Clean Water Act discharge permit · NPDES CAZ518299
COX USA, Ontario, CA: NPDES CAZ518299 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
COX USA, held by Cox USA, holds NPDES permit CAZ518299. EPA’s file records it issued April 24, 2020 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.
Identity
| Facility as filed | COX USA |
|---|---|
| Permittee as filed | Cox USA |
| NPDES ID | CAZ518299 |
| 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 | April 24, 2020 |
| Expiration date | June 30, 2020 |
| Issuing agency | CA Waterboards |
| Address | Ontario, CA 91761 |
| Subwatershed | East Etiwanda Creek-Santa Ana River (HUC 180702030804) |
| Other EPA IDs (FRS) | RCRA handler CAL000359651 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
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 CAZ518299.
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
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 15, 2025 | WW Storm Water Non-Construction - Failure to submit required report (non-DMR) | ST6 |
| November 1, 2023 | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | ST6 |
| July 16, 2023 | WW Storm Water Non-Construction - Failure to submit required report (non-DMR) | ST6 |
| July 16, 2022 | WW Storm Water Non-Construction - Failure to submit required report (non-DMR) | ST6 |
| September 16, 2021 | WW Storm Water Non-Construction - Failure to submit required report (non-DMR) | ST6 |
| August 16, 2021 | WW Storm Water Non-Construction - Failure to submit required report (non-DMR) | ST6 |
| July 15, 2021 | WW Storm Water Non-Construction - Failure to submit required report (non-DMR) | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES CAZ518299.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES CAZ518299.
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, CAZ518299.
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 CAZ518299 there.
Nearby on the register
- Discharge permits in Ontario
- Every permit record in Ontario, 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.