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

Mantachie Potw

Sewage treatment plant, Mantachie, Mississippi. NPDES permit MS0047350, in force until Jun 30, 2030. Last 12 months: over a limit once (last July 2026), 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (13 values), form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 13 reports late

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

Period endingParameterReportedLimitOver by
July 2026Oxygen, dissolved [DO], minimum3 mg/L≥ 6 mg/L50%

Limits in force (23)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly totalreport only (lb/mo)all year
BOD, 5-day, 20 deg. Cannual average≤ 45 lb/dall year
BOD, 5-day, 20 deg. Cmaximum monthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly totalreport only (lb/mo)all year
BOD, 5-day, 20 deg. Cannual 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 suspendedmonthly totalreport only (lb/mo)all year
Solids, total suspendedannual average≤ 90 lb/dall year
Solids, total suspendedmaximum monthly averagereport only (mg/L)all year
Solids, total suspendedmonthly totalreport only (lb/mo)all year
Solids, total suspendedannual averagereport only (lb/d)all year
Nitrogen, total [as N]annual averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly totalreport only (lb/mo)all year
Nitrogen, ammonia total [as N]annual average≤ 40 lb/dall year
Phosphorus, total [as P]annual averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all year
Flow, in conduit or thru treatment plantannual average≤ .24 MGDall year
BOD, 5-day, percent removalminimum≥ 65 %all year
Solids, suspended percent removalminimum≥ 65 %all year

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/MS0047350 · MCP: https://passage-data.com/mcp