Clean Water Act discharge permit · NPDES CTDRW0027
THE SOUTHERN CONNECTICUT GAS COMPANY, New Haven, CT: NPDES CTDRW0027 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 25Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
THE SOUTHERN CONNECTICUT GAS COMPANY, held by The Southern Connecticut Gas Company, holds NPDES permit CTDRW0027, which discharges to Connecticut. EPA’s file records it issued May 22, 2026 and expiring October 31, 2030. 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 THE SOUTHERN CONNECTICUT GAS COMPANY: its NPDES ID, its permit type and status, its dates, its address in New Haven, Connecticut, its receiving water, and 25 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CTDRW0027.
Identity
| Facility as filed | THE SOUTHERN CONNECTICUT GAS COMPANY |
|---|---|
| Permittee as filed | The Southern Connecticut Gas Company |
| NPDES ID | CTDRW0027 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 22, 2026 |
| Expiration date | October 31, 2030 |
| Issuing agency | CT DEEP |
| Address | New Haven, CT 06511 |
| Receiving water | Connecticut |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mill River (HUC 011000040301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 25Pollutants on file
- 25Under 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 |
|---|---|---|---|---|---|
| pH | 2 | 0 | 0 | ||
| Flow rate | 1 | 0 | 0 | ||
| Solids, total suspended | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Barium, total [as Ba] | 1 | 0 | 0 | ||
| Cadmium, total [as Cd] | 1 | 0 | 0 | ||
| Cobalt, total [as Co] | 1 | 0 | 0 | ||
| Copper, total [as Cu] | 1 | 0 | 0 | ||
| Lead, total [as Pb] | 1 | 0 | 0 | ||
| Thallium, total [as Tl] | 1 | 0 | 0 | ||
| Vanadium, total [as V] | 1 | 0 | 0 | ||
| Zinc, total [as Zn] | 1 | 0 | 0 | ||
| Tin, total [as Sn] | 1 | 0 | 0 | ||
| Polynuclear Aromatic Hydrocarbons [PAHs] | 1 | 0 | 0 | ||
| Flow, maximum during 24 hr period | 1 | 0 | 0 | ||
| Oil & grease, non-polar material | 1 | 0 | 0 | ||
| Volatile Organic Compound [VOC] | 1 | 0 | 0 | ||
| Nitrogen, Ammonia Total | 1 | 0 | 0 | ||
| Solids, total dissolved [TDS] | 1 | 0 | 0 | ||
| Mercury, total [as Hg] | 1 | 0 | 0 | ||
| Flow | 1 | 0 | 0 | ||
| Base neutrals & acid [Method 625], total | 1 | 0 | 0 | ||
| Boron, total | 1 | 0 | 0 | ||
| Turbidity, lab, NTU | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CTDRW0027.
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 CTDRW0027.
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, CTDRW0027.
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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 CTDRW0027 there.
Nearby on the register
- Discharge permits in New Haven
- Every permit record in New Haven, A to Z
- Discharge permits in Connecticut
- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.