Clean Water Act discharge permit · NPDES CAZ457818
LARSONS SHIPYARD LLC, Newport Beach, CA: NPDES CAZ457818 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LARSONS SHIPYARD LLC, held by Larsons Shipyard LLC, holds NPDES permit CAZ457818. EPA’s file records it issued July 2, 2015 and expiring June 30, 2020. 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 LARSONS SHIPYARD LLC: its NPDES ID, its permit type and status, its dates, its address in Newport Beach, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ457818.
Identity
| Facility as filed | LARSONS SHIPYARD LLC |
|---|---|
| Permittee as filed | Larsons Shipyard LLC |
| NPDES ID | CAZ457818 |
| 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 |
| Program | Industrial stormwater |
| Issued | July 2, 2015 |
| Expiration date | June 30, 2020 |
| Issuing agency | CA Waterboards |
| Address | Newport Beach, CA 92663 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Newport Bay (HUC 180702040201) |
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 CAZ457818.
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 CAZ457818.
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, CAZ457818.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 CAZ457818 there.
Nearby on the register
- Discharge permits in Newport Beach
- Every permit record in Newport Beach, A to Z
- Discharge permits in California
- Every permit record in California, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.