NOAA Atlas 14 Point Precipitation Frequency Estimates for California
CalTrans Hydrologic Area and Sub Areas mapping, provides HSA numbers, 303(d) listed water bodies and other watershed information.
California Department of Water Resources (DWR) Groundwater Level Data Mapping
San Bernardino County Storm Water Pollution Prevention - Includes downloadable outreach and educational materials, current WQMP templates (editable version) and tips on reducing pollution.
NOAA weather forecast
Storm Water Facilities Mapping - Information about HCOC, waterbodies, soil types and other data. This web site only works with Internet explorer 11 or less.
General information about the City’s storm water program
Outreach and educational materials - Includes downloadable outreach and educational materials, and tips on reducing pollution.
WQMP templates for the Santa Ana Watershed and the technical guidance document - WQMP templates for the Santa Ana Watershed and the technical guidance document for WQMP. Appendix B is an editable copy of the WQMP template.