Water-Quality Information and Data
The USGS collects and analyzes chemical, physical, and biological properties of water, sediment and tissue samples from across the Nation. The NWISWeb discrete sample data base is a compilation of over 4.4 million historical water quality analyses from across the Nation.
Water-Quality Data
- Real Time
- Statistics: Daily || Monthly || Annual
- Field/Lab Samples
- Site inventory
- Tutorial for NWISweb
- Annual Data Report: Text || Map
Water-Quality Projects
Arsenic Remediation in Douglas County
Black Canyon Spring Assessment
Clear Creek Sediment and Water Quality
Effects of Urbanization on the Truckee River
Hydrocarbons in Lakes Mead and Mohave
Lake Mead Endocrine Disruption
Lake Tahoe Tributary Monitoring
National Water-Quality Assessment Program
Water-Quality Analyses of Spanish Springs Wells
Need More Information?
Contact the Nevada Water-Quality Specialist:
Michael Lico
USGS Nevada Water Science Center
2730 N. Deer Run Rd.
Carson City, NV 89701
(775) 887-7626
Email: Michael Lico

