Saint Paul Regional Water Services (SPRWS) analyzes the treated water monthly
for various physical and chemical properties. The results are used to monitor the effectiveness of the water treatment process and to assure that adequate levels of disinfection are present throughout the system.
Portions of the test results are reported regularly to state and federal agencies, including the Minnesota Department of Health, the Minnesota Department of Natural Resources, and the Environmental Protection Agency (EPA).
The EPA also requires SPRWS to distribute an annual Water Quality Report.