Van Nuys Airport

Active WDID 4 19I004994 Van Nuys, 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
Van Nuys, Los Angeles County
Region 4 · Los Angeles · Location · Statewide map
Receiving water
LA River (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
1 waterbody; 1 on the 2026 303(d) list
Proximity only; not a discharge pathway · Nearby waterbodies
Monitoring results Evidence: facility-reported
360 distinct results, 11 reporting years (2015 to 2025)
Most recent sample Feb 16, 2026 · Monitoring
Compliance and enforcement records Evidence: SMARTS record
1 inspection · 2 violation records · 2 enforcement actions
Counts as published in SMARTS; not a compliance determination · Details
SMARTS TMDL records Evidence: SMARTS-reported
3 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
34.20153, -118.49187
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
16461 Sherman Wy, Van Nuys 91406
Regional Water Board
4 — Los Angeles

HUC12 watershed Evidence: spatial

  • Tujunga Wash-Los Angeles River HUC12 180701050208

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 World Airports
Primary industry (SIC)
4581-Airports, Flying Fields, and Airport Terminal Services
Application ID
189465
NOI processed
Apr 08, 1992
Last certified
Jul 02, 2025
Facility size
718 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
189465 IndustrialActiveApr 08, 1992 —Jul 02, 2025

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

Receiving water

Reported by the facility Evidence: facility-reported
LA River
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.

Nearest 2026 Integrated Report waterbodies
Waterbody (2026 Integrated Report)Distance2026 303(d) listAppendix A decisions
Bull Creek (Los Angeles County) CAR4052100020110724133601429 m listed3

Waterbodies within 1.0 km of the reported facility location. Method proximity/1.

SMARTS TMDL records Evidence: SMARTS-reported

SMARTS TMDL record as reported for this facility; it is not a determination that the TMDL applies to the facility.

TMDL records SMARTS lists for this facility
TMDLWaterbody (as reported)ParameterLimitTypePeriodDueDischarges to TMDL water
Los Angeles River Metals TMDLLos Angeles River and Los Angeles River TributariesCopper, Total .06749 mg/LNEL instantaneous FINAL2020-07-01Y
Los Angeles River Metals TMDLLos Angeles River and Los Angeles River TributariesLead, Total .094 mg/LNEL instantaneous FINAL2020-07-01Y
Los Angeles River Metals TMDLLos Angeles River and Los Angeles River TributariesZinc, Total .159 mg/LNEL instantaneous FINAL2020-07-01Y

3 records. Links between these records and specific TMDL projects or listed waterbodies have not been reviewed and are not shown.

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.

360 distinct measurements across 9 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
2025369 0 Oct 14, 2025Feb 16, 2026
2024189 0 Jan 26, 2025Feb 13, 2025
2023369 0 Dec 20, 2023Feb 01, 2024
2022369 0 Nov 08, 2022Jan 14, 2023
2021369 0 Oct 25, 2021Apr 22, 2022
2020279 0 Dec 28, 2020Jan 28, 2021
2019369 0 Nov 27, 2019Mar 22, 2020
2018369 0 Nov 22, 2018Jan 12, 2019
2017189 0 Jan 08, 2018Mar 02, 2018
2016459 0 Oct 28, 2016Feb 17, 2017
2015369 0 Sep 15, 2015Jan 31, 2016

By parameter

Distinct results by parameter
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Copper, Totalmg/L40 2Sep 15, 2015Feb 16, 2026 Results
Enterococci MPNMPN/100 mL40 0Sep 15, 2015Feb 16, 2026 Results
Fecal ColiformMPN/100 mL40 6Sep 15, 2015Feb 16, 2026 Results
Lead, Totalmg/L40 4Sep 15, 2015Feb 16, 2026 Results
Oil and Greasemg/L40 32Sep 15, 2015Feb 16, 2026 Results
pHSU40 0Sep 15, 2015Feb 16, 2026 Results
Total ColiformMPN/100 mL40 1Sep 15, 2015Feb 16, 2026 Results
Total Suspended Solids (TSS)mg/L40 1Sep 15, 2015Feb 16, 2026 Results
Zinc, Totalmg/L40 3Sep 15, 2015Feb 16, 2026 Results

