NR 104.24(1)(1) The Montreal River is used for hydropower, recreation, wildlife and stock watering, waste assimilation and has aesthetic value. Its waters shall meet the standards and requirements for recreational use and fish and aquatic life.

NR 104.24(2)(2) Several waters cross the Wisconsin-Michigan line including Wester Creek, Black River tributaries, McDonald Creek tributaries, Bena Lake Inlet, Harris Creek, Moraine Creek, Oxbow Lake Inlet, Unnamed Creek between Little Presque Isle Lake and Twin Island Lake, South and East Branch Presque Isle River, tributary to Palmer Lake, Johnson Springs Outlet, Lobischer Creek and Elvoy Creek and the following lakes:

Uses of these waters include fishing, recreation, aesthetic, and stock and wildlife watering. Their water quality shall meet the requirements and standards for recreation and fish and aquatic life. The Black River tributaries and Elvoy Creek are classified as trout waters.

NR 104.24(3)(3) The Brule and Menominee Rivers are used for hydropower production and the latter stream is used for waste assimilation and industrial water supply. Fishing, recreation, aesthetic values and stock, and wildlife watering are common to both. The Brule River is classified as a trout stream and it shall meet the requirements for recreation and the standards for trout waters. Waste quality requirements and standards on the Menominee River shall meet the standards for recreational use and fish and aquatic life.

NR 104.24(4)(4) Green Bay is used for public water supply, recreation, commercial and recreational fishing, industrial and cooling water, and waste assimilation. The waters of Green Bay, except as provided below, shall meet the standards for fish and aquatic life and recreational use.

NR 104.24(5)(5) Green Bay waters southeasterly from the navigation channel and southerly from the north line of Brown County shall from January 1 to April 1 annually meet the standards for recreational use and fish and aquatic life except that the dissolved oxygen shall not be lowered to less than 2 mg/L at any time.

NR 104.24 HistoryHistory: Cr. Register, September, 1973, No. 213, eff. 10-1-73; renum. from NR 103.05, Register, July, 1991, No. 427, eff. 8-1-91.

NR 104.25NR 104.25 Wisconsin-Michigan-Illinois-Indiana waters. Lake Michigan is used for recreation, commercial and recreational fishing, shipping, public water supply, waste assimilation, and industrial and cooling water. All Lake Michigan waters shall meet the standards for public water supplies and the standards for recreational use and fish and aquatic life, in addition to the thermal criteria contained in s. NR 102.04, Stats.

NR 104.25 HistoryHistory: Cr. Register, September, 1973, No. 213, eff. 10-1-73; reprinted to correct printing error, Register, February, 1987, No. 374; renum. from NR 103.06, Register, July, 1991, No. 427, eff. 8-1-91; correction made under s. 13.93 (2m) (b) 7., Stats., Register January 2002 No. 553.

NR 104.26NR 104.26 Trout waters. Trout waters include the open waters of Lakes Superior and Michigan as well as those classified by the department of natural resources. They must be given special protection as required by the fish and aquatic life standards.

NR 104.26 HistoryHistory: Cr. Register, September, 1973, no. 213, eff. 10-1-73; reprinted to correct printing error, Register, February, 1987, No. 374; renum. from NR 103.07, Register, July, 1991, No. 427, eff. 8-1-91.

NR 104.27NR 104.27 Fish reproduction. Standards adequate to maintain fish reproduction shall be maintained in the open waters of Lake Superior and Lake Michigan and in all other interstate waters which are designated by the department as of primary importance in the public interest for the maintenance of fish reproduction.

NR 104.27 HistoryHistory: Cr. Register, September, 1973, No. 213, eff. 10-1-73; renum. from NR 103.08, Register, July, 1991, No. 427, eff. 8-1-91.

NR 104.28NR 104.28 Revision of designated uses. Modification of the uses and designated standards established in this chapter may be initiated by the department, by petition of any interested person, or by the natural resources board, subject to the provisions of ch. 227, Stats.

NR 104.28 HistoryHistory: Cr. Register, September, 1973, No. 213, eff. 10-1-73; renum. from NR 103.08, Register, July, 1991, No. 427, eff. 8-1-91.