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I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />I <br />I <br />I <br />I <br />! <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Peter R. Raatikka <br />page 2 - Apr. 9, 1984 <br /> <br />normally provided in an EAW prepared by this agency and thus required in a <br />locally prepared EAW intended to substitute for one prepared by the MPCA is <br />listed below. Since this would involve a substantial change to the E~W dis- <br />tributed by the city, we suggest that an amendment to the original EAW be <br />prepared, and that a new 30-day notice commence, Copies of the amendment <br />should be distributed to all re~ipie~ts of the original, and a new notice of <br />availability published in the Environmental Quality Board Monitor. A draft <br />copy of the amendment should be submitted to the MPCA prior to its distribution <br />so that we may be assured the document will serve in lieu of our own. <br /> <br />Informati~n ~e~uired to address impacts related to wastewater treatment. <br /> <br /> If review is mandatory under 6 MCAR §3.038Qo2 and the city elects to pre- <br />pare an amendment to the original EAW, a discussion must be provided of waste- <br />water treatment provisions which is commensurate with project nature and scope. <br />Since the project in question involves collection and regional treatment, the <br />following information will be required: <br /> <br />· 1. ~ ~ description of the proposed facilities, including design flow <br /> and basis for same (population, dwelling 'unit numbers and popula- <br /> tion, per capita flow) collection system diameters, lengths, and <br /> routes, and location of lift stations. <br /> <br />2. Capacity of the Anoka treatment plant to treat the increased <br /> quantity and concentration of pollutants. <br /> <br />3. Location and flows attributable to other areas or developments <br /> intended to be served by the sewer extension, if any. <br /> <br />Capacity of the Champlin-Anoka-Brooklyn Park (CAB) interceptor and <br />downstream interceptors to which it is tributary (Minneapolis East <br />interceptor, joint interceptor). We are enclosing a copy of our <br />recent EAW on the CAB interceptor for reference. <br /> <br />5. Compatibility with local sewer'extension~plan$~ <br /> <br />6. Construction impacts and mitigative methods: <br /> <br />a. impacts on sensitive areas listed in items '18! 26! 27 <br /> and 28 of the EAW- <br /> <br />presence of hazard areas listed tn item 16 of the"EAW <br /> <br />dewatering activities, excavation depths'and wtdths'=equired <br />along routes <br /> <br />d, erosion/sedimentation controls and othe= mitigation'~ <br /> <br /> <br />