National Drought Mitigation Center
USGS Real-Time Water Data for California
USGS real time water data for California including streamflow, groundwater, lake and reservoirs, water quality, and more.
United States Geological Survey
The National Drought Mitigation Center | 3310 Holdrege Street | P.O. Box 830988 | Lincoln, NE 68583–0988
phone: (402) 472–6707 | fax: (402) 472–2946 | Contact Us