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41) <br />TABLE 3-12 <br />MPCA WATER QUALITY STANDARDS <br />Use <br />Class A. <br />Class B <br />Class C <br />Class D <br />1. Domestic <br />Consumption <br />2. Fisheries and <br />Recreation <br />3. Industrial <br />Consumption <br />4. Agriculture <br />and Wildlife <br />5. Navigation <br />and Waste <br />Disposal <br />6. Other Uses <br />7. Limited <br />Resource <br />Value Waters <br />Drinking quality Drinking quality Drinking quality <br />with approved after treatment: <br />disinfection coagulation, <br />maintained <br />without any <br />treatment <br />Quality permits <br />propagation and <br />maintenance of <br />warm or cold <br />water fish; <br />suitable for all <br />recreation <br />including <br />bathing <br />Quality suitable <br />for use without <br />chemical <br />treatment except <br />softening <br />Quality <br />sufficient for <br />irrigation <br />Quality permits <br />propagation and <br />maintenance of <br />cool or warm <br />water fish; <br />suitable for all <br />recreation <br />including <br />bathing (Class <br />2Bd is also <br />protected as a <br />drinking water <br />source) <br />Quality suitable <br />for use after <br />moderate <br />treatment <br />quality sufficient <br />for use by <br />wildlife and <br />livestock <br />sedimentation, <br />filtration, <br />storage, <br />chlorination <br />Quality permits <br />propagation and <br />maintenance of <br />rough fish <br />species, suitable <br />for bathing <br />quality suitable <br />for use for <br />cooling and <br />materials <br />transport without <br />high degree of <br />treatment <br />Drinking quality <br />after treatment for <br />Class C pre, post, or <br />intermediate <br />treatment <br />Quality suitable for aesthetic enjoyment of scenery and to avoid any interface <br />with navigation or property damage. <br />May be established as determined necessary. <br />Quality protected for aesthetic qualities, secondary body contact, and <br />groundwater. Do not provide enough water or habitat for aquatic life and <br />recreation. <br />Source: Minnesota Rules, State Reviser of Statutes, 1984. <br />3-28 <br />10/97 <br />