Clean Water Act discharge permit · NPDES NYR11K332
MATHER HOSPITAL, Port Jefferson, NY: NPDES NYR11K332 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MATHER HOSPITAL, held by NORTHWELL HEALTH, holds NPDES permit NYR11K332, which discharges to Long Island Sound. EPA’s file records it issued January 29, 2025 and expiring January 28, 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 MATHER HOSPITAL: its NPDES ID, its permit type and status, its dates, its address in Port Jefferson, New York, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NYR11K332.
Identity
| Facility as filed | MATHER HOSPITAL |
|---|---|
| Permittee as filed | NORTHWELL HEALTH |
| NPDES ID | NYR11K332 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | January 29, 2025 |
| Expiration date | January 28, 2030 |
| Issuing agency | NYSDEC |
| Address | Port Jefferson, NY 11777 |
| Receiving water | LONG ISLAND SOUND |
| Subwatershed | Mt Sinai Harbor-Port Jefferson Harbor (HUC 020302010304) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES NYR11K332.
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 NYR11K332.
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, NYR11K332.
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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 NYR11K332 there.
Nearby on the register
- Discharge permits in Port Jefferson
- Every permit record in Port Jefferson, A to Z
- Discharge permits in New York
- Every permit record in New York, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.