FAIRFIELD WPCF

NPDES permit CT0101044 · Major POTW · effective, expires 2026-09-30 · 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 11 forms filed late

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

Reporting

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

Limits in force (61)

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, Jun, Sep, Dec
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, Jun, Sep, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Mar, Jun, Sep, Dec
001Nitrogen, nitrite total [as N]DAILY MX report only Mar, Jun, Sep, Dec
001Nitrogen, nitrate total [as N]DAILY MX report only Mar, Jun, Sep, Dec
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only Mar, Jun, Sep, Dec
001Cyanide, total [as CN]DAILY MX report only Mar, Jun, Sep, Dec
001Cyanide, free [amenable to chlorination]DAILY MX report only Mar, Jun, Sep, Dec
001Arsenic, total [as As]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001Arsenic, total [as As]DAILY MX report only Mar, Jun, Sep, Dec
001Beryllium, total [as Be]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001Beryllium, total [as Be]DAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total [as Cd]DAILY MX report only Mar, Jun, Sep, Dec
001Chromium, hexavalent [as Cr]DAILY MX report only Mar, Jun, Sep, Dec
001Chromium, total [as Cr]DAILY MX report only Mar, Jun, Sep, Dec
001Copper, total [as Cu]DAILY MX report only Mar, Jun, Sep, Dec
001Iron, total [as Fe]DAILY MX report only Mar, Jun, Sep, Dec
001Lead, total [as Pb]DAILY MX report only Mar, Jun, Sep, Dec
001Thallium, total [as Tl]DAILY MX report only Mar, Jun, Sep, Dec
001Nickel, total [as Ni]DAILY MX report only Mar, Jun, Sep, Dec
001Silver, total [as Ag]DAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total [as Zn]DAILY MX report only Mar, Jun, Sep, Dec
001Antimony, total [as Sb]DAILY MX report only Mar, Jun, Sep, Dec
001Aluminum, total [as Al]DAILY MX report only Mar, Jun, Sep, Dec
001Selenium, total [as Se]DAILY MX report only Mar, Jun, Sep, Dec
001Coliform, fecal - % samples exceeding limitINST MAX <= 10 % all year
001Polychlorinated biphenyls [PCBs]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001PhenolsDAILY MX report only Mar, Jun, Sep, Dec
001Chlorine, total residualDAILY MX report only Mar, Jun, Sep, Dec
001Enterococci30DA GEO <= 35 #/100mL all year
001EnterococciMAXIMUM <= 500 #/100mL all year
001Ultraviolet light dosageINST MIN >= 24 mW-sec/cm2 all year
001Solids, total, percentINST MIN report only Jan, Mar, May, Jul, Sep, Nov
001Solids, fixed, % of total solidsINST MIN report only Jan, Mar, May, Jul, Sep, Nov
001Solids, volatile % of total solidsINST MIN report only Jan, Mar, May, Jul, Sep, Nov
001Mercury, total [as Hg]DAILY MX report only Mar, Jun, Sep, Dec
001Coliform, fecal general30DA GEO <= 88 #/100mL all year
001Zinc, sludge, total, dry weight [as Zn]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001Lead, sludge, total, dry weight [as Pb]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001Nickel, sludge, total, dry weight [as Ni]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001Mercury, sludge, total, dry weight [as Hg]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001Chromium, sludge, total, dry weight [as Cr]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001Copper, sludge, total, dry weight [as Cu]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001Cadmium, sludge, total, dry weight [as Cd]INST MAX report only Jan, Mar, May, Jul, Sep, Nov
001BOD, carbonaceous [5 day, 5 C]MO GEO report only all year
001BOD, carbonaceous [5 day, 5 C]DAILY MX report only all year
001BOD, 5-day, percent removalMN % RMV >= 85 % all year
001Solids, suspended percent removalMN % RMV >= 85 % all year
001NOAEL Static 48Hr Acute D. pulexMINIMUM >= 90 % survival Mar, Jun, Sep, Dec
001NOAEL Static 48Hr Acute Pimephales promelasMINIMUM >= 90 % survival 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