Clean Water Act discharge permit · NPDES CA0048127
LOMPOC REGIONAL WWRF, Lompoc, CA: NPDES CA0048127 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 156Pollutants under a numeric limit
- 21Pollutants with an effluent exceedance
LOMPOC REGIONAL WWRF, held by Lompoc, City of, holds NPDES permit CA0048127, which discharges to San Miguelito Creek. EPA’s file records it issued December 1, 2011 and expiring January 13, 2017. 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 | LOMPOC REGIONAL WWRF |
|---|---|
| Permittee as filed | Lompoc, City of |
| NPDES ID | CA0048127 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 1, 2011 |
| Expiration date | January 13, 2017 |
| Address | Lompoc, CA 93436 |
| Receiving water | San Miguelito Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | San Miguelito Creek-Santa Ynez River (HUC 180600100703) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler CAD982511602 |
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
- 168Pollutants on file
- 156Under a numeric limit
- 39With a violation of any kind
- 21With 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; the 60 with the most exceedances of 168 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 26 | 26 | June 30, 2026 | 99,999% over the limit |
| Solids, total dissolved | 1 | 19 | 13 | June 30, 2010 | 7% over the limit |
| Oil and grease | 2 | 25 | 11 | June 30, 2020 | 280% over the limit |
| Dichlorobromomethane | 1 | 9 | 9 | December 31, 2009 | 983% over the limit |
| Dibromochloromethane | 1 | 8 | 8 | December 31, 2011 | 425% over the limit |
| Nitrogen, ammonia, tot unionized [as N] | 1 | 12 | 7 | June 30, 2026 | 426% over the limit |
| Chlorine, total residual | 0 | 12 | 6 | August 31, 2006 | 8,600% over the limit |
| pH | 2 | 16 | 5 | January 31, 2010 | |
| Coliform, total general | 0 | 15 | 4 | July 31, 2010 | 350% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 3 | 3 | August 31, 2022 | 27% over the limit |
| Molybdenum, total recoverable | 0 | 3 | 3 | December 31, 2005 | 80% over the limit |
| Solids, settleable | 2 | 13 | 2 | June 30, 2011 | 67% over the limit |
| Ammonia, unionized | 0 | 3 | 2 | June 30, 2009 | 136% over the limit |
| Chloroform | 1 | 2 | 2 | December 31, 2005 | 68% over the limit |
| Solids, total suspended | 6 | 19 | 1 | September 30, 2008 | 148% over the limit |
| Di[2-ethylhexyl] phthalate [DEHP] | 4 | 9 | 1 | December 31, 2017 | 94% over the limit |
| Temperature, water deg. centigrade | 1 | 6 | 1 | September 30, 2025 | 0% over the limit |
| Aluminum, total recoverable | 1 | 3 | 1 | December 31, 2025 | 3,640% over the limit |
| Nitrogen, nitrate total [as N] | 1 | 1 | 1 | February 28, 2017 | 6% over the limit |
| Mercury, total recoverable | 1 | 1 | 1 | December 31, 2003 | 12% over the limit |
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | 0 | 1 | 1 | November 30, 2007 | |
| Flow, in conduit or thru treatment plant | 4 | 20 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 0 | 15 | 0 | ||
| Turbidity | 2 | 12 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 10 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 10 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 6 | 0 | ||
| Chlorine usage | 0 | 6 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 5 | 0 | ||
| Sodium, total recoverable | 1 | 5 | 0 | ||
| Chloride [as Cl] | 1 | 5 | 0 | ||
| Solids, suspended percent removal | 1 | 5 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 0 | 5 | 0 | ||
| Pass/Fail Static Renewal 96Hr Acute Ceriodaphnia dubia | 0 | 5 | 0 | ||
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 0 | 5 | 0 | ||
| Molybdenum, total [as Mo] | 0 | 2 | 0 | ||
| Chromium, trivalent [as Cr] | 1 | 1 | 0 | ||
| 1,2,3-Trichloropropane | 0 | 1 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| % Survival Static Renewal 96Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Color [PT-CO units] | 1 | 0 | 0 | ||
| Nitrogen, organic total [as N] | 1 | 0 | 0 | ||
| Nitrogen, nitrite total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Sulfate, total [as SO4] | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Selenium, total recoverable | 1 | 0 | 0 | ||
| Thallium, total recoverable | 1 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 0 | 0 | ||
| Boron, total recoverable | 1 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Silver total recoverable | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Antimony, total recoverable | 1 | 0 | 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 CA0048127.
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.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.