KOSCIUSKO POTW, SOUTH

NPDES permit MS0027774 · Major POTW · effective, expires 2027-12-31 · 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

15values over a limit
140required values missing, on 6 form(s)
7of 16 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, suspended percent removal (7), E. coli (4), Solids, total suspended (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (60)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO TOTAL report only all year
001BOD, 5-day, 20 deg. CANNL AVG <= 512 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMX WK AV report only all year
001BOD, 5-day, 20 deg. CMO TOTAL report only all year
001BOD, 5-day, 20 deg. CANNL AVG report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 90 mg/L all year
001Solids, total suspendedMX WK AV <= 135 mg/L all year
001Solids, total suspendedMO TOTAL report only all year
001Solids, total suspendedANNL AVG <= 1537 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMX WK AV report only all year
001Solids, total suspendedMO TOTAL report only all year
001Solids, total suspendedANNL AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]MO TOTAL report only all year
001Nitrogen, total [as N]ANNL AVG <= 196.56 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]ANNL AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MX WK AV <= 15 mg/L all year
001Nitrogen, ammonia total [as N]MO TOTAL report only all year
001Nitrogen, ammonia total [as N]ANNL AVG <= 170 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MX WK AV report only all year
001Nitrogen, ammonia total [as N]MO TOTAL report only all year
001Nitrogen, ammonia total [as N]ANNL AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Phosphorus, total [as P]ANNL AVG <= 47.11 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]ANNL AVG report only all year
001Selenium, total recoverableMX MO AV report only all year
001Selenium, total recoverableMX WK AV report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableMX WK AV report only all year
001Flow, in conduit or thru treatment plantMO TOTAL report only all year
001Flow, in conduit or thru treatment plantANNL AVG <= 2.048 MGD all year
001Flow, in conduit or thru treatment plantMO TOTAL report only all year
001Chlorine, total residualMO AVG <= .091 mg/L all year
001Chlorine, total residualMX WK AV <= .751 mg/L all year
001E. coliMO AVG <= 126 #/100mL all year
001E. coliMX WK AV <= 410 #/100mL all year
001BOD, 5-day, percent removalMINIMUM >= 65 % all year
001Solids, suspended percent removalMINIMUM >= 65 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM >= 12.11 % all year
001%Effect Static Renewal 7Day Chronic Pimephales promelasMINIMUM >= 12.11 % 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