Mountain Shadows LLC
EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the Idaho Department of Environmental Quality, as well as information from the U.S. EPA Enforcement and Compliance History database (ECHO). For the latest quarter assessed by the U.S. EPA (January 2019 - March 2019), tap water provided by this water utility was in compliance with federal health-based drinking water standards.
- Boise County, Idaho
- Serves: 89
- Data available: 2012—2017
- Source: Groundwater
Legal ≠ Safe
EWG Health Guidelines fill the gap in outdated government standards.
The federal government’s legal limits are not health-protective. The EPA has not set a new tap water standard in almost 20 years, and some standards are more than 40 years old.
Radium, combined (-226 & -228)Potential Effect: cancer4.7x EWG'S HEALTH GUIDELINE
Radium, combined (-226 & -228)more about
Radium is a radioactive element that causes bone cancer and other cancers. It can occur naturally in groundwater, and oil and gas extraction activities such as hydraulic fracturing can elevate concentrations.
Radium, combined (-226 & -228) was found at 4.7 times above EWG's Health Guideline.
EWG Health Guideline
pCi/L = picocuries per liter
Health RisksEWG applied the health guideline of 0.05 pCi/L, defined by the California Office of Environmental Health Hazard Assessment as a public health goal for radium-226, to radium-226 and radium-228 combined. This health guideline protects against cancer.
Includes chemicals detected in 2015-2017 for which annual utility averages exceeded an EWG-selected health guideline established by a federal or state public health authority; radiological contaminants detected between 2012 and 2017.
Barium is a mineral present in rocks, soil and water. High concentrations of barium in drinking water increase the risk of cardiovascular disease and hypertension.
How your levels compare
EWG Health Guideline
ppb = parts per billion
The EWG Health Guideline of 700 ppb for barium was defined by EWG as benchmark that protects against harm to the kidneys and the cardiovascular system.
Fluoride occurs naturally in surface and groundwater and is also added to drinking water by many water systems.
How your levels compare
ppm = parts per million
Includes chemicals detected in 2015-2017 for which annual utility averages were lower than an EWG-selected health guideline established by a federal or state public health authori.
Other Contaminants Tested✕
Chemicals tested for but not detected from 2012 to 2017:
1,1,1-Trichloroethane, 1,1,2-Trichloroethane, 1,1-Dichloroethylene, 1,2,4-Trichlorobenzene, 1,2-Dibromo-3-chloropropane (DBCP), 1,2-Dichloroethane, 1,2-Dichloropropane, 2,4,5-TP (Silvex), 2,4-D, Alachlor (Lasso), Antimony, Arsenic, Atrazine, Benzene, Benzo[a]pyrene, Beryllium, Cadmium, Carbofuran, Carbon tetrachloride, Chlordane, Chromium (total), cis-1,2-Dichloroethylene, Combined uranium, Cyanide, Dalapon, Di(2-ethylhexyl) adipate, Di(2-ethylhexyl) phthalate, Dichloromethane (methylene chloride), Dinoseb, Diquat, Endothall, Endrin, Ethylbenzene, Ethylene dibromide, Glyphosate, Heptachlor, Heptachlor epoxide, Hexachlorobenzene (HCB), Hexachlorocyclopentadiene, Lindane, Mercury (inorganic), Methoxychlor, Monochlorobenzene (chlorobenzene), Nitrate, Nitrate & nitrite, Nitrite, o-Dichlorobenzene, Oxamyl (Vydate), p-Dichlorobenzene, Pentachlorophenol, Picloram, Polychlorinated biphenyls (PCBs), Selenium, Simazine, Styrene, Tetrachloroethylene (perchloroethylene), Thallium, Toluene, Toxaphene, trans-1,2-Dichloroethylene, Trichloroethylene, Vinyl chloride, Xylenes (total)
Mountain Shadows LLC compliance with legally mandated federal standards:
- From April 2016 to March 2019, Mountain Shadows LLC complied with health-based drinking water standards.
- Exceeded EPA's Lead Action Level in the last five years: YES
- 12 QUARTERSin violation of any federal drinking water standard from April 2016 to March 2019
Information in this section on Mountain Shadows LLC comes from the U.S. EPA Enforcement and Compliance History Online database (ECHO).LEARN MORE ABOUT THIS UTILITY
Water Filters That Can Reduce Contaminant Levels
|Contaminant||Activated Carbon||Reverse Osmosis||Ion Exchange|
|Radium, combined (-226 & -228)||✔||✔|
Contact Your Local Official
One of the best ways to push for cleaner water is to hold accountable the elected officials who have a say in water quality – from city hall and the state legislature to Congress all the way to the Oval Office – by asking questions and demanding answers.LEARN MORE
Filter Out Contaminants
Check out our recommendations for filters to protect your water against the detected contaminants.EWG’S WATER FILTER GUIDE