BATH IRON WORKS CORPORATION

NPDES permit ME0001732 · Minor NON-POTW · effective, expires 2027-03-31 · 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
0required values missing, on 0 form(s)
0of 12 forms filed late

Last period with anything received: 2026-06-30.

Reporting

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

Limits in force (16)

OutfallParameterStatisticLimitMonths
005Temperature, water deg. fahrenheitDAILY MX <= 130 deg F Mar, Jun, Sep, Dec
005pHMINIMUM >= 6 SU Mar, Jun, Sep, Dec
005pHMAXIMUM <= 8.5 SU Mar, Jun, Sep, Dec
005Flow, in conduit or thru treatment plantMO AVG <= 132000 gal/d Mar, Jun, Sep, Dec
005Flow, in conduit or thru treatment plantDAILY MX <= 650000 gal/d Mar, Jun, Sep, Dec
006pHMINIMUM >= 6 SU Mar, Jun, Sep, Dec
006pHMAXIMUM <= 8.5 SU Mar, Jun, Sep, Dec
006Oil and grease, hexane extr methodDAILY MX <= 15 mg/L Mar, Jun, Sep, Dec
006PolyramDAILY MX <= 60 ug/L Mar, Jun, Sep, Dec
006PolyramDAILY MX report only Mar, Jun, Sep, Dec
006Flow, in conduit or thru treatment plantDAILY MX <= 800000 gal/d Mar, Jun, Sep, Dec
007Temperature, water deg. fahrenheitDAILY MX <= 130 deg F Mar, Jun, Sep, Dec
007pHMINIMUM >= 6 SU Mar, Jun, Sep, Dec
007pHMAXIMUM <= 8.5 SU Mar, Jun, Sep, Dec
007Flow, in conduit or thru treatment plantMO AVG <= 45000 gal/d Mar, Jun, Sep, Dec
007Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Sep, Dec

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