City of Henderson

NPDES permit TN0064238 · Minor POTW · effective, expires 2026-11-30 · 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

7values over a limit
0required values missing, on 0 form(s)
4of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (5), BOD, 5-day, percent removal (2).

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 (33)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 1 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 50 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 65 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 225 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 250 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 325 lb/d all year
001pHDAILY MN >= 6 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 <= 500 lb/d all year
001Solids, total suspendedWKLY AVG <= 550 lb/d all year
001Solids, total suspendedDAILY MX <= 600 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]MO AVG report only all year
001Nitrogen, total [as N]ROLL AVG <= 12908 lb/d 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]ROLL AVG <= 2244 lb/yr 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 <= .6 mg/L all year
001Chlorine, total residualMO AVG <= .4 mg/L all year
001E. coliMO GEOMN <= 126 #/100mL all year
001E. coliDAILY MX <= 941 #/100mL all year
001SSO, Dry WeatherMO TOTAL <= 0 occur/mo all year
001SSO, Wet WeatherMO TOTAL <= 0 occur/mo all year
001BOD, 5-day, percent removalMO AV MN >= 65 % all year
INF1BOD, 5-day, 20 deg. CMO AVG report only all year
INF1BOD, 5-day, 20 deg. CDAILY 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