Adedge Water Technologies, LLC

Arsenic Treatment-Michigan


Courtesy of Adedge Water Technologies, LLC

In May, 2003, upon approval by the County Health Department, Adedge Technologies in conjunction with its Michigan representative Artesian, Inc. installed the first arsenic treatment system for a Type II non-transient, noncommunity (NTNC) water system in Oakland County, Michigan. The 40 gallon per minute (gpm) system was installed at an elementary school serving 600 students to reduce naturally occurring arsenic to meet the new EPA maximum contaminant level (MCL) of 10 parts per billion (ppb). Historically, arsenic levels reported in the well serving the school ranged from 30-55 ppb, 3 to 5 times higher than the new standard. Prior to initiating treatment, a complete water profile was obtained on the source water to properly prescribe the solution and size the treatment system. Analytical parameters included arsenic, pH, iron, manganese, hardness, alkalinity and others. The pH of the water averaged 7.6. Iron was present in the feed water at 0.5 mg/L and average hardness as 228 mg/L as CaCO3.

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