East Monroe Water Corporation (EMWC) buys all of the water we sell to our members from the City of Bloomington Utilities Department (CBU). CBU pumps all of its water from Monroe Reservoir and treats it before releasing it to its customers. Federal guidelines require the state of Indiana to issue Source Water Assessments (SWA) in order to identify significant or possible sources of contamination. Information concerning Monroe Reservoir’s SWA is available by contacting City of Bloomington Water Quality Office.
All of Monroe Reservoir’s water is sourced from rainfall which has traveled either over or through the ground to the reservoir. On its journey to the reservoir, the water dissolves naturally occurring minerals, and possibly radioactive materials, as well as substances resulting from animal or human activity. Contaminants that may possibly be found in surface water include: microbial contaminants derived from biological wastes or from soil activity; inorganic contaminants (i.e. salts and minerals that can be naturally occurring or the result of industrial or agricultural activity); pesticides and herbicides from agricultural or residential usage; organic chemical products resulting from industry, septic systems, and runoff water from such commercial as gas stations; and naturally occurring radioactive materials. Treated water may also contain contaminants resulting from the disinfection process. Chlorine and other compounds used as disinfectants also interact with organic materials to produce small amounts of byproducts (haloacetic acids and trihalomethanes) that may pose a health risk when consumed over long periods of time.
The following table lists results for EMWC’s water quality testing for 2022 as conducted by both EMWC and by CBU.
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