ANTI-DEGRADATION ALTERNATIVES ANALYSIS BY SOUTHERN IOWA RURAL WATER ASSOCIATION FOR WATER TREATMENT RESIDUALS DISCHARGE TO TWELVE-MILE CREEK.  

PUBLIC NOTICE DATE:  9/2/21

Notice is hereby given that Southern Iowa Rural Water Association (SIRWA) has completed a draft anti-degradation alternatives analysis for the discharge of treatment residuals water from its proposed new water treatment plant (WTP).  This new WTP will use eight (8) commonly used treatment chemicals in its water purification process and these chemicals are included in the anti-degradation alternatives analysis. The action being considered will impact Twelve-Mile Creek immediately downstream of the Twelve-Mile Lake dam spillway.  Twelve-Mile Creek is classified as a Class A2 secondary contact recreational use and a Class B(WW-2) warm water for aquatic life uses by the Iowa Department of Natural Resources (DNR).

Anyone wishing to comment on the proposed discharge must do so in writing within 30 days of the date shown at the top of this Notice.  Comments may be submitted to SIRWA, Attn. Dan McIntosh, 1391 190th Street, Creston, Iowa 50801, or to dmc@sirwa.org.

Copies of this Notice, the draft anti-degradation analysis, and supporting information are on file and available for public viewing from 8:00 AM to 4:30 PM Monday through Friday at the above address.  Copies of this information may be requested by contacting Dan McIntosh at (641) 782-5744 or at dmc@sirwa.org.  SIRWA will submit a summary of the comments received and its responses to the Iowa DNR, with the final alternatives analysis subject to Iowa DNR review and approval.