Clean Water Act discharge permit · NPDES CA0024520
ARCATA DIVISION SAWMILL, Arcata, CA: NPDES CA0024520 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ARCATA DIVISION SAWMILL, held by SIERRA-PACIFIC INDUSTRIES, holds NPDES permit CA0024520, which discharges to *Mad Water Slough. EPA’s file records it issued May 17, 2006 and expiring May 17, 2011. 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.
Identity
| Facility as filed | ARCATA DIVISION SAWMILL |
|---|---|
| Permittee as filed | SIERRA-PACIFIC INDUSTRIES |
| NPDES ID | CA0024520 |
| 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 |
| Issued | May 17, 2006 |
| Expiration date | May 17, 2011 |
| Address | Arcata, CA 95521 |
| Receiving water | *MAD WATER SLOUGH |
| Subwatershed | Jacoby Creek (HUC 180101020601) |
| SIC | 2421 – Sawmills And Planing Mills, General |
| Other EPA IDs (FRS) | RCRA handler CAD047403696 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 14Pollutants on file
- 6Under a numeric limit
- 11With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| pH | 2 | 2 | 0 | ||
| %Surv Static 96Hr Acute Oncorhynchus Mykiss | 2 | 2 | 0 | ||
| %Surv Static Renewal 96Hr Acute Ceriodaphnia dubia | 0 | 2 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 1 | 0 | ||
| Turbidity | 0 | 1 | 0 | ||
| Color [PT-CO units] | 0 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 1 | 0 | ||
| Debris, floating [severity] | 0 | 1 | 0 | ||
| Tannin and lignin | 0 | 1 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CA0024520.
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 CA0024520.
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, CA0024520.
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 CA0024520 there.
Nearby on the register
- Discharge permits in Arcata
- Every permit record in Arcata, 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.