Clean Waters is the official publication of the Iowa Water Environment Association and is published quarterly for distribution to members, individual and associate members, legislative delegations, water and wastewater related agencies, other industry associations and other friends.  The association is a non profit corporation in the state of Iowa dedicated to improvement of water quality in the state of Iowa.  Editorials and opinions are not necessarily official positions of the Association or its officers.  Circulation is 800.  Subscriptions are available at $20.00 per year.  Articles and photographs are encouraged.  Article submissions should be addressed to