Grether Treiberg Farm
Active WDID 4 56I021985 Camarillo, 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
- Camarillo, Ventura County
- Region 4 · Los Angeles · Location · Statewide map
- Receiving water
- Calleguas (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
- 2 waterbodies; 1 on the 2026 303(d) list
- Proximity only; not a discharge pathway · Nearby waterbodies
- Monitoring results Evidence: facility-reported
- 396 distinct results, 11 reporting years (2015 to 2025)
- Most recent sample Feb 17, 2026 · Monitoring
- Compliance and enforcement records Evidence: SMARTS record
- 1 inspection · 5 violation records · 5 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
- 34.25074, -119.11426
- 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
- 5415 Santa Clara Ave, Camarillo 93010
- Regional Water Board
- 4 — Los Angeles
HUC12 watershed Evidence: spatial
- Mugu Lagoon HUC12 180701030201
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
- Grether Treiberg Farm Group
- Primary industry (SIC)
- 4212-Local Trucking Without Storage
- Application ID
- 359109
- NOI processed
- Dec 31, 2008
- Last certified
- Jun 24, 2015
- Facility size
- 5 Acres
- Impervious area
- 60 %
Retrieved from SMARTS Oct 20, 2026. Verify against SMARTS before relying on it.
Permit history
| Application | Type | Status | Processed | Terminated | Certified |
|---|---|---|---|---|---|
| 359109 | Industrial | Active | Dec 31, 2008 | — | Jun 24, 2015 |
Every storm water application SMARTS records for this WDID, newest first (1).
Receiving water
- Reported by the facility Evidence: facility-reported
- Calleguas
- 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
15 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.
| Waterbody (2026 Integrated Report) | Distance | 2026 303(d) list | Appendix A decisions |
|---|---|---|---|
| La Vista Drain (Ventura County) CAR4036100020110721205251 | 13 m | listed | 2 |
| Santa Clara Drain (Ventura County) CAR4031100020110721205629 | 270 m | not listed | 0 |
Waterbodies within 1.0 km of the reported facility location. Method proximity/1.
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.
396 distinct measurements across 4 parameters, most recent sample Feb 17, 2026.
By reporting year
| Reporting year (July–June) | Distinct results | Parameters | With several versions | First sample | Last sample |
|---|---|---|---|---|---|
| 2025 | 27 | 3 | 0 | Oct 14, 2025 | Feb 17, 2026 |
| 2024 | 30 | 4 | 0 | Feb 05, 2025 | Mar 14, 2025 |
| 2023 | 39 | 4 | 0 | Dec 22, 2023 | Mar 06, 2024 |
| 2022 | 48 | 4 | 0 | Dec 12, 2022 | Feb 24, 2023 |
| 2021 | 36 | 4 | 0 | Dec 14, 2021 | Mar 28, 2022 |
| 2020 | 36 | 4 | 0 | Dec 28, 2020 | Mar 11, 2021 |
| 2019 | 36 | 3 | 0 | Dec 04, 2019 | Mar 16, 2020 |
| 2018 | 36 | 3 | 0 | Nov 29, 2018 | Jan 17, 2019 |
| 2017 | 27 | 3 | 0 | Mar 02, 2018 | Mar 21, 2018 |
| 2016 | 36 | 3 | 0 | Dec 06, 2016 | Mar 21, 2017 |
| 2015 | 45 | 3 | 0 | Jan 05, 2016 | Mar 11, 2016 |
By parameter
| Parameter | Units | Measurements | Below detection | First sample | Last sample | Results |
|---|---|---|---|---|---|---|
| Oil and Grease | mg/L | 120 | 47 | Jan 05, 2016 | Feb 17, 2026 | Results |
| pH | SU | 120 | 0 | Jan 05, 2016 | Feb 17, 2026 | Results |
| Total Suspended Solids (TSS) | mg/L | 120 | 0 | Jan 05, 2016 | Feb 17, 2026 | Results |
| Copper, Total | mg/L | 36 | 0 | Dec 28, 2020 | Feb 05, 2025 | Results |
All results (396 distinct rows)
| Sample date | Parameter | Result | Units | Location type | Event | Method | Report | Versions |
|---|---|---|---|---|---|---|---|---|
| Feb 17, 2026 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1369628 | |
| Feb 17, 2026 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1369628 | |
| Feb 17, 2026 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1369628 | |
| Feb 17, 2026 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1369628 | |
| Feb 17, 2026 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1369628 | |
| Feb 17, 2026 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1369628 | |
| Feb 17, 2026 | Total Suspended Solids (TSS) | 33.9 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1369628 | |
| Feb 17, 2026 | Total Suspended Solids (TSS) | 32.9 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1369628 | |
| Feb 17, 2026 | Total Suspended Solids (TSS) | 36 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1369628 | |
| Dec 24, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1364476 | |
| Dec 24, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1364476 | |
| Dec 24, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1364476 | |
| Dec 24, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1364476 | |
| Dec 24, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1364476 | |
| Dec 24, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1364476 | |
| Dec 24, 2025 | Total Suspended Solids (TSS) | 35.7 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1364476 | |
| Dec 24, 2025 | Total Suspended Solids (TSS) | 28.2 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1364476 | |
| Dec 24, 2025 | Total Suspended Solids (TSS) | 19.7 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1364476 | |
| Oct 14, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1358458 | |
| Oct 14, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1358458 | |
| Oct 14, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1358458 | |
| Oct 14, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1358458 | |
