May 5, 2009 City Council packet - Laserfiche WebLink

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Minnesota Department of Natural Resources Comment Summary: The city has a Water Appropriation Permit for 60 mg/yr (Permit #1961-1031). It should be noted that increases in usage beyond the 60 mg/yr would require DNR approval. This approval item should be included in Table 8-1. Response: Table 8-1 will be revised to list the Water Appropriation Permit as follows: Minnesota Department of Natural Resources Water Appropriation Permit for new municipal well, if needed Temporary Water Appropriation Permit for construction dewatering Public Waters Work Permit (for work within a DNR Public Water) Water Appropriation Permit f# 1961-1031) Modification. to increase usage beyond the mmutted amount (60 ms/vr. ) Metropolitan Council Comment Summary: The AUAR is complete and accurate. The Council does not object to the Final AUAR. Response: Comment noted Valley Branch Watershed District Comment Summary: The VBWD may update its rules and regulations to require the volume controls proposed in the AUAR within the Downs Lake watershed. Permit applicants will need to prove that they can meet the controls. The Executive Summary states "maintain" existing volume vs. "not increase" volume from existing. Response: The Mitigation Plan discussion of involvement by other agencies will be updated as follows: Involvement by Other Agencies, if applicable Proposed development projects within the AUAR area will need to submit development plans for approval by the City of Lake Elmo, the VBWD and for projects greater than 1 acre, and the Minnesota Pollution Control Agency (MPCA). The VBWD has rules relating to stormwater management plans, erosion control plans, floodplain alteration, drainage systems, and other development activities. VB W D will require Dermit applicants to provide proof than 1) the runoff volume difference between proposed and existingconditions is camured 2) the proposed infiltration facility can infiltrate at the designed rate and 3) the runoff volume can be infiltrated within 48 hours. Response: The executive summary will be updated as follows: The city will work with developers to provide runoff volume facilities adequate to maintain not increase existing runoff volume for the 100-year rainfall event by implementing volume control best management practices (BM -Ps) on their sites. Ann Bucheck Comment Summary: The Final AUAR fails to require that developers not increase stormwater runoff volumes for the 100-year rainfall event. The AUAR should suggest ordinances that could require this. The City of Lake Elmo should be the leader in enforcing the rules for development in regards to potential water problems and Face of?