Metro Division 1

Active WDID 4 19I000486 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
199 distinct results, 10 reporting years (2016 to 2025)
Most recent sample Feb 16, 2026 · Monitoring
Compliance and enforcement records Evidence: SMARTS record
1 inspection · 3 violation records · 3 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
34.03815, -118.23785
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
1130 E 6th St, Los Angeles 90021
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
188617
NOI processed
Mar 13, 1992
Last certified
Jun 30, 2015
Facility size
10.01 Acres

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

Permit history

Storm water applications for this WDID, newest first
ApplicationTypeStatusProcessedTerminatedCertified
188617 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) CAR4051501019990202085021887 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.

199 distinct measurements across 7 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
2025153 0 Nov 14, 2025Feb 16, 2026
202493 0 Feb 13, 2025Feb 13, 2025
2023123 0 Dec 21, 2023Jan 22, 2024
2022153 0 Dec 11, 2022Jan 09, 2023
202193 0 Dec 14, 2021Mar 28, 2022
2020105 0 Jan 28, 2021Jan 28, 2021
2019155 0 Nov 27, 2019Nov 27, 2019
2018305 0 Nov 29, 2018Feb 14, 2019
2017427 0 Mar 10, 2018Mar 21, 2018
2016427 0 Dec 15, 2016Feb 17, 2017

By parameter

Distinct results by parameter
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Oil and Greasemg/L43 15Dec 15, 2016Feb 16, 2026 Results
pHSU43 3Dec 15, 2016Feb 16, 2026 Results
Total Suspended Solids (TSS)mg/L43 4Dec 15, 2016Feb 16, 2026 Results
Copper, Totalmg/L23 0Dec 15, 2016Jan 28, 2021 Results
Zinc, Totalmg/L23 0Dec 15, 2016Jan 28, 2021 Results
Cadmium, Totalmg/L12 5Dec 15, 2016Mar 21, 2018 Results
Lead, Totalmg/L12 0Dec 15, 2016Mar 21, 2018 Results

All results (199 distinct rows)

Reported monitoring results, newest first
Sample dateParameterResultUnitsLocation typeEventMethodReportVersions
Feb 16, 2026 Oil and Grease 3.43 mg/L Effluent Qualifying Storm Event E1664A 1367861
Feb 16, 2026 Oil and Grease 4.14 mg/L Effluent Qualifying Storm Event E1664A 1367861
Feb 16, 2026 Oil and Grease 20.6 mg/L Effluent Qualifying Storm Event E1664A 1367861
Feb 16, 2026 pH 7.19 SU Effluent Qualifying Storm Event pH_Field 1367861
Feb 16, 2026 pH 6.52 SU Effluent Qualifying Storm Event pH_Field 1367861
Feb 16, 2026 pH 7.88 SU Effluent Qualifying Storm Event pH_Field 1367861
Feb 16, 2026 Total Suspended Solids (TSS) 6.9 mg/L Effluent Qualifying Storm Event A2540D 1367861
Feb 16, 2026 Total Suspended Solids (TSS) 12 mg/L Effluent Qualifying Storm Event A2540D 1367861
Feb 16, 2026 Total Suspended Solids (TSS) 36.6 mg/L Effluent Qualifying Storm Event A2540D 1367861
Nov 14, 2025 Oil and Grease 2.19 mg/L Effluent Qualifying Storm Event E1664A 1359429
Nov 14, 2025 Oil and Grease 8.6 mg/L Effluent Qualifying Storm Event E1664A 1359429
Nov 14, 2025 pH 7.21 SU Effluent Qualifying Storm Event pH_Field 1359429
Nov 14, 2025 pH 7.61 SU Effluent Qualifying Storm Event pH_Field 1359429
Nov 14, 2025 Total Suspended Solids (TSS) 11.7 mg/L Effluent Qualifying Storm Event A2540D 1359429
Nov 14, 2025 Total Suspended Solids (TSS) 122 mg/L Effluent Qualifying Storm Event A2540D 1359429
Feb 13, 2025 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 1324038
Feb 13, 2025 Oil and Grease 2 mg/L Effluent Qualifying Storm Event E1664A 1324038
Feb 13, 2025 Oil and Grease 4.16 mg/L Effluent Qualifying Storm Event E1664A 1324038
Feb 13, 2025 pH 6.1 SU Effluent Qualifying Storm Event pH_Field 1324038
Feb 13, 2025 pH 7.4 SU Effluent Qualifying Storm Event pH_Field 1324038
Feb 13, 2025 pH 7.2 SU Effluent Qualifying Storm Event pH_Field 1324038
Feb 13, 2025 Total Suspended Solids (TSS) 3.2 mg/L Effluent Qualifying Storm Event A2540D 1324038
Feb 13, 2025 Total Suspended Solids (TSS) 25.4 mg/L Effluent Qualifying Storm Event A2540D 1324038
Feb 13, 2025 Total Suspended Solids (TSS) 60.4 mg/L Effluent Qualifying Storm Event A2540D 1324038
Jan 22, 2024 Oil and Grease 1.63 mg/L Effluent Qualifying Storm Event E1664A 1277404
Jan 22, 2024 Oil and Grease DNQ .863 mg/L Effluent Qualifying Storm Event E1664A 1277404
Jan 22, 2024 Oil and Grease 2.65 mg/L Effluent Qualifying Storm Event E1664A 1277404
Jan 22, 2024 pH 6.5 SU Effluent Qualifying Storm Event pH_Field 1277404
Jan 22, 2024 pH 7.6 SU Effluent Qualifying Storm Event pH_Field 1277404
Jan 22, 2024 pH 7.9 SU Effluent Qualifying Storm Event pH_Field 1277404
Jan 22, 2024 Total Suspended Solids (TSS) 37.7 mg/L Effluent Qualifying Storm Event A2540D 1277404
Jan 22, 2024 Total Suspended Solids (TSS) 23.8 mg/L Effluent Qualifying Storm Event A2540D 1277404
Jan 22, 2024 Total Suspended Solids (TSS) 78.4 mg/L Effluent Qualifying Storm Event A2540D 1277404
Dec 21, 2023 Oil and Grease DNQ .771 mg/L Effluent Qualifying Storm Event E1664A 1272423
Dec 21, 2023 pH 6.8 SU Effluent Qualifying Storm Event pH_Field 1272423
Dec 21, 2023 Total Suspended Solids (TSS) 12.1 mg/L Effluent Qualifying Storm Event A2540D 1272423
Jan 09, 2023 Oil and Grease .953 mg/L Effluent Qualifying Storm Event E1664A 1225037
Jan 09, 2023 Oil and Grease 1.83 mg/L Effluent Qualifying Storm Event E1664A 1225037
Jan 09, 2023 pH 7.8 SU Effluent Qualifying Storm Event pH_Field 1225037
Jan 09, 2023 pH 7.3 SU Effluent Qualifying Storm Event pH_Field 1225037
Jan 09, 2023 Total Suspended Solids (TSS) 13.3 mg/L Effluent Qualifying Storm Event A2540D 1225037
Jan 09, 2023 Total Suspended Solids (TSS) 12.6 mg/L Effluent Qualifying Storm Event A2540D 1225037
Dec 11, 2022 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 1220808
Dec 11, 2022 Oil and Grease 1.37 mg/L Effluent Qualifying Storm Event E1664A 1220808
Dec 11, 2022 Oil and Grease 3.6 mg/L Effluent Qualifying Storm Event E1664A 1220808
Dec 11, 2022 pH ND 7.1 SU Effluent Qualifying Storm Event pH_Field 1220808
Dec 11, 2022 pH ND 7.3 SU Effluent Qualifying Storm Event pH_Field 1220808
Dec 11, 2022 pH ND 7.5 SU Effluent Qualifying Storm Event pH_Field 1220808
Dec 11, 2022 Total Suspended Solids (TSS) 5.8 mg/L Effluent Qualifying Storm Event A2540D 1220808
Dec 11, 2022 Total Suspended Solids (TSS) 19.6 mg/L Effluent Qualifying Storm Event A2540D 1220808

