Univar Solutions USA Inc

Active WDID 4 19I028354 Carson, 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
Carson, Los Angeles County
Region 4 · Los Angeles · Location · Statewide map
Receiving water
City of Carson Stormwater Sewer (as reported by the facility)
Evidence: not confirmed 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
212 distinct results, 7 reporting years (2019 to 2025)
Most recent sample Feb 16, 2026 · Monitoring
Compliance and enforcement records Evidence: SMARTS record
1 inspection · 0 violation records · 0 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
33.84302, -118.23611
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
20915 S Wilmington, Carson 77380
Regional Water Board
4 — Los Angeles

HUC12 watershed Evidence: spatial

  • Lower Dominguez Channel HUC12 180701060102

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
Univar Solutions USA LLC
Primary industry (SIC)
9999-Nonclassifiable Establishments
Application ID
512702
NOI processed
Sep 19, 2019
Last certified
Sep 10, 2019
Facility size
8.6 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
512702 IndustrialActiveSep 19, 2019 —Sep 10, 2019

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

Receiving water

Reported by the facility Evidence: facility-reported
City of Carson Stormwater Sewer
Discharges directly / indirectly
Y / N (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.

212 distinct measurements across 12 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
20252412 0 Nov 21, 2025Feb 16, 2026
20241212 0 Feb 13, 2025Feb 13, 2025
20234812 0 Jan 03, 2024Apr 01, 2024
20225612 0 Nov 08, 2022Mar 30, 2023
20211212 0 Dec 30, 2021Dec 30, 2021
20202412 0 Jan 29, 2021Mar 11, 2021
20193612 0 Dec 04, 2019Apr 08, 2020

By parameter

Distinct results by parameter
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Benzeneug/L18 18Dec 04, 2019Feb 16, 2026 Results
Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C)mg/L18 8Dec 04, 2019Feb 16, 2026 Results
Ethylbenzeneug/L18 18Dec 04, 2019Feb 16, 2026 Results
Oil and Greasemg/L18 12Dec 04, 2019Feb 16, 2026 Results
pHSU18 0Dec 04, 2019Feb 16, 2026 Results
Tolueneug/L18 18Dec 04, 2019Feb 16, 2026 Results
Total Suspended Solids (TSS)mg/L18 0Dec 04, 2019Feb 16, 2026 Results
Xylenes, Totalug/L18 18Dec 04, 2019Feb 16, 2026 Results
Chemical Oxygen Demand (COD)mg/L17 9Dec 04, 2019Feb 16, 2026 Results
Nitrate, Total (as N)mg/L17 8Dec 04, 2019Feb 16, 2026 Results
Phosphorus, Total (as P)mg/L17 7Dec 04, 2019Feb 16, 2026 Results
Total Kjeldahl Nitrogen (TKN) (as N)mg/L17 4Dec 04, 2019Feb 16, 2026 Results

All results (212 distinct rows)

