Clean Water Act discharge permit · NPDES CAL037575
NAPA SOSCOL WRF, Napa, CA: NPDES CAL037575 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NAPA SOSCOL WRF holds NPDES permit CAL037575. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for NAPA SOSCOL WRF: its NPDES ID, its permit type and status, its dates, its address in Napa, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAL037575.
Identity
| Facility as filed | NAPA SOSCOL WRF |
|---|---|
| Permittee as filed | NAPA SOSCOL WRF |
| NPDES ID | CAL037575 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Associated permit record |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Biosolids |
| Issued | January 1, 2021 |
| Expiration date | December 31, 2025 |
| Address | Napa, CA 94558 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Napa River (HUC 180500020205) |
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 CAL037575.
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 CAL037575.
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
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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 CAL037575 there.
Nearby on the register
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- Every permit record in Napa, A to Z
- Discharge permits in California
- Every permit record in California, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.