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Rapides Parish Sewerage District No. 1 - Grundy Cooper Subdivision

Sewage treatment plant, Alexandria, Louisiana. NPDES permit LA0039012, in force until Mar 31, 2028. Last 12 months: over a limit 8 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (14 values), outfall 001 form Q quarterly (4 values), outfall 002 form A quarterly (17 values), outfall 002 form Q quarterly (6 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 32 reports late

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

Period endingOutfallParameterReportedLimitOver by
February 2026001Nitrogen, ammonia total [as N], monthly average5 mg/L≤ 2 mg/L150%
February 2026001Nitrogen, ammonia total [as N], weekly average5 mg/L≤ 4 mg/L25%
April 2026001Chlorine, total residual, instantaneous maximum7.2 mg/L≤ .033 mg/L21718%
April 2026002Chlorine, total residual, instantaneous maximum1.2 mg/L≤ .033 mg/L3536%
May 2026001Chlorine, total residual, instantaneous maximum6 mg/L≤ .033 mg/L18082%
May 2026002Chlorine, total residual, instantaneous maximum2 mg/L≤ .033 mg/L5961%
June 2026001Chlorine, total residual, instantaneous maximum.44 mg/L≤ .033 mg/L1233%
June 2026002Chlorine, total residual, instantaneous maximum2 mg/L≤ .033 mg/L5961%

Limits in force (46)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedweekly average≤ 23 mg/Lall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]weekly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 4 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]weekly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year001
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year001
Solids, total dissolvedmonthly average≤ 568 lb/dall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/LJan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LJun–Aug001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 10 mg/LJan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LJun–Aug001
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 15 mg/Lall year002
Solids, total suspendedweekly average≤ 23 mg/Lall year002
Solids, total suspendedmonthly average≤ 13 lb/dall year002
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, total [as N]weekly averagereport only (mg/L)all year002
Nitrogen, total [as N]monthly averagereport only (lb/d)all year002
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year002
Nitrogen, ammonia total [as N]weekly average≤ 4 mg/Lall year002
Nitrogen, ammonia total [as N]monthly average≤ 2 lb/dall year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]weekly averagereport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (lb/d)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year002
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year002
Solids, total dissolvedmonthly average≤ 622 lb/dall year002
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year002
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/LJan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LJun–Aug002
BOD, carbonaceous [5 day, 20 C]weekly average≤ 10 mg/LJan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec002
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LJun–Aug002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4 lb/dJan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 lb/dJun–Aug002

How strict are these limits?

Cited limits by parameter: Louisiana'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/LA0039012 · MCP: https://passage-data.com/mcp