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Mississippi Band of Choctaw Indians (Tucker WWTF)

Sewage treatment plant, Philadelphia, Mississippi. NPDES permit MS0040924, in force until May 31, 2028. Last 12 months: over a limit 9 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 57 days after each period: form 1 quarterly (36 values), form 2 quarterly (8 values)
Renewal application due
Dec 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 2 of 16 reports late

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

Period endingParameterReportedLimitOver by
November 2025E. coli, daily maximum1414 #/100mL≤ 410 #/100mL245%
November 2025Solids, suspended percent removal, minimum74 %≥ 85 %73%
November 2025Solids, total suspended, monthly average46 mg/L≤ 30 mg/L53%
November 2025Solids, total suspended, weekly average46 mg/L≤ 45 mg/L2%
December 2025Solids, suspended percent removal, minimum84 %≥ 85 %7%
February 2026Solids, suspended percent removal, minimum80 %≥ 85 %33%
February 2026Solids, total suspended, monthly average38 mg/L≤ 30 mg/L27%
March 2026E. coli, daily maximum2420 #/100mL≤ 410 #/100mL490%
March 2026E. coli, monthly average492 #/100mL≤ 126 #/100mL290%

Limits in force (52)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 1.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 1.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 2.25 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 2.25 mg/LJan, Feb, Mar, Apr, Nov, Dec
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Chlorine, total residualdaily maximum≤ .011 mg/Lall year
Chlorine, total residualdaily maximum≤ .011 mg/Lall year
E. colimonthly average≤ 126 #/100mLall year
E. colimonthly average≤ 126 #/100mLall year
E. colidaily maximum≤ 410 #/100mLall year
E. colidaily maximum≤ 410 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 7 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 7 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 10.5 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 10.5 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous, percent removalminimum≥ 85 %all year
BOD, carbonaceous, percent removalminimum≥ 85 %all year
Solids, suspended 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/MS0040924 · MCP: https://passage-data.com/mcp