Reported monitoring results, newest first
Sample dateParameterResultUnitsLocation typeEventMethodReportVersions
Feb 16, 2026 Benzene ND ug/L Effluent Qualifying Storm Event E624.1 1376090
Feb 16, 2026 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 2.9 mg/L Effluent Qualifying Storm Event A5210B 1376090
Feb 16, 2026 Chemical Oxygen Demand (COD) 14 mg/L Effluent Qualifying Storm Event E410.4 1376090
Feb 16, 2026 Ethylbenzene ND ug/L Effluent Qualifying Storm Event E624.1 1376090
Feb 16, 2026 Nitrate, Total (as N) ND mg/L Effluent Qualifying Storm Event A4500NE 1376090
Feb 16, 2026 Oil and Grease 1.1 mg/L Effluent Qualifying Storm Event E1664B 1376090
Feb 16, 2026 pH 7.7 SU Effluent Qualifying Storm Event E150.2 1376090
Feb 16, 2026 Phosphorus, Total (as P) ND mg/L Effluent Qualifying Storm Event E365.1 1376090
Feb 16, 2026 Toluene ND ug/L Effluent Qualifying Storm Event E624.1 1376090
Feb 16, 2026 Total Kjeldahl Nitrogen (TKN) (as N) 1.6 mg/L Effluent Qualifying Storm Event E351.2 1376090
Feb 16, 2026 Total Suspended Solids (TSS) 14 mg/L Effluent Qualifying Storm Event A2540D 1376090
Feb 16, 2026 Xylenes, Total ND ug/L Effluent Qualifying Storm Event E624.1 1376090
Nov 21, 2025 Benzene ND .3 ug/L Effluent Qualifying Storm Event E624.1 1376087
Nov 21, 2025 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 2.1 mg/L Effluent Qualifying Storm Event A5210B 1376087
Nov 21, 2025 Chemical Oxygen Demand (COD) DNQ 8 mg/L Effluent Qualifying Storm Event A5220D 1376087
Nov 21, 2025 Ethylbenzene ND .34 ug/L Effluent Qualifying Storm Event E624.1 1376087
Nov 21, 2025 Nitrate, Total (as N) DNQ .09 mg/L Effluent Qualifying Storm Event E352.1 1376087
Nov 21, 2025 Oil and Grease 1 mg/L Effluent Qualifying Storm Event E1664A 1376087
Nov 21, 2025 pH 7 SU Effluent Qualifying Storm Event E150.2 1376087
Nov 21, 2025 Phosphorus, Total (as P) DNQ .046 mg/L Effluent Qualifying Storm Event E365.4 1376087
Nov 21, 2025 Toluene ND .48 ug/L Effluent Qualifying Storm Event E624.1 1376087
Nov 21, 2025 Total Kjeldahl Nitrogen (TKN) (as N) ND .23 mg/L Effluent Qualifying Storm Event E351.2 1376087
Nov 21, 2025 Total Suspended Solids (TSS) 95 mg/L Effluent Qualifying Storm Event A2540D 1376087
Nov 21, 2025 Xylenes, Total ND .48 ug/L Effluent Qualifying Storm Event E624.1 1376087
Feb 13, 2025 Benzene ND ug/L Effluent Qualifying Storm Event E624 1343739
Feb 13, 2025 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) < 2 mg/L Effluent Qualifying Storm Event A5210B 1343739
Feb 13, 2025 Chemical Oxygen Demand (COD) < 10 mg/L Effluent Qualifying Storm Event A5220D 1343739
Feb 13, 2025 Ethylbenzene ND ug/L Effluent Qualifying Storm Event E624 1343739
Feb 13, 2025 Nitrate, Total (as N) < .1 mg/L Effluent Qualifying Storm Event E352.1 1343739
Feb 13, 2025 Oil and Grease 5.4 mg/L Effluent Qualifying Storm Event E1664A 1343739
Feb 13, 2025 pH 7.1 SU Effluent Qualifying Storm Event E150.2 1343739
Feb 13, 2025 Phosphorus, Total (as P) .11 mg/L Effluent Qualifying Storm Event E365.4 1343739
Feb 13, 2025 Toluene ND ug/L Effluent Qualifying Storm Event E624 1343739
Feb 13, 2025 Total Kjeldahl Nitrogen (TKN) (as N) .27 mg/L Effluent Qualifying Storm Event E351.2 1343739
Feb 13, 2025 Total Suspended Solids (TSS) 15 mg/L Effluent Qualifying Storm Event A2540D 1343739
Feb 13, 2025 Xylenes, Total ND ug/L Effluent Qualifying Storm Event E624.1 1343739
Apr 01, 2024 Benzene < 1 ug/L Effluent Qualifying Storm Event E624 1288763
Apr 01, 2024 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) 4.4 mg/L Effluent Qualifying Storm Event A5210B 1288763
Apr 01, 2024 Chemical Oxygen Demand (COD) < 10 mg/L Effluent Qualifying Storm Event A5220D 1288763
Apr 01, 2024 Ethylbenzene < 1 ug/L Effluent Qualifying Storm Event E624 1288763
Apr 01, 2024 Nitrate, Total (as N) DNQ .095 mg/L Effluent Qualifying Storm Event E352.1 1288763
Apr 01, 2024 Oil and Grease DNQ 2.1 mg/L Effluent Qualifying Storm Event E1664A 1288763
Apr 01, 2024 pH 6.2 SU Effluent Qualifying Storm Event E150.2 1288763
Apr 01, 2024 Phosphorus, Total (as P) < .1 mg/L Effluent Qualifying Storm Event E365.4 1288763
Apr 01, 2024 Toluene < 1 ug/L Effluent Qualifying Storm Event E624 1288763
Apr 01, 2024 Total Kjeldahl Nitrogen (TKN) (as N) .21 mg/L Effluent Qualifying Storm Event E351.2 1288763
Apr 01, 2024 Total Suspended Solids (TSS) 13 mg/L Effluent Qualifying Storm Event A2540D 1288763
Apr 01, 2024 Xylenes, Total < 2 ug/L Effluent Qualifying Storm Event E624.1 1288763
Feb 01, 2024 Benzene < 1 ug/L Effluent Qualifying Storm Event E624 1288752
Feb 01, 2024 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) < 2 mg/L Effluent Qualifying Storm Event A5210B 1288752

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
Violations0 0 Violation · 0 Potential (preliminary) · 0 Dismissed — Oct 21, 2026
Enforcement actions0 0 issued · 0 draft · 0 withdrawn, rescinded or superseded — Oct 21, 2026
Inspections1inspections, not findings Mar 04, 2021 – Mar 04, 2021 Oct 21, 2026 All inspections
Annual reports7certified reports (contents not shown) 2019 – 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 (8 records, newest first)
Compliance and enforcement records, newest first
DateRecordIDType or purposeStatus as publishedDetail
Jul 07, 2026 Annual reports 1340554 Annual report 2025 —
Jul 10, 2025 Annual reports 1299700 Annual report 2024 —
Jul 12, 2024 Annual reports 1249068 Annual report 2023 —
Jul 13, 2023 Annual reports 1195370 Annual report 2022 —
Jul 14, 2022 Annual reports 1118978 Annual report 2021 —
Jul 15, 2021 Annual reports 1110525 Annual report 2020 —
Mar 04, 2021 Inspections 2050781 B Type compliance FinalizedNo Further Action
Jul 15, 2020 Annual reports 1089654 Annual report 2019 —

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.