City of Piperton

NPDES permit TN0080764 · Major POTW · effective, expires 2028-06-30 · 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

0values over a limit
0required values missing, on 0 form(s)
2of 24 forms filed late

Last period with anything received: 2026-08-31.

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 (47)

OutfallParameterStatisticLimitMonths
001Hydrogen peroxideMO AVG report only all year
001Hydrogen peroxideDAILY MX report only all year
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedWKLY AVG <= 25 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 500 lb/d all year
001Solids, total suspendedWKLY AVG <= 625 lb/d all year
001Solids, settleableDAILY MX <= 1 mL/L all year
001Nitrogen, total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]ANNL TOT <= 45662 lb/yr May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 7.5 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 125 lb/d all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 187 lb/d all year
001Phosphorus, total [as P]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]ANNL TOT <= 9132 lb/yr May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001E. coliMO GEOMN <= 126 #/100mL all year
001E. coliDAILY MX <= 941 #/100mL all year
001Peracetic AcidMO AVG report only all year
001Peracetic AcidDAILY MX report only 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 <= 20 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 30 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 500 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 625 lb/d all year
001BOD, carbonaceous, percent removalDAILY MN >= 40 % all year
001BOD, carbonaceous, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalDAILY MN >= 40 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM > 3.6 % all year
001IC25 Static Renewal 7 Day Chronic ChrpimephalesMINIMUM > 3.6 % 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