Statewide map

Industrial stormwater registrations and impaired waters

Official sources — IGP permitted facilities (State Water Resources Control Board) and Final 2026 California Integrated Report impaired waters
Application typeAll types shown

19,703 facility points rendered · 0 impaired-water geometries (generalized statewide tier) loading…

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Larger, solid markers indicate facilities with at least one derived impaired-water association. Associations are geographic (HUC12 subwatershed and 1 km proximity to official 2026 impaired-water geometry) and do not establish a discharge connection. Facility detail is loaded only when a point is selected.