WINSTONVILLE POTW

NPDES permit MS0026450 · Minor POTW · expired, expires 2025-07-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2025-07-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

5values over a limit
0required values missing, on 0 form(s)
0of 1 forms filed late

Last period with anything received: 2025-12-31. Most often over: E. coli (2), Chlorine, total residual (2), Solids, suspended percent removal (1).

Reporting

Reports are due about 29 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (51)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM report only all year
001BOD, 5-day, 20 deg. CMX MO AV <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 19 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 28 lb/d all year
001BOD, 5-day, 20 deg. CMX MO AV report only all year
001BOD, 5-day, 20 deg. CMX WK AV report only all year
001BOD, 5-day, 20 deg. CMX MO AV report only all year
001BOD, 5-day, 20 deg. CMX WK AV report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMX MO AV <= 90 mg/L all year
001Solids, total suspendedMX WK AV <= 135 mg/L all year
001Solids, total suspendedMX MO AV <= 56 lb/d all year
001Solids, total suspendedMX WK AV <= 84 lb/d all year
001Solids, total suspendedMX MO AV report only all year
001Solids, total suspendedMX WK AV report only all year
001Solids, total suspendedMX MO AV report only all year
001Solids, total suspendedMX WK AV report only all year
001Nitrogen, total [as N]MX MO AV report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]MX MO AV report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]MX MO AV report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]MX MO AV report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, ammonia total [as N]MX MO AV report only all year
001Nitrogen, ammonia total [as N]MX WK AV report only all year
001Nitrogen, ammonia total [as N]MX MO AV report only all year
001Nitrogen, ammonia total [as N]MX WK AV report only all year
001Nitrogen, ammonia total [as N]MX MO AV report only all year
001Nitrogen, ammonia total [as N]MX WK AV report only all year
001Nitrogen, ammonia total [as N]MX MO AV report only all year
001Nitrogen, ammonia total [as N]MX WK AV report only all year
001Phosphorus, total [as P]MX MO AV report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]MX MO AV report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]MX MO AV report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]MX MO AV report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Flow, in conduit or thru treatment plantMX MO AV <= .075 MGD all year
001Flow, in conduit or thru treatment plantMX WK AV report only all year
001Chlorine, total residualMX MO AV <= .011 mg/L all year
001Chlorine, total residualMX WK AV <= .019 mg/L all year
001E. coliMX MO AV <= 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

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