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
Violations3 2 Violation · 1 Potential (preliminary) · 0 Dismissed Jan 23, 2009 – Jul 10, 2024 Oct 21, 2026 All violations
Enforcement actions3 2 issued · 0 draft · 1 withdrawn, rescinded or superseded May 20, 2010 – Jul 09, 2024 Oct 21, 2026 All actions
Inspections1inspections, not findings May 12, 2021 – May 12, 2021 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 (18 records, newest first)
Compliance and enforcement records, newest first
DateRecordIDType or purposeStatus as publishedDetail
Jul 15, 2026 Annual reports 1337355 Annual report 2025 —
Jul 10, 2025 Annual reports 1296267 Annual report 2024 —
Jul 12, 2024 Annual reports 1245467 Annual report 2023 —
Jul 10, 2024 Violations 889311 Enforcement Action PotentialInternal Report
Jul 09, 2024 Enforcement actions 453615 13383 Order (Water Code section 13383 order) WithdrawnR4-2024-0188
Jul 13, 2023 Annual reports 1191578 Annual report 2022 —
Jul 14, 2022 Annual reports 1115154 Annual report 2021 —
Jul 14, 2021 Annual reports 1063248 Annual report 2020 —
May 12, 2021 Inspections 2053027 B Type compliance FinalizedNo Further Action
Jul 16, 2020 Annual reports 980128 Annual report 2019 —
Feb 24, 2020 Enforcement actions 436376 NOV (Notice of Violation) Historical
Feb 24, 2020 Violations 872787 Late Report ViolationReport
Jul 15, 2019 Annual reports 956383 Annual report 2018 —
Jul 13, 2018 Annual reports 941810 Annual report 2017 —
Jul 14, 2017 Annual reports 881213 Annual report 2016 —
Jul 22, 2016 Annual reports 841675 Annual report 2015 —
May 20, 2010 Enforcement actions 403676 SEL (Staff Enforcement Letter) Historical
Jan 23, 2009 Violations 843343 Deficient BMP Implementation ViolationReport

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.