DUNCAN TWP MUNI WATER AUTH TIOGA CNTY

NPDES permit PA0229172 · Minor NON-POTW · effective, expires 2030-02-28 · 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

1values over a limit
14required values missing, on 1 form(s)
1of 10 forms filed late

Last period with anything received: 2026-06-30. Most often over: Chlorine, total residual (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (14)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedINST MAX <= 60 mg/L all year
001Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
001Iron, total [as Fe]INST MAX <= 3 mg/L all year
001Manganese, total [as Mn]MO AVG <= 1 mg/L all year
001Manganese, total [as Mn]INST MAX <= 2 mg/L all year
001Aluminum, total [as Al]MO AVG <= .75 mg/L all year
001Aluminum, total [as Al]INST MAX <= 1.5 mg/L 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 residualMO AVG <= .5 mg/L all year
001Chlorine, total residualINST MAX <= 1.6 mg/L 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