City of Loretto

NPDES permit TN0065501 · Minor POTW · effective, expires 2027-09-30 · 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

5values over a limit
0required values missing, on 0 form(s)
0of 24 forms filed late

Last period with anything received: 2026-08-31. Most often over: SSO, Dry Weather (3), SSO, Wet Weather (2).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among TN permits in EPA's filings — check your permit).

Limits in force (42)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 1 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 100 mg/L all year
001Solids, total suspendedWKLY AVG <= 110 mg/L all year
001Solids, total suspendedDAILY MX <= 120 mg/L all year
001Solids, total suspendedMO AVG <= 188 lb/d all year
001Solids, total suspendedWKLY AVG <= 206 lb/d all year
001Solids, total suspendedDAILY MX <= 225 lb/d all year
001Solids, settleableDAILY MX <= 1 mL/L all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 15 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 28 lb/d all year
001Nitrogen, ammonia total [as N]WKLY AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG 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 <= 1.34 mg/L all year
001E. coliMO GEOMN <= 126 #/100mL all year
001E. coliDAILY MX <= 487 #/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 <= 40 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 <= 75 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 84 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 113 lb/d all year
001BOD, carbonaceous, percent removalMO AV MN >= 65 % 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