Clean Water Act discharge permit · NPDES CA0105449
CALIFORNIA STEEL INDUSTRIES, FONTANA, Fontana, CA: NPDES CA0105449 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
CALIFORNIA STEEL INDUSTRIES, FONTANA, held by CALIFORNIA STEEL INDUSTRIES, holds NPDES permit CA0105449, which discharges to Santa Ana River. EPA’s file records it issued November 5, 2004 and expiring November 1, 2009. 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 | CALIFORNIA STEEL INDUSTRIES, FONTANA |
|---|---|
| Permittee as filed | CALIFORNIA STEEL INDUSTRIES |
| NPDES ID | CA0105449 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | November 5, 2004 |
| Expiration date | November 1, 2009 |
| Address | Fontana, CA 92335 |
| Receiving water | SANTA ANA RIVER |
| Subwatershed | East Etiwanda Creek-Santa Ana River (HUC 180702030804) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 0Under a numeric limit
- 9With a violation of any kind
- 5With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Zinc, total recoverable | 0 | 29 | 28 | April 30, 2026 | 515% over the limit |
| Lead, total recoverable | 0 | 22 | 21 | April 30, 2026 | 1,061% over the limit |
| Copper, total recoverable | 0 | 20 | 19 | April 30, 2026 | 221% over the limit |
| pH | 0 | 16 | 12 | March 31, 2025 | |
| Solids, total suspended | 0 | 11 | 10 | April 30, 2026 | 55% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 35 | 0 | ||
| % Survival Static Renewal 96Hr Acute Pimephales promelas | 0 | 16 | 0 | ||
| Mercury, total recoverable | 0 | 8 | 0 | ||
| Oil and grease | 0 | 7 | 0 |
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 CA0105449.
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 CA0105449 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.