Carbon Natural Gas Ojai Fee Field Office
Active WDID 4 56I027133 Santa Paula, Ventura County Region 4 · Los Angeles
At a glance
- Permit Evidence: SMARTS record
- Active Industrial
- Notice of Intent (WDID code I) · Permits and applications
- Location Evidence: facility-reported
- Santa Paula, Ventura County
- Region 4 · Los Angeles · Location · Statewide map
- Receiving water
- Santa Paula Creek (as reported by the facility)
- Evidence: candidate, awaiting review Details
- Identified receiving water on the 2026 303(d) list
- Not established
- Shown only when the reported receiving water is identified and corroborated.
- 2026 Integrated Report waters within 1.0 km Evidence: geographic proximity
- None
- Monitoring results Evidence: facility-reported
- 243 distinct results, 9 reporting years (2017 to 2025)
- Most recent sample Feb 20, 2026 · Monitoring
- Compliance and enforcement records Evidence: SMARTS record
- 3 inspections · 0 violation records · 0 enforcement actions
- Counts as published in SMARTS; not a compliance determination · Details
Each label shows where a statement comes from. How to read the labels.
Overview and location
Reported facility location HUC12 watershed Corroborated receiving water 2026 Integrated Report waterbodies nearby
Reported location Evidence: facility-reported
- Coordinates
- 34.43089, -119.10288
- Precision
- 5 decimal places
- Shared point
- No
- Matches application record
- same
Facility location as reported by the discharger in SMARTS; not a discharge point or outfall.
- Facility address
- 12720 Santa Paula, Santa Paula 93060
- Regional Water Board
- 4 — Los Angeles
HUC12 watershed Evidence: spatial
- Santa Paula Creek HUC12 180701020901
The facility's reported location lies within this HUC12 watershed (spatial derivation); it is not a discharge location.
Permits and applications Evidence: SMARTS record
Current permit record
- Permit type
- Industrial
- Application type
- Notice of Intent (WDID code I)
- Status
- Active
- Operator
- Carbon California Operating Company LLC
- Primary industry (SIC)
- 1311-Crude Petroleum and Natural Gas
- Application ID
- 485390
- NOI processed
- Apr 14, 2017
- Last certified
- Jul 16, 2025
- Facility size
- 3200 Acres
- Impervious area
- 3 %
Retrieved from SMARTS Oct 20, 2026. Verify against SMARTS before relying on it.
Permit history
| Application | Type | Status | Processed | Terminated | Certified |
|---|---|---|---|---|---|
| 485390 | Industrial | Active | Apr 14, 2017 | — | Jul 16, 2025 |
Every storm water application SMARTS records for this WDID, newest first (1).
Receiving water
- Reported by the facility Evidence: facility-reported
- Santa Paula Creek
- Discharges directly / indirectly
- N / Y (as answered in the permit application)
Evidence: not confirmed Evidence: candidate, awaiting review Awaiting review
Receiving-water text as reported by the discharger in SMARTS; no waterbody identification has been confirmed.
Why it is not confirmed (1)
- C1 name is only a prefix of official names
2 official waterbodies share this name; none is assigned without review.
Impaired waters and TMDLs
Two kinds of information, kept apart: 2026 Integrated Report waterbodies near the reported location (geographic proximity only), and TMDL records that SMARTS lists for this facility. Neither establishes where the facility discharges; see Receiving water for the facility's own statement.
Nearby waterbodies Evidence: geographic proximity
Spatial proximity only; discharge pathway not established. Being near a waterbody does not mean the facility discharges to it.
No 2026 Integrated Report waterbody lies within the proximity threshold of the reported location.
SMARTS TMDL records Evidence: SMARTS-reported
No TMDL records for this facility in the SMARTS TMDL export.
Reported monitoring results Evidence: facility-reported
Numeric Action Level (NAL) screening is being independently validated and is not shown. Nothing on this page states whether a result exceeded a NAL.
243 distinct measurements across 3 parameters, most recent sample Feb 20, 2026.
