Milford Power Company LLC

NPDES permit CT0030309 · Major NON-POTW · administratively continued, expires 2013-01-31 · 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.

This permit expired on 2013-01-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

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

Reporting

Reports are due about 30 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (45)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MAX <= 96 deg F all year
001Flow rateMO AVG <= 1.52 MGD all year
001Flow rateDAILY MX <= 4000 gal/min all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001SalinityDAILY MX report only Jan, Apr, Jul, Oct
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, nitrite total [as N]MO AVG report only all year
001Nitrogen, nitrite total [as N]DAILY MX report only all year
001Nitrogen, nitrite total [as N]MO AVG report only all year
001Nitrogen, nitrite total [as N]DAILY MX report only all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]DAILY MX report only all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MN report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Chromium, total [as Cr]MO AVG <= .2 mg/L all year
001Chromium, total [as Cr]DAILY MX <= .2 mg/L all year
001Copper, total [as Cu]MO AVG <= .086 mg/L all year
001Copper, total [as Cu]DAILY MX <= .174 mg/L all year
001Lead, total [as Pb]MO AVG report only Jan, Apr, Jul, Oct
001Lead, total [as Pb]DAILY MX report only Jan, Apr, Jul, Oct
001Nickel, total [as Ni]MO AVG report only Jan, Apr, Jul, Oct
001Nickel, total [as Ni]DAILY MX report only Jan, Apr, Jul, Oct
001Zinc, total [as Zn]MO AVG <= 1 mg/L all year
001Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
001Flow, maximum during 24 hr periodDAILY MX <= 4.54 MGD all year
001Chlorine, total residualMO AVG report only Jan, Apr, Jul, Oct
001Chlorine, total residualDAILY MX report only Jan, Apr, Jul, Oct
001Chlorine, free availableMO AVG <= .2 mg/L all year
001Chlorine, free availableDAILY MX <= .5 mg/L all year
001FlowMO AVG report only all year
001FlowDAILY MX <= 4.54 MGD all year
001LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 90 % Jan, Apr, Jul, Oct
001LC50 Static 48Hr Acute Cyprinodon variegatusMINIMUM >= 90 % Jan, Apr, Jul, Oct

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