ExperimentalWe used data and feedback to make a user-friendly site. We’d love your feedback.
Back to data.ca.gov.

Surface Water - Water Quality Regulated Facility Information

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboards.ca.gov/ciwqs) (CIWQS).

Data files

Data title and descriptionAccess dataFile detailsLast updated

Wastewater Facilities Inspection Records - 1987 through 2021

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboards.ca.gov/ciwqs) (CIWQS).

Download
CSV
37.22 MB
08/10/19

Wastewater Facilities Permits & Orders

Download
CSV
22.81 MB
08/10/19

Wastewater Enforcement Actions

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboards.ca.gov/ciwqs) (CIWQS).

Download
CSV
08/10/19

Inspections - Performance Measures

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboards.ca.gov/ciwqs) (CIWQS).

Download
CSV
08/10/19

Confined Animal Facilities Regulated by the Water Boards

Download
CSV
975.03 KB
10/09/19

Supporting files

Data title and descriptionAccess dataFile detailsLast updated

Wastewater Facilities Inspections Data Dictionary

XLSX
08/10/19

Wastewater Facilities Permits & Orders Data Dictionary

PDF
08/10/19

Wastewater Enforcement Actions Data Dictionary

PDF
08/10/19

API endpoint

Dataset Name

Use the query web API to retrieve data with a set of basic parameters. Copy the API endpoint you need to start.

Usage documentation