| Oct 14, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1358458 | |
| Oct 14, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1358458 | |
| Oct 14, 2025 | Total Suspended Solids (TSS) | 14.8 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1358458 | |
| Oct 14, 2025 | Total Suspended Solids (TSS) | 25.1 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1358458 | |
| Oct 14, 2025 | Total Suspended Solids (TSS) | 9.31 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1358458 | |
| Mar 14, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1330095 | |
| Mar 14, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1330095 | |
| Mar 14, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1330095 | |
| Mar 14, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1330095 | |
| Mar 14, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1330095 | |
| Mar 14, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1330095 | |
| Mar 14, 2025 | Total Suspended Solids (TSS) | 21.5 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1330095 | |
| Mar 14, 2025 | Total Suspended Solids (TSS) | 22.2 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1330095 | |
| Mar 14, 2025 | Total Suspended Solids (TSS) | 14 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1330095 | |
| Feb 13, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1324932 | |
| Feb 13, 2025 | Oil and Grease | 6.06 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1324932 | |
| Feb 13, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1324932 | |
| Feb 13, 2025 | pH | 6.9 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1324932 | |
| Feb 13, 2025 | pH | 6.9 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1324932 | |
| Feb 13, 2025 | pH | 6.9 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1324932 | |
| Feb 13, 2025 | Total Suspended Solids (TSS) | 50.5 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1324932 | |
| Feb 13, 2025 | Total Suspended Solids (TSS) | 51.6 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1324932 | |
| Feb 13, 2025 | Total Suspended Solids (TSS) | 33.6 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1324932 | |
| Feb 05, 2025 | Copper, Total | .0105 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1323440 | |
| Feb 05, 2025 | Copper, Total | .00823 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1323440 | |
| Feb 05, 2025 | Copper, Total | .0135 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1323440 | |
| Feb 05, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1323440 | |
| Feb 05, 2025 | Oil and Grease | ND | mg/L | Effluent | Qualifying Storm Event | E1664A | 1323440 |
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 | 5 | 5 Violation · 0 Potential (preliminary) · 0 Dismissed | Dec 15, 2008 – May 19, 2026 | Oct 21, 2026 | All violations |
| Enforcement actions | 5 | 5 issued · 0 draft · 0 withdrawn, rescinded or superseded | Jun 23, 2010 – May 19, 2026 | Oct 21, 2026 | All actions |
| Inspections | 1 | inspections, not findings | Sep 20, 2019 – Sep 20, 2019 | Oct 21, 2026 | All inspections |
| Annual reports | 11 | certified reports (contents not shown) | 2015 – 2025 | Oct 21, 2026 | All reports |
| Water-quality-based corrective action reports | 1 | reports, by parameter | 2022-23 – 2022-23 | Oct 21, 2026 | All reports |
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 (23 records, newest first)
| Date | Record | ID | Type or purpose | Status as published | Detail |
|---|---|---|---|---|---|
| Jul 08, 2026 | Annual reports | 1336492 | Annual report 2025 | — | |
| May 19, 2026 | Enforcement actions | 469951 | ACL (Administrative Civil Liability) | Historical | R4-2026-0085 |
| May 19, 2026 | Violations | 904026 | Late Report | Violation | Report |
| Jul 09, 2025 | Annual reports | 1295355 | Annual report 2024 | — | |
| Jul 27, 2024 | Water-quality-based corrective action reports | 1290852 | WQBCAR 2022-23 | — | Copper, Total |
| Jul 09, 2024 | Annual reports | 1244496 | Annual report 2023 | — | |
| Jun 12, 2024 | Enforcement actions | 453459 | ACL (Administrative Civil Liability) | Historical | R4-2024-0239 |
| Jun 12, 2024 | Violations | 889154 | Effluent | Violation | Report |
| Jun 12, 2024 | Violations | 889155 | Late Report | Violation | Report |
| Jul 12, 2023 | Annual reports | 1190558 | Annual report 2022 | — | |
| Sep 27, 2022 | Enforcement actions | 447777 | NOV (Notice of Violation) | Historical | |
| Sep 27, 2022 | Violations | 883106 | Incomplete/Insufficient SWPPP | Violation | Report |
| Jul 07, 2022 | Annual reports | 1114050 | Annual report 2021 | — | |
| Jul 09, 2021 | Annual reports | 1070122 | Annual report 2020 | — | |
| Jul 15, 2020 | Annual reports | 987487 | Annual report 2019 | — | |
| Sep 20, 2019 | Enforcement actions | 434978 | NTC (Notice to Comply) | Historical | |
| Sep 20, 2019 | Inspections | 2045008 | B Type compliance | — | No Further Action |
| Jun 30, 2019 | Annual reports | 955099 | Annual report 2018 | — | |
| Jul 06, 2018 | Annual reports | 940518 | Annual report 2017 | — | |
| Jul 11, 2017 | Annual reports | 879851 | Annual report 2016 | — | |
| Jul 12, 2016 | Annual reports | 839226 | Annual report 2015 | — | |
| Jun 23, 2010 | Enforcement actions | 404336 | SEL (Staff Enforcement Letter) | Historical | |
| Dec 15, 2008 | Violations | 843654 | Deficient BMP Implementation | Violation | Report |
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.