NORTHEAST FISHERIES SCIENCE

NPDES permit CT0090182 · Minor FEDERAL · effective, expires 2028-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
2required values missing, on 2 form(s)
2of 26 forms filed late

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

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 (38)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU Apr, Oct
001pHINST MAX <= 9 SU Apr, Oct
001Solids, total suspendedDAILY MX report only Apr, Oct
001Solids, total suspendedDAILY MX report only Apr, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= .78 mg/L Apr, Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Apr, Oct
001Phosphorus, total [as P]DAILY MX report only Apr, Oct
001Lead, total [as Pb]DAILY MX report only Apr, Oct
001Zinc, total [as Zn]DAILY MX report only Apr, Oct
001Oil petroleum, total recoverableINST MAX report only Apr, Oct
001Surfactants [MBAS]DAILY MX report only Apr, Oct
001Flow, maximum during 24 hr periodDAILY MX <= 324000 gal/d Apr, Oct
001Chlorine, total residualMO AVG <= .096 mg/L Apr, Oct
001Chlorine, total residualINST MAX <= .192 mg/L Apr, Oct
001Solids, total dissolvedDAILY MX report only Apr, Oct
001FlowDAILY MX <= 324000 gal/d Apr, Oct
001LC50 Static 48Hr Acute Cyprinodon variegatusDAILY MX report only Oct
001LC50 Static 48Hr Acute Cyprinodon variegatusDAILY MX report only Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Nov, Dec
001Noael Static 48Hr Acute Mysid. BahiaDAILY MX report only Oct
001Noael Static 48Hr Acute Mysid. BahiaDAILY MX report only Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Nov, Dec
002pHINST MIN >= 6 SU Apr, Oct
002pHINST MAX <= 9 SU Apr, Oct
002Solids, total suspendedDAILY MX report only Apr, Oct
002Nitrogen, ammonia total [as N]DAILY MX <= .78 mg/L Apr, Oct
002Phosphorus, total [as P]DAILY AV report only Apr, Oct
002Lead, total [as Pb]DAILY MX report only Apr, Oct
002Zinc, total [as Zn]DAILY MX report only Apr, Oct
002Oil petroleum, total recoverableINST MAX report only Apr, Oct
002Surfactants [MBAS]DAILY MX report only Apr, Oct
002Flow, maximum during 24 hr periodDAILY MX <= 2736000 gal/d Apr, Oct
002Chlorine, total residualMO AVG <= .096 mg/L Apr, Oct
002Chlorine, total residualINST MAX <= .192 mg/L Apr, Oct
002Solids, total dissolvedDAILY MX report only Apr, Oct
002FlowDAILY MX <= 2736000 gal/d Apr, Oct
002LC50 Static 48Hr Acute Cyprinodon variegatusDAILY MX report only Oct
002LC50 Static 48Hr Acute Cyprinodon variegatusDAILY MX report only Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Nov, Dec
002Noael Static 48Hr Acute Mysid. BahiaDAILY MX report only Oct
002Noael Static 48Hr Acute Mysid. BahiaDAILY MX report only Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Nov, 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