photo credit


Water Resources and Quality Division manages the operations and planning of the city's raw water supply. The city complies with all state and federal water, and wastewater regulations.

2022 Water Quality Report

Water Quality Reports ( 2022- 2019)

2022 Water Quality Report ( details data collected in 2021): View on ISSUU or download PDF

2021 Water Quality Report (details data collected in 2020): View on ISSUU or download PDF

2020 Water Quality Report (details data collected in 2019)

2019 Water Quality Report (details data collected in 2018)

Be in the know about lead and water

There are no known lead service lines in Westminster’s water service area.

  • Lead is not present in our source water nor in the water leaving our treatment plants.
  • Staff is not aware of any lead infrastructure in the city’s water system, including any service lines to a home or business
  • Be aware that plumbing within your building or home may contain lead components, including lead solder on pipes or faucets. City staff ensure that the water delivered to your home is appropriately treated to reduce the corrosivity of the water, thereby reducing the possibility of contaminants leaching into your drinking water from these components.
  • When your water has been sitting for several hours, you can minimize the potential for lead exposure by flushing your cold water for 30 seconds to 2 minutes before using water for drinking or cooking.
  • If you would like to learn more, please contact our Water Quality staff at 303-658-2461.

Rocky Flats Oversight