Clean Water Act discharge permit · NPDES CT0000906
TILCON CONNECTICUT, INC., Branford, CT: NPDES CT0000906 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TILCON CONNECTICUT, INC. holds NPDES permit CT0000906, which discharges to Long Marsh Creek. EPA’s file records it issued May 30, 2002 and expiring May 29, 2007. 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 | TILCON CONNECTICUT, INC. |
|---|---|
| Permittee as filed | TILCON CONNECTICUT, INC. |
| NPDES ID | CT0000906 |
| 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 | May 30, 2002 |
| Expiration date | May 29, 2007 |
| Issuing agency | CT DEP |
| Address | Branford, CT 06405 |
| Receiving water | LONG MARSH CREEK |
| Subwatershed | Indian River-Frontal Long Island Sound (HUC 011000040208) |
| Other EPA IDs (FRS) | ICIS-AIR source CT0000000900900008 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 15Pollutants on file
- 15Under a numeric limit
- 0With 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 | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Turbidity | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Flow rate | 1 | 0 | 0 | ||
| Salinity | 1 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Copper, total [as Cu] | 1 | 0 | 0 | ||
| Iron, total [as Fe] | 1 | 0 | 0 | ||
| Lead, total [as Pb] | 1 | 0 | 0 | ||
| Nickel, total [as Ni] | 1 | 0 | 0 | ||
| Aluminum, total [as Al] | 1 | 0 | 0 | ||
| Surfactants [MBAS] | 1 | 0 | 0 | ||
| Flow | 1 | 0 | 0 | ||
| Pass/Fail Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 0 | 0 | ||
| Pass/Fail Static 96 Hr Acute Cyprinodon Variega | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CT0000906.
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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 3, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 3, 2024 | Management Practice Violations - Failure to Conduct Inspections | ST6 |
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, CT0000906.
Start the watch
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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 CT0000906 there.
Nearby on the register
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- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.