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Clean Water Act discharge permit · NPDES CTGSI2837

INTERGRATED INDUSTRIAL SYSTEM I2S, Wallingford (Yalesville), CT: NPDES CTGSI2837 discharge permit, effluent exceedances, inspections, penalties

INTERGRATED INDUSTRIAL SYSTEM I2S, held by UNITED CONCRETE PRODUCTS INC., holds NPDES permit CTGSI2837. EPA’s file records it issued September 26, 2018 and expiring September 30, 2021. 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.

What the register holds for INTERGRATED INDUSTRIAL SYSTEM I2S: its NPDES ID, its permit type and status, its dates, its address in Wallingford (Yalesville), Connecticut. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CTGSI2837.

Identity

Facility as filedINTERGRATED INDUSTRIAL SYSTEM I2S
Permittee as filedUNITED CONCRETE PRODUCTS INC.
NPDES IDCTGSI2837
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedSeptember 26, 2018
Expiration dateSeptember 30, 2021
Issuing agencyCT DEEP
AddressWallingford (Yalesville), CT 06492
Receiving water impaired303(D) Listed
SubwatershedOutlet Quinnipiac River (HUC 011000040105)
Other EPA IDs (FRS)RCRA handler CTR000506543

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES CTGSI2837.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES CTGSI2837.

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, CTGSI2837.

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  • One permit holder — $99/month
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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 CTGSI2837 there.

Nearby on the register

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

What this page shows

The INTERGRATED INDUSTRIAL SYSTEM I2S permit in Wallingford (Yalesville), held by UNITED CONCRETE PRODUCTS INC., is one of 39 storm water industrial permits in New Haven County, this one included. Of those 39 permits, 0.0% have a violation on file, and this permit has none of the recorded pollutants under a numeric limit or effluent exceedances. Among the 39 storm water industrial permits in New Haven County, 5.1% carry an earlier issue date than this one, which was issued September 26, 2018.