Gilroy Maintenance Facility
Active WDID 3 43I016608 Gilroy, Santa Clara County Region 3 · Central Coast
At a glance
- Permit Evidence: SMARTS record
- Active Industrial
- Notice of Intent (WDID code I) · Permits and applications
- Location Evidence: facility-reported
- Gilroy, Santa Clara County
- Region 3 · Central Coast · Location · Statewide map
- 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
- 616 distinct results, 11 reporting years (2015 to 2025)
- Most recent sample Nov 13, 2025 · Monitoring
- Compliance and enforcement records Evidence: SMARTS record
- 0 inspections · 2 violation records · 3 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
- 37.00256, -121.56664
- 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
- 7150 Monterey St, Gilroy 95020
- Regional Water Board
- 3 — Central Coast
HUC12 watershed Evidence: spatial
- Lower Llagas Creek HUC12 180600020303
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
- TransitAmerica Services Incorporated
- Primary industry (SIC)
- 4111-Local and Suburban Transit
- Application ID
- 186408
- NOI processed
- Jul 02, 2001
- Last certified
- May 02, 2025
- Facility size
- 4 Acres
Retrieved from SMARTS Oct 20, 2026. Verify against SMARTS before relying on it.
Permit history
| Application | Type | Status | Processed | Terminated | Certified |
|---|---|---|---|---|---|
| 186408 | Industrial | Active | Jul 02, 2001 | — | May 02, 2025 |
Every storm water application SMARTS records for this WDID, newest first (1).
Receiving water
- Reported by the facility Evidence: facility-reported
- Llegas Creek
- Discharges directly / indirectly
- N / Y (as answered in the permit application)
Evidence: not confirmed Not matchable to a single waterbody
Receiving-water text as reported by the discharger in SMARTS; no waterbody identification has been confirmed.
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.
616 distinct measurements across 6 parameters, most recent sample Nov 13, 2025.
By reporting year
| Reporting year (July–June) | Distinct results | Parameters | With several versions | First sample | Last sample |
|---|---|---|---|---|---|
| 2025 | 18 | 6 | 0 | Nov 13, 2025 | Nov 13, 2025 |
| 2024 | 12 | 6 | 0 | Feb 04, 2025 | Feb 04, 2025 |
| 2023 | 28 | 6 | 0 | Dec 20, 2023 | Jan 31, 2024 |
| 2022 | 72 | 6 | 0 | Nov 08, 2022 | Jan 09, 2023 |
| 2021 | 30 | 6 | 0 | Oct 24, 2021 | Dec 13, 2021 |
| 2020 | 18 | 6 | 0 | Jan 27, 2021 | Jan 27, 2021 |
| 2019 | 96 | 6 | 0 | Dec 07, 2019 | Apr 05, 2020 |
| 2018 | 90 | 6 | 0 | Nov 28, 2018 | Feb 13, 2019 |
| 2017 | 90 | 6 | 0 | Nov 16, 2017 | Apr 07, 2018 |
| 2016 | 78 | 6 | 0 | Oct 28, 2016 | Mar 21, 2017 |
| 2015 | 84 | 6 | 0 | Nov 09, 2015 | Mar 11, 2016 |
By parameter
| Parameter | Units | Measurements | Below detection | First sample | Last sample | Results |
|---|---|---|---|---|---|---|
| pH | SU | 103 | 0 | Nov 09, 2015 | Nov 13, 2025 | Results |
| Total Suspended Solids (TSS) | mg/L | 103 | 1 | Nov 09, 2015 | Nov 13, 2025 | Results |
| Oil and Grease | mg/L | 101 | 75 | Nov 09, 2015 | Nov 13, 2025 | Results |
| Copper, Total Recoverable | mg/L | 92 | 0 | Mar 11, 2016 | Nov 13, 2025 | Results |
| Lead, Total Recoverable | mg/L | 92 | 26 | Mar 11, 2016 | Nov 13, 2025 | Results |
| Zinc, Total Recoverable | mg/L | 92 | 1 | Mar 11, 2016 | Nov 13, 2025 | Results |
| Copper, Total Recoverable | ug/L | 11 | 0 | Nov 09, 2015 | Jan 05, 2016 | Results |
| Lead, Total Recoverable | ug/L | 11 | 0 | Nov 09, 2015 | Jan 05, 2016 | Results |
| Zinc, Total Recoverable | ug/L | 11 | 0 | Nov 09, 2015 | Jan 05, 2016 | Results |
All results (616 distinct rows)
| Sample date | Parameter | Result | Units | Location type | Event | Method | Report | Versions |
|---|---|---|---|---|---|---|---|---|
| Nov 13, 2025 | Copper, Total Recoverable | .00431 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1358906 | |
| Nov 13, 2025 | Copper, Total Recoverable | .00831 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1358906 | |
| Nov 13, 2025 | Copper, Total Recoverable | .00498 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1358906 | |
| Nov 13, 2025 | Lead, Total Recoverable | .00181 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1358906 | |
| Nov 13, 2025 | Lead, Total Recoverable | .00139 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1358906 | |
| Nov 13, 2025 | Lead, Total Recoverable | .00176 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1358906 | |
| Nov 13, 2025 | Oil and Grease | 2.3 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1358906 | |
| Nov 13, 2025 | Oil and Grease | 3.3 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1358906 | |
| Nov 13, 2025 | Oil and Grease | 2.8 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1358906 | |
| Nov 13, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1358906 | |
| Nov 13, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1358906 | |
| Nov 13, 2025 | pH | 6 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1358906 | |
| Nov 13, 2025 | Total Suspended Solids (TSS) | 27 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1358906 | |
| Nov 13, 2025 | Total Suspended Solids (TSS) | 7.3 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1358906 | |
| Nov 13, 2025 | Total Suspended Solids (TSS) | 100 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1358906 | |
| Nov 13, 2025 | Zinc, Total Recoverable | .024 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1358906 | |
| Nov 13, 2025 | Zinc, Total Recoverable | .021 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1358906 | |
