03-08-1982 Council Minutes - Laserfiche WebLink

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REGULAR MEETING OF THE ORONO COUNCIL, MARCH 8 , 1982 PAGE -7- City Administrator Benson, andI went to the Watershed and stated that the City did not want the Watershed to drop the lake down, that the City wanted them to leave it at 929. 3 through July, and through the first two weeks of August and then drop it 1/10 at the end of August and then bring it down according to the two year plan. The Watershed took this plan to the DNR and the DNR decided to leave it at this height in July, but drop it 2/10 in August and then on down. This plan was approved back in August to operate through this winter and that plan is not operational and we are now back to the original plan. The new plan is to lower the elevation in which a no discharge situation will happen . During the months of March, April , May, June . July, August, September and the first of October, it will dis- charge water at certain rates all the way down ,to 928 . 7 then from the middle of October through the first of March it will discharge water another 1 . 2 inches or down to 928 . 6 . When we talk about flow under the old dam plan, 928 . 6 was the low point. It would discharge 0 and as the water went up to 929. 0 it would dis- charqe up to 10 cu. ft. per second. When it qot to 929 . 0 and 929 . 2 it would now discharge from 10-30 cu. ft. per second and when it went up 2/10 more it would go from 30 to 100 cu. ft. per second, and when it went up from 929 . 4 to 929 . 6 it would go from 100 to 250 and 300 to 380 , 460 to 520 , 520 to 575 cu. ft . per second. The idea was to modify the original plan to allow some discharge to approximate the fact that there would be some small discharge all the way down to 928 .6 . So what the Watershed is saying from the middle of May to the middle of July they are going to allow 15 cu. ft. per second to discharge, and from the middle of July to the middle of August they are going to allow 10 cu ft. to discharge down to the 928 . 8 and then from the middle of March to the middle of September they are going to allow it to discharge 7 cu. ft. per second until the lake reaches 928 . 7 and then there will be no discharge . Under the original plan, Jan . Feb. & Mar. they would discharge 25 cu. ft. per second. Under the new plan 150 cu. ft. per second. In the language of the proposed change it states that when the water level rises to 929 . 6 it will discharge at 250 cu. ft . per second. Language now changes to state it will discharge at a maximum of 250 cu. ft. per second , provided that the creek will take it.