Professional Societies
• American Society of Civil Engineers
• American Congress on Surveying and Mapping
• California Land Surveyors Association (CLSA)
• Consulting Engineers and Land Surveyors of California (CELSOC)
• National Society of Professional Engineers

Survey Data
• NGS Control Data On-Line
• USGS Maps Available On-Line

Land Surveying Information
• Land Surveying Information Page
• Land Surveying and Geomatics: Other Sites
• Land Surveying Info

Stormwater Management
• Stormwater Manager's Resource Center
• USGS - California
• Caltrans Stormwater Management Program
• EPA Watershed Protection

Stormwater Permitting
•  California Water Quality Control Board
• EPA Stormwater NPDES Program

BMPS
• National Stormwater BMP Database

Other Resources
• Caltrans
• San Bernardino County
• Riverside County
• California Engineering License Board
• Cal Poly Pomona (Engineering)