City of Ripley

NPDES permit TN0078191 · Major POTW · effective, expires 2030-12-31 · 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.

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

6values over a limit
1required values missing, on 1 form(s)
5of 20 forms filed late

Last period with anything received: 2026-08-31. Most often over: E. coli (5), pH (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (35)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 1 mg/L all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 55 mg/L all year
001Solids, total suspendedWKLY AVG <= 80 mg/L all year
001Solids, total suspendedDAILY MX <= 110 mg/L all year
001Solids, total suspendedMO AVG <= 1422 lb/d all year
001Solids, total suspendedWKLY AVG <= 2068 lb/d all year
001Solids, total suspendedDAILY MX <= 2844 lb/d all year
001Solids, settleableDAILY MX <= 1 mL/L all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 2 mg/L all year
001E. coliMO GEOMN <= 126 #/100mL all year
001E. coliDAILY MX <= 410 #/100mL all year
001SSO, Dry WeatherMO TOTAL <= 0 occur/mo all year
001SSO, Wet WeatherMO TOTAL <= 0 occur/mo all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 30 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 45 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 60 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 776 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1163 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1551 lb/d all year
001BOD, carbonaceous, percent removalMO AV MN >= 65 % all year
001Solids, suspended percent removalMO AV MN >= 65 % all year
INF1Solids, total suspendedMO AVG report only all year
INF1Solids, total suspendedDAILY MX report only all year
INF1Flow, in conduit or thru treatment plantMO AVG report only all year
INF1Flow, in conduit or thru treatment plantDAILY MX report only all year
INF1BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
INF1BOD, carbonaceous [5 day, 20 C]DAILY MX report only 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