Town of Olla- Olla WWTP

NPDES permit LA0032379 · Minor POTW · effective, expires 2029-02-28 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

9values over a limit
0required values missing, on 0 form(s)
0of 14 forms filed late

Last period with anything received: 2026-06-30. Most often over: Coliform, fecal general (5), Nitrogen, ammonia total [as N] (4).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among LA permits in EPA's filings — check your permit).

Limits in force (40)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
001Oxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
001pHINST MIN >= 6 SU all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedWKLY AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 35 lb/d all year
001Solids, total suspendedMO AVG <= 35 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 10 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 9 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 9 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Chlorine, total residualINST MAX report only all year
001Chlorine, total residualINST MAX report only all year
001Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
001Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
001Coliform, fecal generalWE <= 400 #/100mL all year
001Coliform, fecal generalWE <= 400 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 30 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 30 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 35 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 35 lb/d all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states