Rainbow Water Company
EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the South Dakota Department of Environment & Natural Resources, as well as information from the U.S. EPA Enforcement and Compliance History database (ECHO). For the latest quarter assessed by the EPA (July 2018 - September 2018), tap water provided by this water utility was in compliance with federal health-based drinking water standards.
Includes chemicals detected in 2015 for which annual utility averages exceeded an EWG-selected health guideline established by a federal or state public health authority; radiological contaminants detected between 2010 and 2015.
Click on each pollution source to see from which source contaminants come.
Rainbow Water Company compliance with legally mandated federal standards
- From October 2015 to September 2018, Rainbow Water Company complied with health-based drinking water standards.
Other contaminants tested✕
Contaminants detected between 2010 and 2014 and were not part of EPA's UCMR-3 testing program:
Chemicals tested for but not detected from 2010 to 2015:
Antimony, Arsenic, Beryllium, Cadmium, Chromium (total), Combined uranium, Haloacetic acids (HAA5), Mercury (inorganic), Nitrate, Nitrite, Radium, combined (-226 & -228), Radon, Selenium, Thallium, Total trihalomethanes (TTHMs)