NEW HAVEN COMBINED SEWER COLLECTION SYSTEM

NPDES permit INM020346 · Minor POTW · effective, expires 2027-05-31 · 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

0values over a limit
3required values missing, on 3 form(s)
4of 22 forms filed late

Last period with anything received: 2026-07-31.

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 (15)

OutfallParameterStatisticLimitMonths
001DurationMO TOTAL report only all year
001Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
001Precipitation, monthly accumulationMO TOTAL report only all year
001Discharge event observation [Visual Monitoring]MO TOTAL report only all year
101pHDAILY MN report only all year
101pHDAILY MX report only all year
101Solids, total suspendedMO AVG report only all year
101Solids, total suspendedDAILY MX report only all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101E. coli, colony forming units [CFU]MO GEO report only Apr, May, Jun, Jul, Aug, Sep, Oct
101E. coli, colony forming units [CFU]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
101BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
101BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
101Flow, totalMO TOTAL 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