National Water Quality Laboratory
World-class environmental analysis and research laboratory located on the campus of Denver, Colorado.
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.
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.
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.
Provides oversight of all quality programs documented in the NWQL's comprehensive Quality Management System.
USGS News
National Water Quality Laboratory
The National Water Quality Laboratory (NWQL) is a world-class environmental analysis and research laboratory located on the campus of the Denver Federal Center in Lakewood, Colorado.
Technical Memoranda
Technical Memoranda
Electronic technical memoranda released by NWQL from 1992 to present.
Analytical Services
Analytical Services
Environmental analytical capabilities to analyze over 800 inorganic and organic contaminants primarily in water, sediment, and fish tissue.
Related Links
Related Links
Explore NWQL related sites
News
We're Hiring: National Water Quality Laboratory Leadership Positions
We're Hiring: National Water Quality Laboratory Leadership Positions
A comprehensive statewide spatiotemporal stream assessment of per- and polyfluoroalkyl substances (PFAS) in an agricultural region of the United States
A comprehensive statewide spatiotemporal stream assessment of per- and polyfluoroalkyl substances (PFAS) in an agricultural region of the United States
Loss of Scientific Integrity Finding at USGS National Water Quality Lab
Loss of Scientific Integrity Finding at USGS National Water Quality Lab
Publications
Food, beverage, and feedstock processing facility wastewater: A unique and underappreciated source of contaminants to U.S. streams
Process wastewaters from food, beverage, and feedstock facilities, although regulated, are an under-investigated environmental contaminant source. Food process wastewaters (FPWWs) from 23 facilities in 17 U.S. states were sampled and documented for a plethora of chemical and microbial contaminants. Of the 576 analyzed organics, 184 (32%) were detected at least once, with concentrations as large as
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Ecosystems Mission Area, Water Resources Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, Central Midwest Water Science Center, Kansas Water Science Center, New Jersey Water Science Center, Pennsylvania Water Science Center, South Atlantic Water Science Center (SAWSC), Upper Midwest Water Science Center, National Water Quality Laboratory
Pilot-scale expanded assessment of inorganic and organic tapwater exposures and predicted effects in Puerto Rico, USA
A pilot-scale expanded target assessment of mixtures of inorganic and organic contaminants in point-of-consumption drinking water (tapwater, TW) was conducted in Puerto Rico (PR) to continue to inform TW exposures and corresponding estimations of cumulative human-health risks across the US. In August 2018, a spatial synoptic pilot assessment of than 524 organic, 37 inorganic, and select microbiolo
Public and private tapwater: Comparative analysis of contaminant exposure and potential risk, Cape Cod, Massachusetts, USA
BackgroundHumans are primary drivers of environmental contamination worldwide, including in drinking-water resources. In the United States (US), federal and state agencies regulate and monitor public-supply drinking water while private-supply monitoring is rare; the current lack of directly comparable information on contaminant-mixture exposures and risks between private- and public-supplies under
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Ecosystems Mission Area, Water Resources Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, California Water Science Center, Eastern Ecological Science Center, New England Water Science Center, New Jersey Water Science Center, South Atlantic Water Science Center (SAWSC), Upper Midwest Water Science Center, National Water Quality Laboratory