Metro Division 30

Active WDID 4 19I000504 Los Angeles, Los Angeles 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
Los Angeles, Los Angeles County
Region 4 · Los Angeles · Location · Statewide map
Receiving water
Los Angeles River (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
1 waterbody; 1 on the 2026 303(d) list
Proximity only; not a discharge pathway · Nearby waterbodies
Monitoring results Evidence: facility-reported
357 distinct results, 11 reporting years (2015 to 2025)
Most recent sample Feb 16, 2026 · Monitoring
Compliance and enforcement records Evidence: SMARTS record
2 inspections · 2 violation records · 2 enforcement actions
Counts as published in SMARTS; not a compliance determination · Details
SMARTS TMDL records Evidence: SMARTS-reported
0 records
TMDL records

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

Open this facility on the statewide map

Reported location Evidence: facility-reported

Coordinates
34.05729, -118.22867
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
470 Bauchet St, Los Angeles 90012
Regional Water Board
4 — Los Angeles

HUC12 watershed Evidence: spatial

  • Chavez Ravine-Los Angeles River HUC12 180701050401

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
Los Angeles Metro Environmental Services Division
Primary industry (SIC)
4111-Local and Suburban Transit
Application ID
188633
NOI processed
Mar 13, 1992
Last certified
Jun 30, 2015
Facility size
35 Acres
Impervious area
32 %

Retrieved from SMARTS Oct 20, 2026. Verify against SMARTS before relying on it.

Permit history

Storm water applications for this WDID, newest first
ApplicationTypeStatusProcessedTerminatedCertified
188633 IndustrialActiveMar 13, 1992 —Jun 30, 2015

Every storm water application SMARTS records for this WDID, newest first (1).

Receiving water

Reported by the facility Evidence: facility-reported
Los Angeles River
Discharges directly / indirectly
Y / N (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

7 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.

Nearest 2026 Integrated Report waterbodies
Waterbody (2026 Integrated Report)Distance2026 303(d) listAppendix A decisions
Los Angeles River Reach 2 (Carson to Figueroa Street) CAR4051501019990202085021194 m listed9

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.

357 distinct measurements across 10 parameters, most recent sample Feb 16, 2026.

By reporting year

Distinct results by reporting year
Reporting year (July–June)Distinct resultsParametersWith several versionsFirst sampleLast sample
2025145 0 Nov 14, 2025Feb 16, 2026
2024144 0 Feb 13, 2025Mar 05, 2025
2023114 0 Dec 20, 2023Jan 22, 2024
2022144 0 Nov 08, 2022Jan 09, 2023
2021155 0 Dec 14, 2021Mar 28, 2022
2020105 0 Jan 28, 2021Jan 28, 2021
201955 0 Nov 27, 2019Nov 27, 2019
2018105 0 Nov 29, 2018Feb 14, 2019
2017147 0 Mar 10, 2018Mar 21, 2018
20161477 0 Dec 15, 2016Feb 17, 2017
20151037 0 Jan 05, 2016Mar 06, 2016

By parameter

Distinct results by parameter
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Oil and Greasemg/L64 22Jan 05, 2016Feb 16, 2026 Results
pHSU64 0Jan 05, 2016Feb 16, 2026 Results
Total Suspended Solids (TSS)mg/L64 3Jan 05, 2016Feb 16, 2026 Results
Copper, Totalmg/L41 0Jan 05, 2016Jan 28, 2021 Results
Zinc, Totalmg/L41 0Jan 05, 2016Jan 28, 2021 Results
Cadmium, Totalmg/L36 15Jan 05, 2016Mar 21, 2018 Results
Lead, Totalmg/L36 6Jan 05, 2016Mar 21, 2018 Results
Iron, Totalmg/L9 5Dec 14, 2021Nov 14, 2025 Results
Copper, Total Recoverableug/L1 0Dec 14, 2021Dec 14, 2021 Results
Iron, Total Recoverableug/L1 1Feb 16, 2026Feb 16, 2026 Results

All results (357 distinct rows)

