Clean Water Act discharge permit · NPDES CT0027201

DEPT. OF TRANSPORTATION, Greenwich, CT: NPDES CT0027201 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
0Pollutants with an effluent exceedance

DEPT. OF TRANSPORTATION, held by DEPARTMENT OF TRANSPORTATION, holds NPDES permit CT0027201, which discharges to Quarry Pond. EPA’s file records it issued October 1, 1998 and expiring September 30, 2003. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	DEPT. OF TRANSPORTATION
Permittee as filed	DEPARTMENT OF TRANSPORTATION
NPDES ID	CT0027201
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	October 1, 1998
Expiration date	September 30, 2003
Issuing agency	CT DEP
Address	Greenwich, CT 06830
Receiving water	QUARRY POND
Receiving water impaired	303(D) Listed
Subwatershed	Blind Brook-Horseneck Brook (HUC 011000060405)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

16Pollutants on file
11Under a numeric limit
16With a violation of any kind
0With an effluent exceedance

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 measure	Limits	Violations, any kind
pH	2	10
Oxygen demand, chem. [low level] [COD]	1	5
Solids, total suspended	1	5
Copper, total [as Cu]	1	5
Lead, total [as Pb]	1	5
Zinc, total [as Zn]	1	5
Nitrogen, nitrate total [as N]	0	3
Nitrogen, Kjeldahl, total [as N]	0	3
Phosphorus, total [as P]	0	3
Oil petroleum, total recoverable	0	3
LC50 Static 48Hr Acute D. Pulex	0	3
Flow rate	1	2
Oil & Grease	1	2
Cadmium, total [as Cd]	1	2
Chromium, total [as Cr]	1	2
Nickel, total [as Ni]	1	2

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CT0027201.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES CT0027201.

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

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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 CT0027201 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clean Water Act discharge permit NPDES CT0027201, held by DEPARTMENT OF TRANSPORTATION at Greenwich, CT, which discharges to QUARRY POND and is listed as a minor discharger, administratively continued past its expiration date. The page lists 16 pollutants on file, 11 under a numeric limit, and 0 pollutants with an effluent exceedance.