Lhoist North America of Arizona Inc

Active WDID 4 19I000604 City Of Industry, 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
City Of Industry, Los Angeles County
Region 4 · Los Angeles · Location · Statewide map
Receiving water
San Jose Creek (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; 2 on the 2026 303(d) list
Proximity only; not a discharge pathway · Nearby waterbodies
Monitoring results Evidence: facility-reported
35 distinct results, 7 reporting years (2016 to 2025)
Most recent sample Feb 24, 2026 · Monitoring
Compliance and enforcement records Evidence: SMARTS record
4 inspections · 3 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
34.021542, -117.977628
Precision
6 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
14931 Salt Lake, City Of Industry 91746
Regional Water Board
4 — Los Angeles

HUC12 watershed Evidence: spatial

  • Lower San Jose Creek HUC12 180701060502

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
Lhoist North America of Arizona Inc
Primary industry (SIC)
3274-Lime
Application ID
188656
NOI processed
Mar 16, 1992
Last certified
May 05, 2020
Facility size
6 Acres
Impervious area
0 %

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

Permit history

Storm water applications for this WDID, newest first
ApplicationTypeStatusProcessedTerminatedCertified
188656 IndustrialActiveMar 16, 1992 —May 05, 2020

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

Receiving water

Reported by the facility Evidence: facility-reported
San Jose Creek
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

5 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
San Jose Creek Reach 1 (SG Confluence to Temple St.) CAR4053100019980918090950286 m listed5
Puente Creek CAR4053100020081117111726481 m listed2

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.

35 distinct measurements across 4 parameters, most recent sample Feb 24, 2026.

By reporting year

Distinct results by reporting year
Reporting year (July–June)Distinct resultsParametersWith several versionsFirst sampleLast sample
202533 0 Feb 24, 2026Feb 24, 2026
202363 0 Feb 05, 2024Feb 21, 2024
202263 0 Jan 05, 2023Jan 11, 2023
202033 0 Jan 29, 2021Jan 29, 2021
201963 0 Dec 04, 2019Apr 09, 2020
201833 0 Feb 14, 2019Feb 14, 2019
201684 0 Jan 12, 2017Jan 20, 2017

By parameter

Distinct results by parameter
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Oil and Greasemg/L11 8Jan 12, 2017Feb 24, 2026 Results
pHSU11 0Jan 12, 2017Feb 24, 2026 Results
Total Suspended Solids (TSS)mg/L11 1Jan 12, 2017Feb 24, 2026 Results
Total Dissolved Solids (TDS)mg/L2 0Jan 12, 2017Jan 20, 2017 Results

All results (35 distinct rows)

