Clean Water Act discharge permit · NPDES CAU000484
ORO LOMA/CASTRO VALLEY SD WPCP, San Lorenzo, CA: NPDES CAU000484 discharge permit, effluent exceedances, inspections, penalties
- Not neededPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ORO LOMA/CASTRO VALLEY SD WPCP, held by ORO LOMA SAN DIST, holds NPDES permit CAU000484. 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 ORO LOMA/CASTRO VALLEY SD WPCP: its NPDES ID, its permit type and status, its its address in San Lorenzo, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAU000484.
Identity
| Facility as filed | ORO LOMA/CASTRO VALLEY SD WPCP |
|---|---|
| Permittee as filed | ORO LOMA SAN DIST |
| NPDES ID | CAU000484 |
| Permit status | Not needed |
| Permit type | Associated permit record |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial pretreatment |
| Address | San Lorenzo, CA 94580 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | San Francisco Bay Estuaries (HUC 180500041001) |
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 CAU000484.
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 CAU000484.
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, CAU000484.
Start the watch
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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 CAU000484 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.