H.R. 200 would direct the U.S. Geological Survey (USGS) to conduct a study of water resources in the Rialto-Colton Basin located east of Los Angeles, California. The study would identify the location of aquifers, evaluate the impact of perchlorate contamination, and include an analysis of other related water issues in the basin.
See full at: http://www.cbo.gov/ftpdocs/126xx/doc12614/hr200.pdf