Velarion Records

Clean Water Act discharge permit · NPDES CTP000109

CLEAN HARBORS OF CONNECTICUT, Bristol, CT: NPDES CTP000109 discharge permit, effluent exceedances, inspections, penalties

CLEAN HARBORS OF CONNECTICUT holds NPDES permit CTP000109, which discharges to Pequabuck River. EPA’s file records it issued January 20, 2009 and expiring January 31, 2014. 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 filedCLEAN HARBORS OF CONNECTICUT
Permittee as filedCLEAN HARBORS OF CONNECTICUT
NPDES IDCTP000109
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 20, 2009
Expiration dateJanuary 31, 2014
Issuing agencyCT DEP
AddressBristol, CT 06010
Receiving waterPEQUABUCK RIVER
Other EPA IDs (FRS)RCRA handler CTD000604488; ICIS-AIR source CT0000000900308982

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Solids, total suspended22618May 31, 2023867% over the limit
BOD, 5-day, 20 deg. C43517July 31, 202599,999% over the limit
Cyanide, free [amenable to chlorination]22715February 28, 2017185% over the limit
Copper, total [as Cu]22210January 31, 2026111% over the limit
Oil petroleum, total recoverable2179January 31, 2024220% over the limit
Vanadium, total [as V]2146October 31, 202322% over the limit
Sulfide, total [as S]1106May 31, 20233,467% over the limit
Organics-tot voltile [NJAC reg.7:23-17e]194May 31, 20211,313% over the limit
Fluoride, total [as F]2133January 31, 2012923% over the limit
Arsenic, total [as As]2113October 31, 2025332% over the limit
o-Cresol2242July 31, 2015470% over the limit
p-Cresol2192February 28, 2013297% over the limit
Zinc, total [as Zn]2132August 31, 202128% over the limit
Mercury, total [as Hg]2132May 31, 2011538% over the limit
Di[2-ethylhexyl] phthalate [DEHP]2201January 31, 202495% over the limit
Nitrogen, nitrate total [as N]2121August 31, 202459% over the limit
pH291February 28, 2014
Nitrogen, ammonia total [as N]291August 31, 201622% over the limit
Cadmium, total [as Cd]291May 31, 201121% over the limit
Chromium, total [as Cr]291October 31, 200513% over the limit
Titanium, total [as Ti]291August 31, 20216% over the limit
Flow161August 31, 2018119% over the limit
2,4,6-Trichlorophenol2360
Fluoranthene2310
Carbazole2300
n-Decane2270
n-Octadecane2220
Cyanide, total [as CN]290
Antimony, total [as Sb]290
Chromium, hexavalent [as Cr]280
Cobalt, total [as Co]280
Lead, total [as Pb]280
Nickel, total [as Ni]280
Silver, total [as Ag]280
Tin, total [as Sn]280
Flow, maximum during 24 hr period160
Flow rate150
Phenols440
Polychlorinated biphenyls [PCBs]140

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 13, 2026Permit Violations - Failure to Submit Timely Permit Renewal ApplicationST6
May 13, 2026Reporting Violations - Improper/ Incorrect ReportingST6
May 13, 2026Reporting Violations - Failure to NotifyST6
May 13, 2026Effluent Violations - Numeric effluent violationST6
May 13, 2026Management Practice Violations - Failure to Maintain RecordsST6
June 23, 2025Effluent Violations - Numeric effluent violationST6
June 23, 2025Reporting Violations - Improper/ Incorrect ReportingST6
June 23, 2025Reporting Violations - Failure to NotifyST6
June 23, 2025Management Practice Violations - Failure to Maintain RecordsST6
September 13, 2024Reporting Violations - Improper/ Incorrect ReportingST6
September 13, 2024Reporting Violations - Failure to NotifyST6
July 26, 2023Permit Violations - Violation Specified in CommentST6

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.

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Nearby on the register

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

What this page shows

This public-records page covers the NPDES discharge permit CTP000109 held by CLEAN HARBORS OF CONNECTICUT in Bristol, CT, which discharges to the PEQUABUCK RIVER and is administratively continued as a minor discharger permit. The page lists 39 for the discharger class, 22 pollutants under a numeric limit, and 22 pollutants with an effluent exceedance.

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