DEEP RIVER TOWN OF

NPDES permit CT0101745 · Minor POTW · effective, expires 2028-11-30 · 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

1values over a limit
0required values missing, on 0 form(s)
1of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, suspended percent removal (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (60)

OutfallParameterStatisticLimitMonths
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 50 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only Mar, Sep
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only Mar, Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Mar, Sep
001Nitrogen, nitrite total [as N]DAILY MX report only Mar, Sep
001Nitrogen, nitrate total [as N]DAILY MX report only Mar, Sep
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only Mar, Sep
001Cyanide, total [as CN]DAILY MX report only Mar, Sep
001Cyanide, free [amenable to chlorination]DAILY MX report only Mar, Sep
001Arsenic, total [as As]DAILY MX report only Mar, Sep
001Beryllium, total [as Be]DAILY MX report only Mar, Sep
001Cadmium, total [as Cd]DAILY MX report only Mar, Sep
001Chromium, hexavalent [as Cr]DAILY MX report only Mar, Sep
001Chromium, total [as Cr]DAILY MX report only Mar, Sep
001Copper, total [as Cu]DAILY MX report only Mar, Sep
001Iron, total [as Fe]DAILY MX report only Mar, Sep
001Lead, total [as Pb]DAILY MX report only Mar, Sep
001Thallium, total [as Tl]DAILY MX report only Mar, Sep
001Nickel, total [as Ni]DAILY MX report only Mar, Sep
001Silver, total [as Ag]DAILY MX report only Mar, Sep
001Zinc, total [as Zn]DAILY MX report only Mar, Sep
001Antimony, total [as Sb]DAILY MX report only Mar, Sep
001Aluminum, total [as Al]DAILY MX report only Mar, Sep
001Selenium, total [as Se]DAILY MX report only Jan, Feb, Apr, May, Jun, Jul, Aug, Oct, Nov, Dec
001Selenium, total [as Se]DAILY MX report only Mar, Sep
001Polychlorinated biphenyls [PCBs]INST MAX report only Sep
001PhenolsDAILY MX report only Mar, Sep
001Chlorine, total residualDAILY MX report only Mar, Sep
001Enterococci30DA GEO <= 35 #/100mL May, Jun, Jul, Aug, Sep
001EnterococciMAXIMUM <= 500 #/100mL May, Jun, Jul, Aug, Sep
001Arsenic, sludge tot. dry wt [as As]INST MAX report only Sep
001Beryllium, sludge, tot. dry wt [as Be]INST MAX report only Sep
001Solids, total, percentMINIMUM report only Sep
001Solids, fixed, % of total solidsMINIMUM report only Sep
001Solids, volatile % of total solidsMINIMUM report only Sep
001Mercury, total [as Hg]DAILY MX report only Mar, Sep
001Coliform, fecal general30DA GEO <= 88 #/100mL May, Jun, Jul, Aug, Sep
001Coliform, fecal generalMAXIMUM <= 260 #/100mL May, Jun, Jul, Aug, Sep
001Zinc, sludge, total, dry weight [as Zn]INST MAX report only Sep
001Lead, sludge, total, dry weight [as Pb]INST MAX report only Sep
001Nickel, sludge, total, dry weight [as Ni]INST MAX report only Sep
001Mercury, sludge, total, dry weight [as Hg]INST MAX report only Sep
001Chromium, sludge, total, dry weight [as Cr]INST MAX report only Sep
001Copper, sludge, total, dry weight [as Cu]INST MAX report only Sep
001Cadmium, sludge, total, dry weight [as Cd]INST MAX report only Sep
001Carbonaceous BOD, 5 day, 20 deg C filtrdDAILY MX report only all year
001BOD, 5-day, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 85 % all year
001NOAEL Static 48Hr Acute D. pulexDAILY MN >= 90 % survival Mar, Sep
001NOAEL Static 48Hr Acute Pimephales promelasDAILY MN >= 90 % survival Mar, Sep

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