The U.S. Geological Survey (USGS) and Centers for Disease Control and Prevention (CDC) released a study several years back that estimated 2.1 million people in the U.S. may be getting their drinking water from private domestic wells considered to have high concentrations of arsenic, presumed to be from natural sources.

USGS also reported that much of the West, including Arizona, California, Nevada, New Mexico, Oregon and Washington, are states where it's believed the most people may have high-levels of arsenic in their private domestic well water. The agency goes on to share that while public water supplies are regulated by the U.S. Environmental Protection Agency (EPA), maintenance, testing and treatment of private water supplies are the sole responsibility of the homeowner.

“Approximately 44 million people in the U.S. get their drinking water from private wells according to the USGS,” said Derrick A. Denis, Vice President of Indoor Environmental Quality for Clark Seif Clark (CSC). “Regrettably, many homeowners are unaware of the various simple tests available to determine if their well water is free of elevated concentrations of arsenic or other common contaminants.”

In addition to arsenic, water quality parameters and potential well contaminants are numerous and diverse (e.g. E. coli, Legionella, lead, copper, mercury, uranium, nitrates and nitrites, etc.). Since there are no specific testing requirements for private wells, the environmental professionals at CSC are available to help clients refine the list of analytes to meet their specific needs and concerns. These consulting, testing and monitoring services from CSC are available to identify and assess a wide range of biological, chemical, radiological and physical contaminants.

CSC also recently sponsored an educational video about arsenic and testing drinking water from private wells that can be seen at: https://youtu.be/zpwmcBPKw08

To learn more about this or other environmental, health and safety services, please visit www.csceng.com, email csc@csceng.com or call (800) 807-1118.

About Clark Seif Clark
CSC was established in 1989 to help clients in both public and private sectors address indoor air quality, occupational, environmental, and health and safety (EH&S) issues. CSC is a leading provider of these services with multiple offices along the western seaboard and southwest. The company believes in science-based protocols and has a strong background in engineering, making them the preferred environmental consultants to industrial clients, healthcare facilities, architects, schools, builders, contractors, developers and real estate professionals.

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