Fast Fact
1990 water use in 1990 was 58% ag, 32% environmental, 6% urban, and 4% other
U.S. Geological Survey
1990 water use in 1990 was 58% ag, 32% environmental, 6% urban, and 4% other

SRWP Monitoring Data is Online


The SRWP monitoring data from 1998 - 2001 is available online at the Calif. Dept. of Water Resources Bay-Delta Tributaries. This website was launched in February 2004 and is continuing to be improved and expanded. SRWP data is summarized here and is available for download here.

Program Information

Program Information
Program Bear/Yuba River Mercury (BLM) (52839) 
Agency U.S. Geological Survey 
Contact Name Charlie Alpers 
Address 1 U.S. Geological Survey 
Address 2 6000 J Street, Placer Hall 
City Sacramento 
State CA 
Zip Code 95819-6129 
Phone 916.278.3134 
Email Address calpers@usgs.gov 
Website Website 
Parameters Monitored Show Parameters Monitored
Locations Show Locations
Program Document Ref.  
Program Status Completed 
Program Goals to determine the extent of contamination of mercury and arsenic on BLM lands from historic mining activities in the Bear River and South Yuba River watersheds so that potential risks to human health and the environment can be appropriately managed. 
Funding Source  
Monitoring Strategy  
Sampling Methods  
Site Selection Deterministic 
Monitoring Events Per Year Monitoring completed 
Start Year  
End Year  
QA Document Ref.  
Data Formats Database 
Data Update Frequency