Reported monitoring results, newest first
Sample dateParameterResultUnitsLocation typeEventMethodReportVersions
Feb 24, 2026 Oil and Grease ND 4 mg/L Effluent Qualifying Storm Event E1664A 1369500
Feb 24, 2026 pH 7 SU Effluent Qualifying Storm Event pH_Paper 1369500
Feb 24, 2026 Total Suspended Solids (TSS) ND 1 mg/L Effluent Qualifying Storm Event A2540D 1369500
Feb 21, 2024 Oil and Grease ND 1.4 mg/L Effluent Qualifying Storm Event E1664A 1281235
Feb 21, 2024 pH 8 SU Effluent Qualifying Storm Event pH_Paper 1281235
Feb 21, 2024 Total Suspended Solids (TSS) 40 mg/L Effluent Qualifying Storm Event A2540D 1281235
Feb 05, 2024 Oil and Grease ND 1.4 mg/L Effluent Qualifying Storm Event E1664A 1280339
Feb 05, 2024 pH 7 SU Effluent Qualifying Storm Event pH_Paper 1280339
Feb 05, 2024 Total Suspended Solids (TSS) 12 mg/L Effluent Qualifying Storm Event A2540D 1280339
Jan 11, 2023 Oil and Grease ND 4.1 mg/L Effluent Qualifying Storm Event E1664A 1227506
Jan 11, 2023 pH 7 SU Effluent Qualifying Storm Event pH_Paper 1227506
Jan 11, 2023 Total Suspended Solids (TSS) 38 mg/L Effluent Qualifying Storm Event A2540D 1227506
Jan 05, 2023 Oil and Grease 13 mg/L Effluent Qualifying Storm Event E1664A 1226082
Jan 05, 2023 pH 6 SU Effluent Qualifying Storm Event pH_Paper 1226082
Jan 05, 2023 Total Suspended Solids (TSS) 32 mg/L Effluent Qualifying Storm Event A2540D 1226082
Jan 29, 2021 Oil and Grease ND 1.4 mg/L Effluent Qualifying Storm Event E1664A 1145617
Jan 29, 2021 pH 7 SU Effluent Qualifying Storm Event pH_Paper 1145617
Jan 29, 2021 Total Suspended Solids (TSS) 130 mg/L Effluent Qualifying Storm Event A2540D 1145617
Apr 09, 2020 Oil and Grease 1.5 mg/L Effluent Qualifying Storm Event E1664A 1106733
Apr 09, 2020 pH 8 SU Effluent Qualifying Storm Event pH_Paper 1106733
Apr 09, 2020 Total Suspended Solids (TSS) 21 mg/L Effluent Qualifying Storm Event A2540D 1106733
Dec 04, 2019 Oil and Grease ND 1.4 mg/L Effluent Qualifying Storm Event E1664A 1098851
Dec 04, 2019 pH 8 SU Effluent Qualifying Storm Event pH_Paper 1098851
Dec 04, 2019 Total Suspended Solids (TSS) 48 mg/L Effluent Qualifying Storm Event A2540D 1098851
Feb 14, 2019 Oil and Grease ND 5.2 mg/L Effluent Qualifying Storm Event E1664A 1053780
Feb 14, 2019 pH 7 SU Effluent Qualifying Storm Event pH_Paper 1053780
Feb 14, 2019 Total Suspended Solids (TSS) 21 mg/L Effluent Qualifying Storm Event A2540D 1053780
Jan 20, 2017 Oil and Grease ND mg/L Effluent Qualifying Storm Event A5220B 927971
Jan 20, 2017 pH 8.95 SU Effluent Qualifying Storm Event A4500HB 927971
Jan 20, 2017 Total Dissolved Solids (TDS) 61 mg/L Effluent Qualifying Storm Event A2540C 927971
Jan 20, 2017 Total Suspended Solids (TSS) 44 mg/L Effluent Qualifying Storm Event A2540D 927971
Jan 12, 2017 Oil and Grease 1.4 mg/L Effluent Qualifying Storm Event A5220B 927971
Jan 12, 2017 pH 9.28 SU Effluent Qualifying Storm Event A4500HB 927971
Jan 12, 2017 Total Dissolved Solids (TDS) 70 mg/L Effluent Qualifying Storm Event A2540C 927971
Jan 12, 2017 Total Suspended Solids (TSS) 77 mg/L Effluent Qualifying Storm Event A2540D 927971

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 3 Violation · 0 Potential (preliminary) · 0 Dismissed Oct 12, 2004 – Jul 01, 2009 Oct 21, 2026 All violations
Enforcement actions2 2 issued · 0 draft · 0 withdrawn, rescinded or superseded Oct 14, 2004 – Jan 13, 2011 Oct 21, 2026 All actions
Inspections4inspections, not findings Oct 12, 2004 – Oct 23, 2025 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 (20 records, newest first)
Compliance and enforcement records, newest first
DateRecordIDType or purposeStatus as publishedDetail
Jun 03, 2026 Annual reports 1334268 Annual report 2025 —
Oct 23, 2025 Inspections 2069335 B Type compliance PerformedAdditional Info Required
Jun 17, 2025 Annual reports 1293042 Annual report 2024 —
Jun 17, 2024 Annual reports 1242050 Annual report 2023 —
Jun 26, 2023 Annual reports 1187989 Annual report 2022 —
Jun 06, 2022 Annual reports 1111259 Annual report 2021 —
Jun 11, 2021 Annual reports 1067202 Annual report 2020 —
Jun 18, 2020 Annual reports 984363 Annual report 2019 —
May 20, 2019 Annual reports 951870 Annual report 2018 —
Jul 05, 2018 Annual reports 937281 Annual report 2017 —
Jul 17, 2017 Annual reports 876435 Annual report 2016 —
Jul 15, 2016 Annual reports 846462 Annual report 2015 —
Jan 13, 2011 Enforcement actions 405196 13267 Letter/Order (Water Code section 13267 letter or order) Historical
Jul 01, 2009 Violations 844424 Deficient Report ViolationReport
Oct 29, 2008 Inspections 1734728 Enforcement Follow-up —
Oct 15, 2004 Inspections 1734730 Enforcement Follow-up —
Oct 14, 2004 Enforcement actions 253843 NOV (Notice of Violation) ActiveNOV
Oct 12, 2004 Inspections 1734729 B Type compliance —Additional Info Required
Oct 12, 2004 Violations 255275 Deficient BMP Implementation ViolationInspection
Oct 12, 2004 Violations 255276 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.