Clean Water Act discharge permit · NPDES CTR050041
DURHAM SCHOOL SERVICES LP-CSC 4018 - MILFORD, Milford, CT: NPDES CTR050041 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
DURHAM SCHOOL SERVICES LP-CSC 4018 - MILFORD, held by DURHAM SCHOOL SERVICES, LIMITED PARTNERSHIP, holds NPDES permit CTR050041. EPA’s file records it issued July 2, 2026 and expiring September 30, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for DURHAM SCHOOL SERVICES LP-CSC 4018 - MILFORD: its NPDES ID, its permit type and status, its dates, its address in Milford, Connecticut, and 15 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CTR050041.
Identity
| Facility as filed | DURHAM SCHOOL SERVICES LP-CSC 4018 - MILFORD |
|---|---|
| Permittee as filed | DURHAM SCHOOL SERVICES, LIMITED PARTNERSHIP |
| NPDES ID | CTR050041 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | July 2, 2026 |
| Expiration date | September 30, 2030 |
| Issuing agency | CT DEEP |
| Address | Milford, CT 06461 |
| Subwatershed | Housatonic River-Frontal Long Island Sound (HUC 011000051302) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
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 |
|---|---|---|---|---|---|
| pH | 6 | 0 | 0 | ||
| Conductivity | 3 | 0 | 0 | ||
| Solids, total suspended | 3 | 0 | 0 | ||
| Oil & Grease | 3 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 3 | 0 | 0 | ||
| Phosphorous, total recoverable | 3 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 3 | 0 | 0 | ||
| Zinc, total recoverable | 3 | 0 | 0 | ||
| Lead, total recoverable | 3 | 0 | 0 | ||
| Copper, total recoverable | 3 | 0 | 0 | ||
| Nitrogen, nitrate total [as NO3] | 3 | 0 | 0 | ||
| Chemical Oxygen Demand [COD] | 3 | 0 | 0 | ||
| LC50 Static 48Hr Acute D. Pulex | 3 | 0 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 3 | 0 | 0 | ||
| %Surv Static 48Hr Acute Daphnia Pulex | 3 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CTR050041.
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 CTR050041.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, CTR050041.
Start the watch
- One permit holder — $99/month
- 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 CTR050041 there.
Nearby on the register
- Discharge permits in Milford
- Every permit record in Milford, A to Z
- Discharge permits in Connecticut
- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.