monthly average≤ .102 MGDall year
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year
Chlorine, total residualmaximum monthly average≤ .046 mg/Lall year
Chlorine, total residualmaximum weekly average≤ .08 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0020486 · MCP: https://passage-data.com/mcp