Iowa City, IA – Notice is hereby given that the U.S. Army Corps of Engineers, Rock Island District, Coralville Lake has completed a draft antidegradation alternatives analysis for discharge of treated wastewater to the Iowa River. The action being considered is the addition of a discharge pipe to the existing sewage lagoon. The Iowa River is protected for Class A1 primary contact recreational, B(WW-1) warm water, HH human health and C drinking water supply beneficial uses.