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Cheneyville, Town of

Sewage treatment plant, Cheneyville, Louisiana. NPDES permit LA0059927, in force until May 31, 2029. Last 12 months: over a limit 25 times (last March 2026), 93 required values missing, 7 of 21 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (7 values), outfall 001 form A quarterly, outfall 01A form A quarterly
Last report on file
March 2026
Oct 2024 – Sep 2025
72 values over a limit, 10 required values missing, 2 of 28 reports late

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

All 25 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025001BOD, carbonaceous [5 day, 20 C], monthly average26.74 mg/L≤ 10 mg/L167%
October 2025001BOD, carbonaceous [5 day, 20 C], weekly average26.74 mg/L≤ 15 mg/L78%
October 2025001Coliform, fecal general, monthly geometric mean980 #/100mL≤ 200 #/100mL390%
October 2025001Coliform, fecal general, weekly geometric mean980 #/100mL≤ 400 #/100mL145%
October 2025001Solids, total suspended, monthly average23.24 lb/d≤ 22 lb/d6%
October 2025001Solids, total suspended, monthly average72 mg/L≤ 15 mg/L380%
October 2025001Solids, total suspended, weekly average72 mg/L≤ 23 mg/L213%
October 202501ANitrogen, ammonia total [as N], monthly average17.5 mg/L≤ 2 mg/L775%
October 202501ANitrogen, ammonia total [as N], monthly average5.65 lb/d≤ 3 lb/d88%
October 202501ANitrogen, ammonia total [as N], weekly average17.5 mg/L≤ 4 mg/L338%
January 2026001BOD, carbonaceous [5 day, 20 C], monthly average235.9 mg/L≤ 20 mg/L1080%
January 2026001Coliform, fecal general, monthly geometric mean> 2419.6 #/100mL≤ 200 #/100mL—
January 2026001Coliform, fecal general, weekly geometric mean> 2419.6 #/100mL≤ 400 #/100mL—
January 2026001Solids, total suspended, monthly average23 mg/L≤ 20 mg/L15%
January 202601ANitrogen, ammonia total [as N], monthly average18.5 mg/L≤ 10 mg/L85%
January 202601ANitrogen, ammonia total [as N], weekly average21.3 mg/L≤ 20 mg/L7%
February 2026001BOD, carbonaceous [5 day, 20 C], monthly average26 mg/L≤ 20 mg/L30%
February 2026001Coliform, fecal general, monthly geometric mean> 2419.6 #/100mL≤ 200 #/100mL—
February 2026001Coliform, fecal general, weekly geometric mean> 2419.6 #/100mL≤ 400 #/100mL—
February 2026001Solids, total suspended, monthly average24 mg/L≤ 20 mg/L20%
February 202601ANitrogen, ammonia total [as N], monthly average17.1 mg/L≤ 10 mg/L71%
March 2026001Coliform, fecal general, weekly geometric mean2419.6 #/100mL≤ 400 #/100mL505%
March 2026001Solids, total suspended, monthly average29 mg/L≤ 20 mg/L45%
March 2026001Solids, total suspended, weekly average48 mg/L≤ 30 mg/L60%
March 202601ANitrogen, ammonia total [as N], monthly average12.1 mg/L≤ 10 mg/L21%

Limits in force (63)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/LApr–Oct001
Solids, total suspendedmonthly average≤ 15 mg/LApr–Oct001
Solids, total suspendedmonthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec001
Solids, total suspendedmonthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec001
Solids, total suspendedweekly average≤ 23 mg/LApr–Oct001
Solids, total suspendedweekly average≤ 23 mg/LApr–Oct001
Solids, total suspendedweekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec001
Solids, total suspendedweekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec001
Solids, total suspendedmonthly average≤ 22 lb/dApr–Oct001
Solids, total suspendedmonthly average≤ 22 lb/dApr–Oct001
Solids, total suspendedmonthly average≤ 29 lb/dJan, Feb, Mar, Nov, Dec001
Solids, total suspendedmonthly average≤ 29 lb/dJan, Feb, Mar, Nov, Dec001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]weekly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]weekly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)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
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year001
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year001
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year001
Solids, total dissolvedmonthly average≤ 685 lb/dall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LApr–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LApr–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LApr–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LApr–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 29 lb/dJan, Feb, Mar, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 29 lb/dJan, Feb, Mar, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 lb/dApr–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 lb/dApr–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LApr–Oct01A
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LApr–Oct01A
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 3.4 mg/LJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 3.4 mg/LJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]weekly average≤ 4 mg/LApr–Oct01A
Nitrogen, ammonia total [as N]weekly average≤ 4 mg/LApr–Oct01A
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]weekly average≤ 8 mg/LJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]weekly average≤ 8 mg/LJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 3 lb/dApr–Oct01A
Nitrogen, ammonia total [as N]monthly average≤ 3 lb/dApr–Oct01A
Nitrogen, ammonia total [as N]monthly average≤ 15 lb/dJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 15 lb/dJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 4.9 lb/dJan, Feb, Mar, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 4.9 lb/dJan, Feb, Mar, Nov, Dec01A

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/LA0059927 · MCP: https://passage-data.com/mcp