GREENWICH AMERICAN CENTRE INC

NPDES permit CT0030295 · Minor NON-POTW · administratively continued, expires 2021-12-31 · 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 2021-12-31 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
22required values missing, on 1 form(s)
3of 11 forms filed late

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

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 (85)

OutfallParameterStatisticLimitMonths
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX report only Jan
001BOD, 5-day, 20 deg. CDAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only Jan
001Solids, total suspendedDAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Jan
001Nitrogen, ammonia total [as N]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, nitrite total [as N]DAILY MX report only Jan
001Nitrogen, nitrite total [as N]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, nitrate total [as N]DAILY MX report only Jan
001Nitrogen, nitrate total [as N]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only Jan
001Phosphorus, total [as P]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Cyanide, total [as CN]DAILY MX report only Jan
001Cyanide, total [as CN]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Cyanide, free [amenable to chlorination]DAILY MX report only Jan
001Cyanide, free [amenable to chlorination]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Arsenic, total [as As]DAILY MX report only Jan
001Arsenic, total [as As]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Beryllium, total [as Be]DAILY MX report only Jan
001Beryllium, total [as Be]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Cadmium, total [as Cd]DAILY MX report only Jan
001Cadmium, total [as Cd]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Chromium, hexavalent [as Cr]DAILY MX report only Jan
001Chromium, hexavalent [as Cr]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Chromium, total [as Cr]DAILY MX report only Jan
001Chromium, total [as Cr]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Copper, total [as Cu]DAILY MX report only Jan
001Copper, total [as Cu]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Iron, total [as Fe]DAILY MX report only Jan
001Iron, total [as Fe]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Lead, total [as Pb]DAILY MX report only Jan
001Lead, total [as Pb]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Thallium, total [as Tl]DAILY MX report only Jan
001Thallium, total [as Tl]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nickel, total [as Ni]DAILY MX report only Jan
001Nickel, total [as Ni]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Silver, total [as Ag]DAILY MX report only Jan
001Silver, total [as Ag]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Zinc, total [as Zn]DAILY MX report only Jan
001Zinc, total [as Zn]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Antimony, total [as Sb]DAILY MX report only Jan
001Antimony, total [as Sb]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Aluminum, total [as Al]DAILY MX report only Jan
001Aluminum, total [as Al]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Selenium, total [as Se]DAILY MX report only Jan
001Selenium, total [as Se]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Polychlorinated biphenyls [PCBs]INST MAX report only Jan
001PhenolsDAILY MX report only Jan
001PhenolsDAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Chlorine, total residualINST MAX <= .15 mg/L May, Jun, Jul, Aug, Sep
001Chlorine, total residualDAILY MX report only Jan
001Chlorine, total residualDAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001E. coli30DA GEO <= 126 #/100mL May, Jun, Jul, Aug, Sep
001E. coliMAXIMUM <= 410 #/100mL May, Jun, Jul, Aug, Sep
001Arsenic, sludge tot. dry wt [as As]INST MAX report only Jan
001Beryllium, sludge, tot. dry wt [as Be]INST MAX report only Jan
001Solids, fixed, % of total solidsINST MIN report only Jan
001Solids, volatile % of total solidsINST MIN report only Jan
001Mercury, total [as Hg]DAILY MX report only Jan
001Mercury, total [as Hg]DAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Zinc, sludge, total, dry weight [as Zn]INST MAX report only Jan
001Lead, sludge, total, dry weight [as Pb]INST MAX report only Jan
001Nickel, sludge, total, dry weight [as Ni]INST MAX report only Jan
001Mercury, sludge, total, dry weight [as Hg]INST MAX report only Jan
001Chromium, sludge, total, dry weight [as Cr]INST MAX report only Jan
001Copper, sludge, total, dry weight [as Cu]INST MAX report only Jan
001Cadmium, sludge, total, dry weight [as Cd]INST MAX report only Jan
001Solids, sludge, total, dry weightINST MIN report only Jan
001BOD, carbonaceous [5 day, 5 C]MO AVG report only all year
001BOD, 5-day, percent removalMN % RMV >= 90 % all year
001Solids, suspended percent removalMN % RMV >= 90 % all year
001NOAEL Static 48Hr Acute D. pulexMINIMUM report only Jan
001NOAEL Static 48Hr Acute D. pulexMINIMUM report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001NOAEL Static 48Hr Acute Pimephales promelasMINIMUM report only Jan
001NOAEL Static 48Hr Acute Pimephales promelasMINIMUM report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, 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