National Water Quality Laboratory
World-class environmental analysis and research laboratory located on the campus of Denver, Colorado.
Analytical Services
Environmental analytical capabilities to analyze over 800 inorganic and organic contaminants primarily in water, sediment, and fish tissue.
Methods, Research and Development
Formed in 1987 to address national-level concerns about toxic contaminants in the nation's water resources.
Quality Assurance
Provides oversight of all quality programs documented in the NWQL's comprehensive Quality Management System.
USGS News
National Water Quality Laboratory
Our National Water Quality Laboratory (NWQL) priority is to continue the important work of the Department of the Interior and the USGS, while also maintaining the health and safety of our employees and community. Based on guidance from the White House, the CDC, and state and local authorities, we are shifting our operations to a virtual mode and have minimal staffing within our offices.