By reporting year
| Reporting year (July–June) | Distinct results | Parameters | With several versions | First sample | Last sample |
|---|---|---|---|---|---|
| 2025 | 24 | 3 | 0 | Nov 21, 2025 | Feb 20, 2026 |
| 2024 | 15 | 3 | 0 | Mar 13, 2025 | Mar 13, 2025 |
| 2023 | 12 | 3 | 0 | Dec 26, 2023 | Dec 26, 2023 |
| 2022 | 48 | 3 | 0 | Nov 08, 2022 | Feb 24, 2023 |
| 2021 | 24 | 3 | 0 | Dec 14, 2021 | Mar 28, 2022 |
| 2020 | 24 | 3 | 0 | Dec 29, 2020 | Jan 29, 2021 |
| 2019 | 36 | 3 | 0 | Dec 04, 2019 | Mar 16, 2020 |
| 2018 | 48 | 3 | 0 | Nov 29, 2018 | Mar 06, 2019 |
| 2017 | 12 | 3 | 0 | Jan 09, 2018 | Jan 09, 2018 |
By parameter
| Parameter | Units | Measurements | Below detection | First sample | Last sample | Results |
|---|---|---|---|---|---|---|
| Oil and Grease | mg/L | 81 | 38 | Jan 09, 2018 | Feb 20, 2026 | Results |
| pH | SU | 81 | 0 | Jan 09, 2018 | Feb 20, 2026 | Results |
| Total Suspended Solids (TSS) | mg/L | 81 | 0 | Jan 09, 2018 | Feb 20, 2026 | Results |
All results (243 distinct rows)
| Sample date | Parameter | Result | Units | Location type | Event | Method | Report | Versions |
|---|---|---|---|---|---|---|---|---|
| Feb 20, 2026 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1376128 | |
| Feb 20, 2026 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1376128 | |
| Feb 20, 2026 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1376128 | |
| Feb 20, 2026 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1376128 | |
| Feb 20, 2026 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1376128 | |
| Feb 20, 2026 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1376128 | |
| Feb 20, 2026 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1376128 | |
| Feb 20, 2026 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1376128 | |
| Feb 20, 2026 | Total Suspended Solids (TSS) | 5.8 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1376128 | |
| Feb 20, 2026 | Total Suspended Solids (TSS) | 1.4 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1376128 | |
| Feb 20, 2026 | Total Suspended Solids (TSS) | 27.5 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1376128 | |
| Feb 20, 2026 | Total Suspended Solids (TSS) | 15.9 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1376128 | |
| Nov 21, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1376124 | |
| Nov 21, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1376124 | |
| Nov 21, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1376124 | |
| Nov 21, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1376124 | |
| Nov 21, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1376124 | |
| Nov 21, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1376124 | |
| Nov 21, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1376124 | |
| Nov 21, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1376124 | |
| Nov 21, 2025 | Total Suspended Solids (TSS) | 15.1 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1376124 | |
| Nov 21, 2025 | Total Suspended Solids (TSS) | 114 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1376124 | |
| Nov 21, 2025 | Total Suspended Solids (TSS) | 14.9 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1376124 | |
| Nov 21, 2025 | Total Suspended Solids (TSS) | 2.5 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1376124 | |
| Mar 13, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1343995 | |
| Mar 13, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1343995 | |
| Mar 13, 2025 | Oil and Grease | 9.58 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1343995 | |
| Mar 13, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1343995 | |
| Mar 13, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1344250 | |
| Mar 13, 2025 | pH | 6.7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1343995 | |
| Mar 13, 2025 | pH | 6.7 | SU | Effluent | Qualifying Storm Event | pH_Field | 1343995 | |
| Mar 13, 2025 | pH | 6.7 | SU | Effluent | Qualifying Storm Event | pH_Field | 1343995 | |
| Mar 13, 2025 | pH | 6.7 | SU | Effluent | Qualifying Storm Event | pH_Field | 1343995 | |
| Mar 13, 2025 | pH | 6.7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1344250 | |
| Mar 13, 2025 | Total Suspended Solids (TSS) | 53.9 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1343995 | |
| Mar 13, 2025 | Total Suspended Solids (TSS) | 53.2 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1343995 | |
| Mar 13, 2025 | Total Suspended Solids (TSS) | 46.3 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1343995 | |
| Mar 13, 2025 | Total Suspended Solids (TSS) | 51.1 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1343995 | |
| Mar 13, 2025 | Total Suspended Solids (TSS) | 53.9 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1344250 | |
| Dec 26, 2023 | Oil and Grease | 1.91 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1272338 | |
| Dec 26, 2023 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1272338 | |
| Dec 26, 2023 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1272338 | |
| Dec 26, 2023 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1272338 | |
| Dec 26, 2023 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1272338 | |
| Dec 26, 2023 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1272338 | |
| Dec 26, 2023 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1272338 | |
| Dec 26, 2023 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1272338 | |
| Dec 26, 2023 | Total Suspended Solids (TSS) | 8.7 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1272338 | |
| Dec 26, 2023 | Total Suspended Solids (TSS) | 2 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1272338 | |
| Dec 26, 2023 | Total Suspended Solids (TSS) | 9.41 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1272338 |
Results are shown exactly as reported by the discharger. Identical rows repeated in the State's export are shown once. Where the export contains different versions of the same sample and parameter, each version is listed and flagged. Details.
