12/04/2002 Env Bd Packet - Laserfiche WebLink

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ENVIRONMENTAL BOARD MEETING OCTOBER 30, 2002 Donlin stated that the potential numbers were inappropriate for septic use. If the site was not sewered, it probably should not be at that location. Ms. Bor indicated that the MPCA would be contacted for review. Donlin added that septics had a thirty-year life, and expressed concern over the possible failure of that system. Asleson noted that the soils on this site infiltrate, but the speed was slow. They were proposing a mound system with sand. Mr. LeBlanc stated that the proposed well . needed further review, because it could cause drainage of 500 acres. Asleson answered that, in the report, they should address the proposed well and how it could affect the other wells. Donlin expressed concern for adequate water in case of fire, because they did not have city water. • Page 11, Section 14: Donlin noted that if Peltier Lake was a natural environment lake, the setback cited in the 6th paragraph was inaccurate. It should be 200 feet for non - sewered land. If the woodlands flooded, there would be no buffer for the heron colony. • Page 12, Section 14: Asleson stated that a floodplain map should be overlaid on their existing map. Donlin indicated the lake access needed to be addressed in Section 15. Asleson answered that they should be able to use the lake, but that they needed to be more descriptive about their intentions on use, such as types of water craft. Asleson stated for Section 16, that the soils and compaction needed to be addressed. Somewhere in the document protection measures and remedial measures to be taken to restore compacted soils should be addressed. Grundhofer asked for clarification if 50 acres was the amount disturbed included 15 acres of impervious. (See also page 6.) This clarification should address where the 50 acres is, and how it will be disturbed. The report should address the soils budget. • Page 13, Section 16: O'Dea indicated that more information was needed for slopes between 0 -12 %. Asleson answered that infiltration and filtration was under Section 17, but agreed that more detail was necessary in the areas of how, what and why there was no planned pervious overflow and pervious paving. The technology was available. Systems can be designed to trap and store the water, to give it time to go into the soil. 10 ,DRAFT MINUTES