Clean Water Act discharge permit · NPDES CA0048267
BIG BASIN REDWOODS SP WWTP, Boulder Creek, CA: NPDES CA0048267 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
BIG BASIN REDWOODS SP WWTP, held by CA STATE PARKS, holds NPDES permit CA0048267, which discharges to Waddel Creek. EPA’s file records it issued May 13, 2005 and expiring May 13, 2010. 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 | BIG BASIN REDWOODS SP WWTP |
|---|---|
| Permittee as filed | CA STATE PARKS |
| NPDES ID | CA0048267 |
| 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 | Publicly owned treatment works |
| Issued | May 13, 2005 |
| Expiration date | May 13, 2010 |
| Address | Boulder Creek, CA 95006 |
| Receiving water | WADDEL CREEK |
| Subwatershed | Waddell Creek (HUC 180500060301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 21Pollutants on file
- 0Under a numeric limit
- 21With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| Mercury, total recoverable | 0 | 6 | 6 | December 31, 2019 | 450% over the limit |
| Coliform, total general | 0 | 6 | 4 | August 31, 2019 | 1,439% over the limit |
| Copper, total recoverable | 0 | 4 | 4 | June 30, 2018 | 158% over the limit |
| Nitrogen, ammonia, tot unionized [as N] | 0 | 3 | 2 | August 31, 2018 | 220% over the limit |
| BOD, 5-day, percent removal | 0 | 3 | 2 | October 31, 2019 | 70% over the limit |
| Zinc, total recoverable | 0 | 2 | 2 | June 30, 2018 | 18% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 8 | 1 | August 31, 2019 | 1,431% over the limit |
| Solids, total suspended | 0 | 8 | 1 | February 28, 2018 | 10% over the limit |
| Turbidity | 0 | 3 | 1 | July 31, 2017 | |
| pH | 0 | 3 | 1 | April 30, 2018 | |
| Solids, settleable | 0 | 2 | 1 | August 31, 2019 | 900% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 2 | 0 | ||
| Nitrogen, nitrite total [as N] | 0 | 2 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| Enterococci | 0 | 2 | 0 | ||
| Coliform, fecal general | 0 | 2 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 1 | 0 | ||
| Solids, suspended percent removal | 0 | 1 | 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 CA0048267.
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 CA0048267 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.