Search California's industrial stormwater records
Permit status and history, reported monitoring results, compliance and enforcement records, and nearby 2026 impaired waters for facilities under the Industrial General Permit. Everything comes from public State Water Board data, and each statement is labelled with the evidence behind it.
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Facilities
57,233 industrial permit records, each with permit status and history, location and watershed, monitoring results and SMARTS compliance records.
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Statewide map
Facilities, 2026 impaired waters and HUC12 watersheds on one map. Filter by Regional Water Board, county, industry or compliance records, then open any facility.
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Impaired waters
1,679 waterbodies on the 2026 Clean Water Act 303(d) list, with their pollutants and listing decisions from the Final 2026 California Integrated Report.
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What the data covers
These are counts of public records. A record is not a finding about whether a facility complies with its permit.
- 57,233Industrial permit records
- One per WDID in SMARTS, in any status: active and terminated permits, No Exposure Certifications and Notices of Non-Applicability.
- 19,145Active permits
- Permit records whose SMARTS status was “Active” when the data was retrieved.
- 10,864Facilities with monitoring results
- Permit records with at least one sampling result reported to SMARTS.
- 1,594,201Distinct monitoring results
- Each reported result counted once; exact duplicate rows in the State's exports are not counted twice. How we count
Statewide snapshot: all 12 regional boards retrieved from SMARTS on Oct 20, 2026. Sources and freshness by dataset
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- State Water Board SMARTS Permits, permit history, monitoring results and compliance records; retrieved Oct 20, 2026.
- Final 2026 California Integrated Report 303(d) listings and waterbody geometry; retrieved Oct 22, 2026.
- USGS Watershed Boundary Dataset HUC12 subwatersheds; retrieved Oct 22, 2026.
Records are shown as published by each source. Methodology and limitations