Reported monitoring results, newest first
Sample dateParameterResultUnitsLocation typeEventMethodReportVersions
Feb 16, 2026 Iron, Total Recoverable DNQ 353 ug/L Effluent Qualifying Storm Event E200.7 1368027
Feb 16, 2026 Oil and Grease 1.07 mg/L Effluent Qualifying Storm Event E1664A 1368027
Feb 16, 2026 Oil and Grease 1.54 mg/L Effluent Qualifying Storm Event E1664A 1368027
Feb 16, 2026 pH 7.79 SU Effluent Qualifying Storm Event pH_Field 1368027
Feb 16, 2026 pH 7.94 SU Effluent Qualifying Storm Event pH_Field 1368027
Feb 16, 2026 Total Suspended Solids (TSS) 9.7 mg/L Effluent Qualifying Storm Event A2540D 1368027
Feb 16, 2026 Total Suspended Solids (TSS) 37.4 mg/L Effluent Qualifying Storm Event A2540D 1368027
Nov 14, 2025 Iron, Total 1.49 mg/L Effluent Qualifying Storm Event E200.7 1359609
Nov 14, 2025 Oil and Grease 3.07 mg/L Effluent Qualifying Storm Event E1664A 1359609
Nov 14, 2025 Oil and Grease 1.26 mg/L Effluent Qualifying Storm Event E1664A 1359609
Nov 14, 2025 pH 7.89 SU Effluent Qualifying Storm Event pH_Field 1359609
Nov 14, 2025 pH 8.03 SU Effluent Qualifying Storm Event pH_Field 1359609
Nov 14, 2025 Total Suspended Solids (TSS) 38.8 mg/L Effluent Qualifying Storm Event A2540D 1359609
Nov 14, 2025 Total Suspended Solids (TSS) 63.6 mg/L Effluent Qualifying Storm Event A2540D 1359609
Mar 05, 2025 Iron, Total DNQ .338 mg/L Effluent Qualifying Storm Event E200.7 1325107
Mar 05, 2025 Oil and Grease 1.22 mg/L Effluent Qualifying Storm Event E1664A 1325107
Mar 05, 2025 Oil and Grease 1.15 mg/L Effluent Qualifying Storm Event E1664A 1325107
Mar 05, 2025 pH 7.96 SU Effluent Qualifying Storm Event pH_Field 1325107
Mar 05, 2025 pH 7.62 SU Effluent Qualifying Storm Event pH_Field 1325107
Mar 05, 2025 Total Suspended Solids (TSS) 13.6 mg/L Effluent Qualifying Storm Event A2540D 1325107
Mar 05, 2025 Total Suspended Solids (TSS) 34.6 mg/L Effluent Qualifying Storm Event A2540D 1325107
Feb 13, 2025 Iron, Total 1.69 mg/L Effluent Qualifying Storm Event E200.7 1324202
Feb 13, 2025 Oil and Grease .967 mg/L Effluent Qualifying Storm Event E1664A 1324202
Feb 13, 2025 Oil and Grease DNQ .77 mg/L Effluent Qualifying Storm Event E1664A 1324202
Feb 13, 2025 pH 8.26 SU Effluent Qualifying Storm Event pH_Field 1324202
Feb 13, 2025 pH 8.09 SU Effluent Qualifying Storm Event pH_Field 1324202
Feb 13, 2025 Total Suspended Solids (TSS) 26.8 mg/L Effluent Qualifying Storm Event A2540D 1324202
Feb 13, 2025 Total Suspended Solids (TSS) 85.7 mg/L Effluent Qualifying Storm Event A2540D 1324202
Jan 22, 2024 Iron, Total .483 mg/L Effluent Qualifying Storm Event E200.7 1277443
Jan 22, 2024 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 1277443
Jan 22, 2024 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 1277443
Jan 22, 2024 pH 7.28 SU Effluent Qualifying Storm Event pH_Field 1277443
Jan 22, 2024 pH 6.8 SU Effluent Qualifying Storm Event pH_Field 1277443
Jan 22, 2024 Total Suspended Solids (TSS) 14.6 mg/L Effluent Qualifying Storm Event A2540D 1277443
Jan 22, 2024 Total Suspended Solids (TSS) 26.2 mg/L Effluent Qualifying Storm Event A2540D 1277443
Dec 20, 2023 Iron, Total ND mg/L Effluent Qualifying Storm Event E200.7 1272461
Dec 20, 2023 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 1272461
Dec 20, 2023 pH 8.43 SU Effluent Qualifying Storm Event pH_Field 1272461
Dec 20, 2023 Total Suspended Solids (TSS) 1.9 mg/L Effluent Qualifying Storm Event A2540D 1272461
Jan 09, 2023 Iron, Total DNQ .193 mg/L Effluent Qualifying Storm Event E200.7 1224385
Jan 09, 2023 Oil and Grease DNQ .66 mg/L Effluent Qualifying Storm Event E1664A 1224385
Jan 09, 2023 Oil and Grease 1.05 mg/L Effluent Qualifying Storm Event E1664A 1224385
Jan 09, 2023 pH 6.7 SU Effluent Qualifying Storm Event pH_Field 1224385
Jan 09, 2023 pH 6 SU Effluent Qualifying Storm Event pH_Field 1224385
Jan 09, 2023 Total Suspended Solids (TSS) 4.4 mg/L Effluent Qualifying Storm Event A2540D 1224385
Jan 09, 2023 Total Suspended Solids (TSS) 1.7 mg/L Effluent Qualifying Storm Event A2540D 1224385
Nov 08, 2022 Iron, Total DNQ .1 mg/L Effluent Qualifying Storm Event E200.7 1215910
Nov 08, 2022 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 1215910
Nov 08, 2022 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 1215910
Nov 08, 2022 pH 7.9 SU Effluent Qualifying Storm Event pH_Field 1215910

