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

Indianola Potw

Sewage treatment plant, major discharger, Indianola, Mississippi. NPDES permit MS0024619, in force until Oct 31, 2028. Last 12 months: over a limit 4 times (last December 2025), 445 required values missing, 6 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form A monthly (49 values), form Q quarterly
Renewal application due
May 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
March 2026
Oct 2024 – Sep 2025
15 values over a limit, 396 required values missing, 13 of 16 reports late

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

Period endingParameterReportedLimitOver by
December 2025%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum2.623 %≥ 10.4 %75%
December 2025%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum2.623 %≥ 10.4 %75%
December 2025%Effect Static Renewal 7Day Chronic Pimephales promelas, minimum3.739 %≥ 10.4 %64%
December 2025%Effect Static Renewal 7Day Chronic Pimephales promelas, minimum3.739 %≥ 10.4 %64%

Limits in force (51)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 65 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 844 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 1220 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly 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 suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 1689 lb/dall year
Solids, total suspendedmaximum weekly average≤ 2534 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedmaximum weekly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum weekly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum weekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]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]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]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]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum weekly averagereport only (lb/d)all year
Zinc, total recoverablemonthly averagereport only (mg/L)all year
Zinc, total recoverablemaximum weekly averagereport only (mg/L)all year
Copper, total recoverablemonthly averagereport only (mg/L)all year
Copper, total recoverablemaximum weekly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 2.25 MGDall year
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year
Chlorine, total residualmonthly average≤ .106 mg/Lall year
Chlorine, total residualmaximum weekly average≤ .185 mg/Lall year
E. colimonthly average≤ 126 #/100mLall year
E. colimaximum weekly average≤ 410 #/100mLall year
Cyanide, total recoverablemonthly averagereport only (mg/L)all year
Cyanide, total recoverablemaximum weekly averagereport only (mg/L)all year
BOD, 5-day, percent removalminimum≥ 65 %all year
Solids, suspended percent removalminimum≥ 65 %all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum≥ 10.4 %all year
%Effect Static Renewal 7Day Chronic Pimephales promelasminimum≥ 10.4 %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/MS0024619 · MCP: https://passage-data.com/mcp