Marin Cnty Airport

Active WDID 2 21I000647 Novato, Marin County Region 2 · San Francisco Bay

At a glance

Permit Evidence: SMARTS record
Active Industrial
Notice of Intent (WDID code I) · Permits and applications
Location Evidence: facility-reported
Novato, Marin County
Region 2 · San Francisco Bay · Location · Statewide map
Receiving water
Petaluma River (as reported by the facility)
Evidence: identification corroborated Petaluma River Details
Identified receiving water on the 2026 303(d) list
Yes · 8 Appendix A decisions, category 5 Evidence: State-published
Describes the waterbody, not this facility · Waterbody profile
2026 Integrated Report waters within 1.0 km Evidence: geographic proximity
None
Monitoring results Evidence: facility-reported
33 distinct results, 10 reporting years (2015 to 2025)
Most recent sample Apr 12, 2026 · Monitoring
Compliance and enforcement records Evidence: SMARTS record
0 inspections · 1 violation record · 1 enforcement action
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
38.14092, -122.56001
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
451 Airport Rd Ste A, Novato 94945
Regional Water Board
2 — San Francisco Bay

HUC12 watershed Evidence: spatial

  • Novato Creek-Frontal San Pablo Bay Estuaries HUC12 180500020801

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
Marin Cnty
Primary industry (SIC)
4513-Air Courier Services
Application ID
182126
NOI processed
Mar 17, 1992
Last certified
Jun 25, 2015
Facility size
92 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
182126 IndustrialActiveMar 17, 1992 —Jun 25, 2015

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

Receiving water

Reported by the facility Evidence: facility-reported
Petaluma River
Discharges directly / indirectly
N / Y (as answered in the permit application)

Evidence: identification corroborated Petaluma River CAR2063002019980928165716

Receiving water reported by facility — waterbody identification corroborated by geographic evidence.

Nearest distance from the reported facility location: 2.3 km. Method receiving_water/2.

2026 Integrated Report status Evidence: State-published

Petaluma River is on the 2026 Clean Water Act section 303(d) list (8 Appendix A decisions; category 5).

2026 Appendix A decisions for the identified receiving water
PollutantCategoryListing decisionTMDL requirementDecision ID
Benthic Community Effects5List on 303(d) list (TMDL required list) 5A154146
Diazinon5Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL) 5B · San Francisco Bay Urban Creeks Diazinon142234
Fipronil5List on 303(d) list (being addressed by USEPA approved TMDL) 5B · San Francisco Bay Urban Creeks Diazinon142257
Indicator Bacteria5Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL) 5B · Petaluma River Bacteria TMDL149124
Nutrients5Do Not Delist from 303(d) list (TMDL required list) 5A151286
Oxygen, Dissolved5List on 303(d) list (TMDL required list) 5A142245
Sediment5Do Not Delist from 303(d) list (TMDL required list) 5A151328
Trash5Do Not Delist from 303(d) list (being addressed with action other than TMDL) 5C88894

Published by the State Water Resources Control Board (2026 California Integrated Report, Appendix A). Listing status is taken from Appendix A only. State Board adoption 2026-02-03; USEPA approval not confirmed. A listing describes the waterbody, not this facility. Waterbody profile.

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.

33 distinct measurements across 3 parameters, most recent sample Apr 12, 2026.

By reporting year

Distinct results by reporting year
Reporting year (July–June)Distinct resultsParametersWith several versionsFirst sampleLast sample
202533 0 Apr 12, 2026Apr 12, 2026
202433 0 Jan 03, 2025Jan 03, 2025
202333 0 Jan 22, 2024Jan 22, 2024
202233 0 Dec 27, 2022Dec 27, 2022
202133 0 Dec 22, 2021Dec 22, 2021
202033 0 Mar 18, 2021Mar 18, 2021
201833 0 Jan 17, 2019Jan 17, 2019
201733 0 Mar 01, 2018Mar 01, 2018
201663 0 Dec 08, 2016Feb 07, 2017
201533 0 Feb 18, 2016Feb 18, 2016

By parameter

Distinct results by parameter
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Oil and Greasemg/L11 9Feb 18, 2016Apr 12, 2026 Results
pHSU11 0Feb 18, 2016Apr 12, 2026 Results
Total Suspended Solids (TSS)mg/L11 0Feb 18, 2016Apr 12, 2026 Results

All results (33 distinct rows)

