Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES CT0030295

GREENWICH AMERICAN, INC.*, Greenwich, CT: NPDES CT0030295 discharge permit, effluent exceedances, inspections, penalties

GREENWICH AMERICAN, INC.*, held by GREENWICH AMERICAN CENTRE INC, holds NPDES permit CT0030295, which discharges to Byram River. EPA’s file records it issued July 1, 2006 and expiring May 31, 2011. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedGREENWICH AMERICAN, INC.*
Permittee as filedGREENWICH AMERICAN CENTRE INC
NPDES IDCT0030295
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 1, 2006
Expiration dateMay 31, 2011
Issuing agencyCT DEP
AddressGreenwich, CT 06831
Receiving waterBYRAM RIVER
SubwatershedKensico Reservoir (HUC 020301020101)
SIC7371 – Computer Programming Services
Other EPA IDs (FRS)RCRA handler CTD982547697; ICIS-AIR source CT0000000900103447

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Chlorine, total residual14024July 31, 2015783% over the limit
Coliform, fecal general11611June 30, 2013290% over the limit
BOD, 5-day, 20 deg. C31199February 28, 2025745% over the limit
Solids, total suspended3794August 31, 2009865% over the limit
E. coli0144September 30, 201799,999% over the limit
Solids, suspended percent removal1603September 30, 2016560% over the limit
Flow, in conduit or thru treatment plant2243March 31, 2014328% over the limit
pH2352October 31, 2011
BOD, 5-day, percent removal1611March 31, 2006570% over the limit
Flow rate0770
Polychlorinated biphenyls [PCBs]150
Pass/Fail Static 48Hr Acute D. Pulex240
Pass/Fail Static 96 Hr Acute Pimephales Promelas240
Phosphorus, total [as P]040
Aluminum, total [as Al]040
Beryllium, total [as Be]130
Nitrogen, ammonia total [as N]030
Nitrogen, nitrite total [as N]030
Nitrogen, nitrate total [as N]030
Chromium, total [as Cr]030
Iron, total [as Fe]030
Thallium, total [as Tl]030
BOD, carbonaceous [5 day, 5 C]030
NOAEL Static 48Hr Acute D. pulex030
NOAEL Static 48Hr Acute Pimephales promelas030
Solids, fixed, % of total solids120
Solids, volatile % of total solids120
Cyanide, total [as CN]020
Cyanide, free [amenable to chlorination]020
Arsenic, total [as As]020
Cadmium, total [as Cd]020
Chromium, hexavalent [as Cr]020
Lead, total [as Pb]020
Nickel, total [as Ni]020
Silver, total [as Ag]020
Antimony, total [as Sb]020
Selenium, total [as Se]020
Phenols020
Mercury, total [as Hg]020
Zinc, sludge, total, dry weight [as Zn]110
Lead, sludge, total, dry weight [as Pb]110
Nickel, sludge, total, dry weight [as Ni]110
Mercury, sludge, total, dry weight [as Hg]110
Chromium, sludge, total, dry weight [as Cr]110
Copper, sludge, total, dry weight [as Cu]110
Cadmium, sludge, total, dry weight [as Cd]110
Solids, sludge, total, dry weight110
Zinc, total [as Zn]010
Beryllium, sludge, tot. dry wt [as Be]010
Arsenic, sludge tot. dry wt [as As]100

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
May 29, 2024Management Practice Violations - Improper Operation and MaintenanceST6
May 29, 2024Monitoring Violations - Invalid/Unrepresentative SampleST6
June 7, 2021Monitoring Violations - Invalid/Unrepresentative SampleST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, CT0030295.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID CT0030295 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit CT0030295, held by GREENWICH AMERICAN CENTRE INC for a discharge to the BYRAM RIVER in the Kensico Reservoir subwatershed (HUC 020301020101), with its status shown as administratively continued and its discharger class as Minor. The page lists 23 as the discharger class, 9 pollutants under a numeric limit, and 9 pollutants with an effluent exceedance.