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Stormwater regulatory information and water quality results (SMARTS)

Name: Stormwater regulatory information and water quality results (SMARTS)
Creator: California State Water Resources Control Board

Industrial and construction stormwater permittees, their monitoring data, inspections, violations and enforcement actions.

Stormwater regulatory information and water quality results (SMARTS) is published by California State Water Resources Control Board for Los Angeles, California. It's a bulk download; its update schedule isn't stated, last updated 2026. Reuse: check terms. Check status: verified.

UpdatesNot stated

Last updated2026

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About this source

Publisher	California State Water Resources Control Board
Original	https://catalog.data.gov/dataset/stormwater-regulatory-including-enforcement-actions-information-and-water-quality-results ↗
Place	Los Angeles, California · state
Shelf	Water
Formats	CSV (14 resources incl. dictionaries)
Update rate	not stated
Located by	Facility / site (address)
Licence	not stated
Checked	Verified: opened and matched by a person or our reviewer

Cite this source: California State Water Resources Control Board, “Stormwater regulatory information and water quality results (SMARTS)”, https://catalog.data.gov/dataset/stormwater-regulatory-including-enforcement-actions-information-and-water-quality-results, last updated 2026. Listed by SOS.city at https://sos.city/source/724 (verified).

Use it in your product

# Listed endpoint
curl "https://data.ca.gov/dataset/dd553361-ddc6-4fe6-a95f-c9bf3342e0d1/resource/9b69a654-0c9a-4865-8d10-38c55b1b8c58/download/violations_2026-09-21.csv"

Endpoint as listed by the publisher.

# Through SOS.city: this source and its neighbours, with publisher, licence and check status
curl https://api.sos.city/v1/sources/724 -H "Authorization: Bearer sos_…"