CASCO BAY ENERGY COMPANY, LLC

NPDES permit ME0036188 · Major NON-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

0values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

Last period with anything received: 2026-08-31.

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
001Temperature, water deg. fahrenheitDAILY MX <= 100 deg F all year
001pHMINIMUM >= 6 SU Mar, Jun, Sep, Dec
001pHMAXIMUM <= 9 SU Mar, Jun, Sep, Dec
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedMO AVG <= 137 lb/d all year
001Solids, total suspendedDAILY MX <= 457 lb/d all year
001Oil & GreaseMO AVG <= 15 mg/L Mar, Jun, Sep, Dec
001Oil & GreaseDAILY MX <= 20 mg/L Mar, Jun, Sep, Dec
001Chromium, total [as Cr]DAILY MX <= .2 mg/L Mar, Jun, Sep, Dec
001Chromium, total [as Cr]DAILY MX <= 1.04 lb/d Mar, Jun, Sep, Dec
001Zinc, total [as Zn]DAILY MX <= 1 mg/L Mar, Jun, Sep, Dec
001Zinc, total [as Zn]DAILY MX <= 12 lb/d Mar, Jun, Sep, Dec
001Flow, in conduit or thru treatment plantDAILY MX <= 1.96 MGD all year
001Chlorine, free availableMO AVG <= .2 mg/L all year
001Chlorine, free availableDAILY MX <= .5 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