All results (360 distinct rows)

Reported monitoring results, newest first
Sample dateParameterResultUnitsLocation typeEventMethodReportVersions
Feb 16, 2026 Copper, Total .00339 mg/L Effluent Qualifying Storm Event E200.8 1367769
Feb 16, 2026 Enterococci MPN 170 MPN/100 mL Effluent Qualifying Storm Event A9230B 1367769
Feb 16, 2026 Fecal Coliform < 18 MPN/100 mL Effluent Qualifying Storm Event A9221CE 1367769
Feb 16, 2026 Lead, Total .00144 mg/L Effluent Qualifying Storm Event E200.8 1367769
Feb 16, 2026 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664B 1367769
Feb 16, 2026 pH 8.04 SU Effluent Qualifying Storm Event pH_Field 1367769
Feb 16, 2026 Total Coliform < 18 MPN/100 mL Effluent Qualifying Storm Event A9221B 1367769
Feb 16, 2026 Total Suspended Solids (TSS) 14.8 mg/L Effluent Qualifying Storm Event A2540D 1367769
Feb 16, 2026 Zinc, Total .0253 mg/L Effluent Qualifying Storm Event E200.8 1367769
Feb 11, 2026 Copper, Total .00476 mg/L Effluent Qualifying Storm Event E200.8 1366172
Feb 11, 2026 Enterococci MPN 79 MPN/100 mL Effluent Qualifying Storm Event A9230B 1366172
Feb 11, 2026 Fecal Coliform 33 MPN/100 mL Effluent Qualifying Storm Event A9221CE 1366172
Feb 11, 2026 Lead, Total DNQ .000345 mg/L Effluent Qualifying Storm Event E200.8 1366172
Feb 11, 2026 Oil and Grease 1.62 mg/L Effluent Qualifying Storm Event E1664B 1366172
Feb 11, 2026 pH 7.38 SU Effluent Qualifying Storm Event pH_Field 1366172
Feb 11, 2026 Total Coliform 79 MPN/100 mL Effluent Qualifying Storm Event A9221B 1366172
Feb 11, 2026 Total Suspended Solids (TSS) 2 mg/L Effluent Qualifying Storm Event A2540D 1366172
Feb 11, 2026 Zinc, Total .0247 mg/L Effluent Qualifying Storm Event E200.8 1366172
Nov 14, 2025 Copper, Total .0141 mg/L Effluent Qualifying Storm Event E200.8 1358970
Nov 14, 2025 Enterococci MPN 1100 MPN/100 mL Effluent Qualifying Storm Event A9230B 1358970
Nov 14, 2025 Fecal Coliform 3500 MPN/100 mL Effluent Qualifying Storm Event A9221CE 1358970
Nov 14, 2025 Lead, Total .00247 mg/L Effluent Qualifying Storm Event E200.8 1358970
Nov 14, 2025 Oil and Grease 1.73 mg/L Effluent Qualifying Storm Event E1664B 1358970
Nov 14, 2025 pH 7.06 SU Effluent Qualifying Storm Event pH_Field 1358970
Nov 14, 2025 Total Coliform 3500 MPN/100 mL Effluent Qualifying Storm Event A9221B 1358970
Nov 14, 2025 Total Suspended Solids (TSS) 10.2 mg/L Effluent Qualifying Storm Event A2540D 1358970
Nov 14, 2025 Zinc, Total .0553 mg/L Effluent Qualifying Storm Event E200.8 1358970
Oct 14, 2025 Copper, Total .00406 mg/L Effluent Qualifying Storm Event E200.8 1355151
Oct 14, 2025 Enterococci MPN 110 MPN/100 mL Effluent Qualifying Storm Event A9230B 1355151
Oct 14, 2025 Fecal Coliform 240 MPN/100 mL Effluent Qualifying Storm Event A9221CE 1355151
Oct 14, 2025 Lead, Total .00226 mg/L Effluent Qualifying Storm Event E200.8 1355151
Oct 14, 2025 Oil and Grease DNQ .73 mg/L Effluent Qualifying Storm Event E1664B 1355151
Oct 14, 2025 pH 7.21 SU Effluent Qualifying Storm Event pH_Field 1355151
Oct 14, 2025 Total Coliform 1600 MPN/100 mL Effluent Qualifying Storm Event A9221B 1355151
Oct 14, 2025 Total Suspended Solids (TSS) 20.9 mg/L Effluent Qualifying Storm Event A2540D 1355151
Oct 14, 2025 Zinc, Total .0291 mg/L Effluent Qualifying Storm Event E200.8 1355151
Feb 13, 2025 Copper, Total .00331 mg/L Effluent Qualifying Storm Event E200.8 1323290
Feb 13, 2025 Enterococci MPN 2 MPN/100 mL Effluent Qualifying Storm Event A9230B 1323290
Feb 13, 2025 Fecal Coliform 79 MPN/100 mL Effluent Qualifying Storm Event A9221CE 1323290
Feb 13, 2025 Lead, Total .00118 mg/L Effluent Qualifying Storm Event E200.8 1323290
Feb 13, 2025 Oil and Grease DNQ .57 mg/L Effluent Qualifying Storm Event E1664B 1323290
Feb 13, 2025 pH 7.52 SU Effluent Qualifying Storm Event pH_Field 1323290
Feb 13, 2025 Total Coliform 170 MPN/100 mL Effluent Qualifying Storm Event A9221B 1323290
Feb 13, 2025 Total Suspended Solids (TSS) 28.9 mg/L Effluent Qualifying Storm Event A2540D 1323290
Feb 13, 2025 Zinc, Total DNQ .0185 mg/L Effluent Qualifying Storm Event E200.8 1323290
Jan 26, 2025 Copper, Total .0116 mg/L Effluent Qualifying Storm Event E200.8 1320163
Jan 26, 2025 Enterococci MPN 70 MPN/100 mL Effluent Qualifying Storm Event A9230B 1320163
Jan 26, 2025 Fecal Coliform 3200 MPN/100 mL Effluent Qualifying Storm Event A9221CE 1320163
Jan 26, 2025 Lead, Total .00278 mg/L Effluent Qualifying Storm Event E200.8 1320163
Jan 26, 2025 Oil and Grease 1.04 mg/L Effluent Qualifying Storm Event E1664B 1320163