Compliance and enforcement records Evidence: SMARTS record
These are records as the State Water Board publishes them in SMARTS, with the source's own types and statuses. They are not a compliance determination or rating. A record listed here is not proof of a violation beyond what the source states, and the absence of records does not establish compliance.
| Record type | Records | As published | Dates | Retrieved | List |
|---|---|---|---|---|---|
| Violations | 0 | 0 Violation · 0 Potential (preliminary) · 0 Dismissed | — | Oct 21, 2026 | |
| Enforcement actions | 0 | 0 issued · 0 draft · 0 withdrawn, rescinded or superseded | — | Oct 21, 2026 | |
| Inspections | 3 | inspections, not findings | Jan 11, 2018 – Apr 09, 2026 | Oct 21, 2026 | All inspections |
| Annual reports | 10 | certified reports (contents not shown) | 2016 – 2025 | Oct 21, 2026 | All reports |
| Water-quality-based corrective action reports | 0 | reports, by parameter | — | Oct 21, 2026 |
Each record type is counted by its own SMARTS identifier. A violation and the enforcement action that cites it are two records in two lists; they are never added together.
Chronological record history (13 records, newest first)
| Date | Record | ID | Type or purpose | Status as published | Detail |
|---|---|---|---|---|---|
| Jul 08, 2026 | Annual reports | 1339682 | Annual report 2025 | — | |
| Apr 09, 2026 | Inspections | 2070619 | B Type compliance | Finalized | Additional Info Required |
| Mar 12, 2026 | Inspections | 2070918 | Complaint | Finalized | No Further Action |
| Jul 21, 2025 | Annual reports | 1298755 | Annual report 2024 | — | |
| Jul 15, 2024 | Annual reports | 1248055 | Annual report 2023 | — | |
| Jun 21, 2023 | Annual reports | 1194287 | Annual report 2022 | — | |
| Jun 23, 2022 | Annual reports | 1118216 | Annual report 2021 | — | |
| Jun 29, 2021 | Annual reports | 1066490 | Annual report 2020 | — | |
| Jun 24, 2020 | Annual reports | 983626 | Annual report 2019 | — | |
| Jul 12, 2019 | Annual reports | 959943 | Annual report 2018 | — | |
| Jul 16, 2018 | Annual reports | 945326 | Annual report 2017 | — | |
| Jan 30, 2018 | Annual reports | 931179 | Annual report 2016 | — | |
| Jan 11, 2018 | Inspections | 2036422 | B Type compliance | — | No Further Action |
Sources and provenance
| Information | Source | Retrieved or published |
|---|---|---|
| Permit, location, receiving-water text | SMARTS Industrial Application Specific Data | Oct 20, 2026 |
| Permit history | SMARTS Storm Water Applications | Oct 20, 2026 |
| Monitoring results | SMARTS Industrial Parameter Data | Oct 20, 2026 |
| Watershed Boundary Dataset HU2 GeoPackages 15, 16, 18 (WBDHU12) | USGS | 2026-10-22 |
| 2026 California Integrated Report, Appendix A: 2026 303(d) List (final) | SWRCB | 2026-10-22 |
| Final_2026_Rivers_and_Streams + Final_2026_Lakes_and_Reservoirs (FeatureServer 0) | SWRCB GIS | 2026-10-22 |
| SMARTS TMDL requirements | SMARTS | 2026-10-21 |
Relationships computed 2026-10-22 with methods facility_huc12/1, proximity/1, receiving_water/2, tmdl_reference/1, waterbody_huc12_ovl/1, waterbody_huc12_pub/1; proximity threshold 1.0 km.
How to read the evidence labels
- Evidence: SMARTS record Evidence: facility-reported Information as published in SMARTS or reported by the discharger.
- Evidence: identification corroborated The reported receiving-water name identifies one official waterbody and the facility's location is consistent with it. It does not establish a discharge pathway.
- Evidence: candidate, awaiting review Evidence: not confirmed The reported name could match one or more official waterbodies, but no identification has been confirmed; nothing is assigned without review.
- Evidence: spatial Evidence: geographic proximity Derived from the reported location only.
- Evidence: SMARTS-reported Source records whose links to official references are not yet reviewed.
- Evidence: unavailable The information could not be loaded or is not in the sources.
Records are shown as published and are not compliance determinations. How geographic context is derived.