Description:State Water Resources Control Board Division of Water Quality staff have developed this map to graphically display the waterbodies assessed in the draft 2024 California Integrated Report. This map contains waterbodies assessed for 305(b) categorization, including those placed on the 303(d) list of impaired waters.Note, these are not the final assessments. Map Layers:Draft 2024 Integrated Report Lines: Spatial representation of the assessed linear waterbodies in California, such as streams, rivers, and beaches. Draft 2024 Integrated Report Polygons: Spatial representation of the non-linear (polygon) waterbodies in California, such as bays, lakes, and reservoirs. Pop Up Description:
Waterbody ID: Unique identifier for each mapped waterbody in the
Integrated Report.
Waterbody Name: Name of the waterbody.
Waterbody Type: Type of water (river, lake, estuary, etc.)
Regional Board: The Regional Water Quality Control Board with
jurisdiction over the waterbody.
WB Size: Approximate size of the waterbody and the
corresponding unit of measurement.
WB Category: Integrated Report Category for the waterbody, as
proposed for the 2024 Integrated Report.
County: County where waterbody is located.
Listing Status: Waterbodies with one or more 303(d) listings in the
proposed 2024 Integrated Report are noted as "listed."
Waterbodies with no 303(d) listings in the proposed 2024 Integrated Report
are notes as "not listed."
Proposed 2024 New Listings: Pollutants proposed for the listing on the 303(d) list
for the 2024 Integrated Report. The Decision ID in parentheses corresponds
to the Decision ID in the linked Waterbody Fact Sheet (below).
Proposed 2024 New Delistings: Pollutants proposed for delisting from the 303(d) list
for the 2024 Integrated Report. The Decision ID in parentheses corresponds
to the Decision ID in the linked Waterbody Fact Sheet.
2020-2022 Pollutants Listed: Pollutants listed on the 303(d) list of the 2020-2022
Integrated Report.Waterbody Fact Sheet: Link to the complete
waterbody fact sheet with assessment details, including Decisions and Lines of
Evidence (LOEs).