Reported monitoring results, newest first
Sample dateParameterResultUnitsLocation typeEventMethodReportVersions
Apr 12, 2026 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664B 1372934
Apr 12, 2026 pH 6 SU Effluent Qualifying Storm Event pH_Paper 1372934
Apr 12, 2026 Total Suspended Solids (TSS) 48 mg/L Effluent Qualifying Storm Event A2540D 1372934
Jan 03, 2025 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664B 1319420
Jan 03, 2025 pH 6.5 SU Effluent Qualifying Storm Event pH_Paper 1319420
Jan 03, 2025 Total Suspended Solids (TSS) 11 mg/L Effluent Qualifying Storm Event A2540D 1319420
Jan 22, 2024 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664B 1275204
Jan 22, 2024 pH 6.5 SU Effluent Qualifying Storm Event pH_Paper 1275204
Jan 22, 2024 Total Suspended Solids (TSS) 59 mg/L Effluent Qualifying Storm Event A2540D 1275204
Dec 27, 2022 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664B 1222296
Dec 27, 2022 pH 6.5 SU Effluent Qualifying Storm Event pH_Paper 1222296
Dec 27, 2022 Total Suspended Solids (TSS) 17 mg/L Effluent Qualifying Storm Event A2540D 1222296
Dec 22, 2021 Oil and Grease 1.6 mg/L Effluent Qualifying Storm Event E1664B 1175871
Dec 22, 2021 pH 6.5 SU Effluent Qualifying Storm Event pH_Paper 1175871
Dec 22, 2021 Total Suspended Solids (TSS) 23 mg/L Effluent Qualifying Storm Event A2540D 1175871
Mar 18, 2021 Oil and Grease .94 mg/L Effluent Qualifying Storm Event E1664A 1148558
Mar 18, 2021 pH 6 SU Effluent Qualifying Storm Event pH_Paper 1148558
Mar 18, 2021 Total Suspended Solids (TSS) 13 mg/L Effluent Qualifying Storm Event A2540D 1148558
Jan 17, 2019 Oil and Grease < 1.5 mg/L Effluent Qualifying Storm Event E1664A 1039787
Jan 17, 2019 pH 6 SU Effluent Qualifying Storm Event pH_Paper 1039787
Jan 17, 2019 Total Suspended Solids (TSS) 42 mg/L Effluent Qualifying Storm Event A2540D 1039787
Mar 01, 2018 Oil and Grease DNQ 1.6 mg/L Effluent Qualifying Storm Event E1664A 995264
Mar 01, 2018 pH 6.5 SU Effluent Qualifying Storm Event pH_Paper 995264
Mar 01, 2018 Total Suspended Solids (TSS) 10 mg/L Effluent Qualifying Storm Event A2540D 995264
Feb 07, 2017 Oil and Grease < 1.3 mg/L Effluent Qualifying Storm Event E1664A 927758
Feb 07, 2017 pH 6.5 SU Effluent Qualifying Storm Event pH_Paper 927758
Feb 07, 2017 Total Suspended Solids (TSS) 29 mg/L Effluent Qualifying Storm Event A2540D 927758
Dec 08, 2016 Oil and Grease < 1.5 mg/L Effluent Qualifying Storm Event E1664A 912231
Dec 08, 2016 pH 7 SU Effluent Qualifying Storm Event pH_Paper 912231
Dec 08, 2016 Total Suspended Solids (TSS) 4.7 mg/L Effluent Qualifying Storm Event A2540D 912231
Feb 18, 2016 Oil and Grease < 1.5 mg/L Effluent Qualifying Storm Event E1664A 868303
Feb 18, 2016 pH 5 SU Effluent Qualifying Storm Event pH_Paper 868303
Feb 18, 2016 Total Suspended Solids (TSS) 4.3 mg/L Effluent Qualifying Storm Event A2540D 868303

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
Violations1 0 Violation · 0 Potential (preliminary) · 1 Dismissed Aug 05, 2005 – Aug 05, 2005 Oct 21, 2026 All violations
Enforcement actions1 1 issued · 0 draft · 0 withdrawn, rescinded or superseded Aug 05, 2005 – Aug 05, 2005 Oct 21, 2026 All actions
Inspections0inspections, not findings — Oct 21, 2026
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 (13 records, newest first)
Compliance and enforcement records, newest first
DateRecordIDType or purposeStatus as publishedDetail
Jun 22, 2026 Annual reports 1334943 Annual report 2025 —
Jun 10, 2025 Annual reports 1293740 Annual report 2024 —
Jun 24, 2024 Annual reports 1242792 Annual report 2023 —
Jun 28, 2023 Annual reports 1188776 Annual report 2022 —
Jun 23, 2022 Annual reports 1112106 Annual report 2021 —
Jun 25, 2021 Annual reports 1068095 Annual report 2020 —
Jun 23, 2020 Annual reports 985315 Annual report 2019 —
Jun 27, 2019 Annual reports 952844 Annual report 2018 —
Jul 03, 2018 Annual reports 938257 Annual report 2017 —
Jun 21, 2017 Annual reports 877468 Annual report 2016 —
Jul 07, 2016 Annual reports 839341 Annual report 2015 —
Aug 05, 2005 Enforcement actions 310593 NNC (Notice of Non-Compliance) Historical97-03DWQ
Aug 05, 2005 Violations 434591 Late Report DismissedReport

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.