Clean Water Act discharge permit · NPDES CTSIU0119
MERIMERE WATER TREATMENT FACILITY, Meriden, CT: NPDES CTSIU0119 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
MERIMERE WATER TREATMENT FACILITY, held by City of Meriden, holds NPDES permit CTSIU0119, which discharges to Meriden Wpcf. EPA’s file records it issued December 7, 2023 and expiring October 30, 2025. 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 filed | MERIMERE WATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | City of Meriden |
| NPDES ID | CTSIU0119 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 7, 2023 |
| Expiration date | October 30, 2025 |
| Issuing agency | CT DEEP |
| Address | Meriden, CT 06451 |
| Receiving water | Meriden WPCF |
| Subwatershed | Headwaters Quinnipiac River (HUC 011000040103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Flow, maximum during 24 hr period | 1 | 30 | 14 | July 31, 2026 | 83% over the limit |
| Flow | 1 | 23 | 7 | July 31, 2026 | 30% over the limit |
| pH | 2 | 32 | 0 | ||
| Flow rate | 1 | 16 | 0 | ||
| Solids, total suspended | 1 | 16 | 0 | ||
| Phosphorus, total [as P] | 1 | 16 | 0 | ||
| Arsenic, total [as As] | 1 | 16 | 0 | ||
| Copper, total [as Cu] | 1 | 16 | 0 | ||
| Lead, total [as Pb] | 1 | 16 | 0 | ||
| Zinc, total [as Zn] | 1 | 16 | 0 | ||
| Aluminum, total [as Al] | 1 | 16 | 0 |
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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 24, 2026 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| May 22, 2026 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| April 14, 2026 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| April 14, 2026 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 25, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| October 25, 2024 | Management Practice Violations - Failure to Maintain Records | ST6 |
| October 25, 2024 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| October 25, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| October 25, 2024 | Reporting Violations - Failure to Notify | ST6 |
| October 25, 2024 | Reporting Violations - Failure to Submit DMRs | 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, CTSIU0119.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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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 CTSIU0119 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 October 14, 2026.