| Nov 13, 2025 | Zinc, Total Recoverable | .035 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1358906 | |
| Feb 04, 2025 | Copper, Total Recoverable | .0219 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1324094 | |
| Feb 04, 2025 | Copper, Total Recoverable | .00716 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1324094 | |
| Feb 04, 2025 | Lead, Total Recoverable | .012 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1324094 | |
| Feb 04, 2025 | Lead, Total Recoverable | .0045 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1324094 | |
| Feb 04, 2025 | Oil and Grease | 4.3 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1324094 | |
| Feb 04, 2025 | Oil and Grease | 4.4 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1324094 | |
| Feb 04, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1324094 | |
| Feb 04, 2025 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1324094 | |
| Feb 04, 2025 | Total Suspended Solids (TSS) | 83 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1324094 | |
| Feb 04, 2025 | Total Suspended Solids (TSS) | 51 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1324094 | |
| Feb 04, 2025 | Zinc, Total Recoverable | .0872 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1324094 | |
| Feb 04, 2025 | Zinc, Total Recoverable | .0451 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1324094 | |
| Jan 31, 2024 | Copper, Total Recoverable | .003 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1279189 | |
| Jan 31, 2024 | Copper, Total Recoverable | .0145 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1279189 | |
| Jan 31, 2024 | Lead, Total Recoverable | .00092 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1279189 | |
| Jan 31, 2024 | Lead, Total Recoverable | .0054 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1279189 | |
| Jan 31, 2024 | Oil and Grease | ND 1.4 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1279189 | |
| Jan 31, 2024 | Oil and Grease | ND 1.4 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1279189 | |
| Jan 31, 2024 | pH | 6 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1279189 | |
| Jan 31, 2024 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1279189 | |
| Jan 31, 2024 | Total Suspended Solids (TSS) | 9.5 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1279189 | |
| Jan 31, 2024 | Total Suspended Solids (TSS) | 58 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1279189 | |
| Jan 31, 2024 | Zinc, Total Recoverable | .009 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1279189 | |
| Jan 31, 2024 | Zinc, Total Recoverable | .054 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1279189 | |
| Dec 20, 2023 | Copper, Total Recoverable | .00496 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1272815 | |
| Dec 20, 2023 | Copper, Total Recoverable | .0192 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1272815 | |
| Dec 20, 2023 | Copper, Total Recoverable | .00181 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1272815 | |
| Dec 20, 2023 | Lead, Total Recoverable | .0023 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1272815 | |
| Dec 20, 2023 | Lead, Total Recoverable | .0019 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1272815 | |
| Dec 20, 2023 | Lead, Total Recoverable | .00071 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1272815 | |
| Dec 20, 2023 | Oil and Grease | ND 1.7 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1272815 | |
| Dec 20, 2023 | pH | 6 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1272815 |
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 | 2 | 2 Violation · 0 Potential (preliminary) · 0 Dismissed | Jul 01, 2007 – Jul 01, 2013 | Oct 21, 2026 | All violations |
| Enforcement actions | 3 | 3 issued · 0 draft · 0 withdrawn, rescinded or superseded | Jul 12, 2007 – Aug 09, 2013 | Oct 21, 2026 | All actions |
| Inspections | 0 | inspections, not findings | — | Oct 21, 2026 | |
| 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 | 2021-22 – 2021-22 | 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 (17 records, newest first)
| Date | Record | ID | Type or purpose | Status as published | Detail |
|---|---|---|---|---|---|
| Jun 10, 2026 | Annual reports | 1336892 | Annual report 2025 | — | |
| Jul 11, 2025 | Annual reports | 1295779 | Annual report 2024 | — | |
| Jun 19, 2024 | Annual reports | 1244945 | Annual report 2023 | — | |
| Jun 05, 2023 | Annual reports | 1191029 | Annual report 2022 | — | |
| Jul 12, 2022 | Annual reports | 1114555 | Annual report 2021 | — | |
| Jul 08, 2021 | Annual reports | 1070650 | Annual report 2020 | — | |
| Jun 23, 2020 | Annual reports | 988060 | Annual report 2019 | — | |
| Jun 11, 2019 | Annual reports | 955688 | Annual report 2018 | — | |
| Jun 12, 2018 | Annual reports | 941111 | Annual report 2017 | — | |
| Jun 21, 2017 | Annual reports | 880478 | Annual report 2016 | — | |
| Jun 10, 2016 | Annual reports | 846117 | Annual report 2015 | — | |
| Aug 09, 2013 | Enforcement actions | 413110 | 1st NNC - AR (First Notice of Non-Compliance (annual report)) | Active | |
| Jul 01, 2013 | Violations | 851723 | Late Report | Violation | Report |
| Jul 12, 2007 | Enforcement actions | 329332 | NNC (Notice of Non-Compliance) | Active | |
| Jul 12, 2007 | Enforcement actions | 331478 | NNC (Notice of Non-Compliance) | Active | |
| Jul 01, 2007 | Violations | 598718 | Late Report | Violation | Report |
| — | Water-quality-based corrective action reports | 1153516 | WQBCAR 2021-22 | — | Zinc, Dissolved |
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.