455B.176 - CRITERIA CONSIDERED.

        455B.176  CRITERIA CONSIDERED.         In establishing, modifying, or repealing water quality standards      the commission shall base its decision upon data gathered from      sources within the state regarding the following:         1.  The protection of the public health.         2.  The size, depth, surface area covered, volume, direction and      rate of flow, stream gradient, and temperature of the affected water      of the state.         3.  The character and uses of the land area bordering the affected      water of the state.         4.  The uses which have been made, are being made, or may be made      of the affected water of the state for public, private, or domestic      water supplies, irrigation; livestock watering; propagation of      wildlife, fish, and other aquatic life; bathing, swimming, boating,      or other recreational activity; transportation; and disposal of      sewage and wastes.         5.  The extent of contamination resulting from natural causes      including the mineral and chemical characteristics.         6.  The extent to which floatable or settleable solids may be      permitted.         7.  The extent to which suspended solids, colloids, or a      combination of solids with other suspended substances may be      permitted.         8.  The extent to which bacteria and other biological organisms      may be permitted.         9.  The amount of dissolved oxygen that is to be present and the      extent of the oxygen demanding substances which may be permitted.         10.  The extent to which toxic substances, chemicals or      deleterious conditions may be permitted.         11.  The economic costs and benefits. The goal shall be a      reasonable balance between total costs to the people and to the      economy, and the resultant benefits to the people of Iowa.  
         Section History: Early Form
         [C66, 71, § 455B.13; C73, 75, 77, 79, 81, § 455B.35] 
         Section History: Recent Form
         C83, § 455B.176         2009 Acts, ch 41, §133