San Diego Water Intelligence
California · 1,386,932 residentsSan Diego has invested heavily in desalination at the Carlsbad plant and continues to negotiate Colorado River allocations.
Carlsbad desal + Colorado River imports
200
Assets Mapped
65.7
Avg WIS
2
Asset Types
60km
Radius
About Water Supply in San Diego
San Diego has invested heavily in desalination at the Carlsbad plant and continues to negotiate Colorado River allocations.
Hi3 Water tracks 200 water assets within 60km of San Diego, including springs, wells, aquifers, and water rights transactions. The average Water Intelligence Score in this area is 65.7/100. The most common asset type is River (198 assets).
Data sources: USGS, EPA, state water boards. Report last updated: October 17, 2026.
Water Assets Near San Diego
Top Water Assets Near San Diego
Ranked by Water Intelligence Score (WIS)
- 1
Santa Ysabel Creek
River2,424 GPM67WIS - 2
San Ysidro Creek
River2,016 GPM67WIS - 3
Conejos Creek
River1,775 GPM67WIS - 4
Sweetwater River
River11,265 GPM67WIS - 5
Samagatuma Creek
River1,518 GPM67WIS - 6
Bailey Creek
River1,476 GPM67WIS - 7
El Capitan
Reservoir50,000,000 GPM67WIS - 8
Sweetwater River
River2,849 GPM67WIS - 9
Samagatuma Creek
River2,331 GPM67WIS - 10
Bloomdale Creek
River1,155 GPM67WIS
Explore San Diego on the Interactive Map
View all water assets within 60km of San Diego, including aquifer boundaries, water rights, drought status, and regulatory alerts.