Passage Data · Check a report · Use it from your AI

Woodville Potw

Sewage treatment plant, Woodville, Mississippi. NPDES permit MS0054640, in force until Aug 31, 2028. Last 12 months: over a limit 12 times (last December 2025), 35 required values missing, 1 of 1 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form Y yearly
Renewal application due
Mar 4, 2028 · 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, percent removal, minimum84 %≥ 85 %7%
December 2025BOD, 5-day, percent removal, minimum84 %≥ 85 %7%
December 2025Solids, suspended percent removal, minimum0 %≥ 85 %567%
December 2025Solids, suspended percent removal, minimum0 %≥ 85 %567%
December 2025Solids, total suspended, maximum monthly average126 mg/L≤ 30 mg/L320%
December 2025Solids, total suspended, maximum monthly average126 mg/L≤ 30 mg/L320%
December 2025Solids, total suspended, maximum monthly average297 lb/d≤ 100 lb/d197%
December 2025Solids, total suspended, maximum monthly average297 lb/d≤ 100 lb/d197%
December 2025Solids, total suspended, maximum weekly average126 mg/L≤ 45 mg/L180%
December 2025Solids, total suspended, maximum weekly average126 mg/L≤ 45 mg/L180%
December 2025Solids, total suspended, maximum weekly average297 lb/d≤ 150 lb/d98%
December 2025Solids, total suspended, maximum weekly average297 lb/d≤ 150 lb/d98%

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≤ 23 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 50 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 75 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≤ 100 lb/dall year
Solids, total suspendedmaximum weekly average≤ 150 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≤ 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≤ 4.57 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 6.85 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≤ .4 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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0054640 · MCP: https://passage-data.com/mcp