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 Jun 26, 2007 – Nov 02, 2008 Oct 21, 2026 All violations
Enforcement actions2 2 issued · 0 draft · 0 withdrawn, rescinded or superseded Jun 26, 2007 – Aug 02, 2010 Oct 21, 2026 All actions
Inspections1inspections, not findings May 30, 2024 – May 30, 2024 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 (16 records, newest first)
Compliance and enforcement records, newest first
DateRecordIDType or purposeStatus as publishedDetail
Jul 07, 2026 Annual reports 1335426 Annual report 2025 —
Jul 02, 2025 Annual reports 1294243 Annual report 2024 —
Jul 02, 2024 Annual reports 1243329 Annual report 2023 —
May 30, 2024 Inspections 2064521 B Type compliance FinalizedAdditional Info Required
Jun 13, 2023 Annual reports 1189331 Annual report 2022 —
Jul 07, 2022 Annual reports 1112711 Annual report 2021 —
Jun 23, 2021 Annual reports 1068721 Annual report 2020 —
Jun 24, 2020 Annual reports 985981 Annual report 2019 —
Jun 27, 2019 Annual reports 953536 Annual report 2018 —
Jun 27, 2018 Annual reports 938952 Annual report 2017 —
Jul 18, 2017 Annual reports 878195 Annual report 2016 —
Jul 14, 2016 Annual reports 841361 Annual report 2015 —
Aug 02, 2010 Enforcement actions 404628 SEL (Staff Enforcement Letter) Historical
Nov 02, 2008 Violations 843898 Deficient BMP Implementation ViolationReport
Jun 26, 2007 Enforcement actions 330761 NTC (Notice to Comply) HistoricalField NTC
Jun 26, 2007 Violations 620695 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.