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.

Compliance and enforcement records by type
Record typeRecordsAs publishedDatesRetrievedList
Violations2 2 Violation · 0 Potential (preliminary) · 0 Dismissed Nov 20, 2001 – Dec 15, 2008 Oct 21, 2026 All violations
Enforcement actions2 2 issued · 0 draft · 0 withdrawn, rescinded or superseded Nov 27, 2001 – May 20, 2010 Oct 21, 2026 All actions
Inspections2inspections, not findings Nov 20, 2001 – Jan 26, 2022 Oct 21, 2026 All inspections
Annual reports11certified reports (contents not shown) 2015 – 2025 Oct 21, 2026 All reports
Water-quality-based corrective action reports0reports, 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 (17 records, newest first)
Compliance and enforcement records, newest first
DateRecordIDType or purposeStatus as publishedDetail
Jul 15, 2026 Annual reports 1336854 Annual report 2025 —
Jul 10, 2025 Annual reports 1295740 Annual report 2024 —
Jul 12, 2024 Annual reports 1244906 Annual report 2023 —
Jul 13, 2023 Annual reports 1190988 Annual report 2022 —
Jul 14, 2022 Annual reports 1114507 Annual report 2021 —
Jan 26, 2022 Inspections 2054805 B Type compliance FinalizedNo Further Action
Jul 14, 2021 Annual reports 1070601 Annual report 2020 —
Jul 16, 2020 Annual reports 988007 Annual report 2019 —
Jul 15, 2019 Annual reports 955635 Annual report 2018 —
Jul 13, 2018 Annual reports 941057 Annual report 2017 —
Jul 14, 2017 Annual reports 880421 Annual report 2016 —
Jul 22, 2016 Annual reports 840996 Annual report 2015 —
May 20, 2010 Enforcement actions 403667 SEL (Staff Enforcement Letter) Historical
Dec 15, 2008 Violations 843334 Deficient BMP Implementation ViolationReport
Nov 27, 2001 Enforcement actions 240196 NOV (Notice of Violation) HistoricalUNKNOWN
Nov 20, 2001 Inspections 1734959 B Type compliance —
Nov 20, 2001 Violations 200730 Deficient BMP Implementation ViolationInspection

Sources and provenance

Sources behind this page
InformationSourceRetrieved or published
Permit, location, receiving-water textSMARTS Industrial Application Specific DataOct 20, 2026
Permit historySMARTS Storm Water ApplicationsOct 20, 2026
Monitoring resultsSMARTS Industrial Parameter DataOct 20, 2026
Watershed Boundary Dataset HU2 GeoPackages 15, 16, 18 (WBDHU12)USGS2026-10-22
2026 California Integrated Report, Appendix A: 2026 303(d) List (final)SWRCB2026-10-22
Final_2026_Rivers_and_Streams + Final_2026_Lakes_and_Reservoirs (FeatureServer 0)SWRCB GIS2026-10-22
SMARTS TMDL requirementsSMARTS2026-10-21

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

Records are shown as published and are not compliance determinations. How geographic context is derived.