281.346(4)(c)2.c. c. The proposal maximizes the amount of water withdrawn from the Great Lakes basin that will be returned to the source watershed and minimizes the amount of water from outside the Great Lakes basin that will be returned to the source watershed.

281.346(4)(c)2m. 2m. The proposal is consistent with an approved water supply service area plan under s. 281.348 that covers the public water supply system.

281.346(4)(c)3. 3. If the proposal would result from a new withdrawal or an increase in a withdrawal that would average 100,000 gallons or more per day in any 90-day period, the proposal meets the exception standard under par. (f).

281.346(4)(c)4. 4. If the proposal would result in a new water loss or an increase in a water loss from consumptive use that would average 5,000,000 gallons or more per day in any 90-day period, all of the following apply:

281.346(4)(c)4.d. d. The department considers the regional declaration of finding in determining whether to approve the proposal.

281.346(4)(d)1.1. The department may approve a proposal under par. (b) for a new intrabasin transfer or an increase in an intrabasin transfer to which par. (c) does not apply that would average less than 100,000 gallons per day in every 90-day period, if the proposal meets the applicable requirements under s. 30.18, 281.34, or 281.41 or, if those sections do not apply, any requirements specified by the department by rule and, if the water will be used for public water supply purposes, the proposal is consistent with an approved water supply service area plan under s. 281.348 that covers the public water supply system.

281.346(4)(d)2. 2. The department may approve a proposal under par. (b) for a new intrabasin transfer or an increase in an intrabasin transfer to which par. (c) does not apply that would average more than 100,000 gallons per day in any 90-day period with a new water loss or an increase in water loss that would average less than 5,000,000 gallons per day in every 90-day period, if all of the following apply:

281.346(4)(d)2.a. a. The proposal meets the exception standard under par. (f), except that the water may be returned to a watershed within the Great Lakes basin other than the source watershed and par. (f) 3m. does not apply.

281.346(4)(d)2.b. b. The applicant demonstrates that there is no feasible, cost-effective, and environmentally sound water supply alternative within the watershed to which the water will be transferred, including conservation of existing water supplies as determined under par. (g).

281.346(4)(d)2.c. c. If the water will be used for public water supply purposes, the proposal is consistent with an approved water supply service area plan under s. 281.348 that covers the public water supply system.

281.346(4)(d)3. 3. The department may approve a proposal under par. (b) for a new intrabasin transfer or an increase in an intrabasin transfer to which par. (c) does not apply with a new water loss or an increase in water loss that would average 5,000,000 gallons per day or more in any 90-day period, if all of the following apply:

281.346(4)(d)3.b. b. The applicant demonstrates that there is no feasible, cost-effective, and environmentally sound water supply alternative within the watershed to which the water will be transferred, including conservation of existing water supplies as determined under par. (g).

281.346(4)(d)3.c. c. If the water will be used for public water supply purposes, the proposal is consistent with an approved water supply service area plan under s. 281.348 that covers the public water supply system.

281.346(4)(d)3.g. g. The department considers the regional declaration of finding in determining whether to approve the proposal.

281.346(4)(e)1.1. The department may approve a proposal under par. (b) for a new diversion or an increase in a diversion if the water diverted will be used solely for public water supply purposes in a community within a straddling county or, if a community is partly within a straddling county and partly within a county that lies entirely outside the Great Lakes basin, the water diverted will be used solely for public water supply purposes in the portion of the community that is within the straddling county and all of the following apply:

281.346(4)(e)1.c. c. The proposal maximizes the amount of water withdrawn from the Great Lakes basin that will be returned to the source watershed and minimizes the amount of water from outside the Great Lakes basin that will be returned to the source watershed.