Water Quality in Lakes and Streams Information on the results from DDPHE's water quality monitoring efforts summarized in story maps and reports. Includes data on E. coli in Denver.
Recreating in Denver's Lakes and Streams Current information about water quality in streams and selected public lakes in Denver, recommendations about how to wade or boat safely in Denver’s urban waterways, and public notices and information to help you make informed choices before getting into the water.
Protecting Denver's Water Quality Learn about efforts by DDPHE, Denver Department of Transportation and Infrastructure, and Parks and Recreation to protect and improve water quality in the City’s lakes and streams.
Mosquito Control Denver’s Mosquito Management Program uses an approach designed to reduce mosquito breeding sites and larval mosquito survival and provide information and education to residents and business to help them keep mosquito populations at a safe level.
Other Water Quality Information More information about what Denver is doing to ensure safe, clean waterways including information about trash and litter, dead or dying birds, suds in streams, and more.
Graywater The Denver Department of Public Health & Environment (DDPHE) promotes sustainable water use through the Graywater Program, which educates Denver residents about using graywater in their homes. The program provides guidelines and resources for safe implementation, helping participants reduce freshwater consumption and lower water utility costs.