10-15-97 SCCI
Otsego/Dayton WWTF
Site Selection Process
June 1996 Facilities Plan determines Crow River is the best alternative for discharge of
effluent
♦ WWTF is depicted in Otsego (prior to combining with Frankfurt Township)
► Centrally located to three communities (Otsego, Dayton, Frankfurt Township)
► Close proximity to Crow River and Mississippi River
► Downstream end of natural drainage area
► larger parcels available, up to 80 acres
June 1997 Site Selection Study analyzed three sites in the general location presented in the
Facilities Plan.
♦ General area depicted in Facility Plan
♦ Near the Crow River
♦ In currently undeveloped area
♦ 40 acre parcels
♦ Land along the Crow River was not selected due to limited parcel size, limits on
expandability and proximity to residential development
• Subsequent Analyses
♦ Site by site review as ordered by the City Council
♦ Mayor contacted land owners in area (no willing sellers)
♦ Focus was on land adjacent to CSAH36 to limit access road costs
♦ Land near Crow River was found to be expensive to fill (f $200,000 in additional site
preparation costs)
♦ Discharge point desired west of peninsula per conversations with MPCA
♦ Council selected site to allow for final preparation of Facility Plan
• September 1997 Facility Plan
♦ Central to the Otsego/Dayton service area
♦ Located in an undeveloped area
♦ Close proximity to Crow River and Mississippi River
♦ Less than 500 feet from Crow River
♦ Adequate area available for long-term capacity of the service area
♦ No significant constraints to site grading, landscaping, facility orientation and site
buffering
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Otsego/Dayton WWTF
Site Selection Process
• June 1996 Facilities Plan determines Crow River is the best alternative for discharge of
effluent
♦ WWTF is depicted in Otsego (prior to combining with Frankfurt Township)
P. Centrally located to three communities (Otsego, Dayton, Frankfurt Township)
► Close proximity to Crow River and Mississippi River
► Downstream end of natural drainage area
► larger parcels available, up to 80 acres
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Sanitary Sewer Study Area
Proposed Sewer System
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WASTEWATER TREATMENT STUDY
50301F06 JUNE 1996 CCMM. 50301
Otsego/Dayton WWTF
Site Selection Process
• June 1997 Site Selection Study analyzed three sites in the general location presented in the
Facilities Plan.
♦ General area depicted in Facility Plan
♦ Near the Crow River
♦ In currently undeveloped area
♦ 40 acre parcels
♦ Land along the Crow River was not selected due to limited parcel size, limits on
expandability and proximity to residential development
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SITE i
A. Parcel Data:
♦ Description: SEY4 of SEY4 of Section 35, Township 121, Range 23
♦ Owners per County Records: Fae Jacobs, Loretta Moos, Dorothy Kirkpatrick
♦ Area: 40 acres plus right-of-way for access = 2.5 acres
Total Acquisition: approximately 42.5 acres
B. Environmental
♦ Wetlands - None identified from aerial photos.
♦ Distance from center of site to nearest residential development
1700' N.W. and S.W. - Greater than a quarter mile
♦ Drainage:
Ninety percent of 40 acres drain to the northeast to a ditch. The drainage pattern is developed with the ditch being
the outflow conveyance. The pattern of drainage is functional. Availability for storage pond of runoff appears to be
good in N.E. corner of 40 acres.
♦ Public Access:
Remote 40 acres with no public access. Road would need to be built at least a '/4 mile to reach the boundary. The 40
acres are not adjacent to TH 101 or CSAH36 by at least Y2 mile.
C. Physical Issues:
♦ Topography - Rolling with some sharp changes in grade.
The topo is diverse in that the westerly 2/3 (generally about 5-12% slope) is currently being farmed as cropland. About
7-8 acres is 5-7% slope and the rest is either flat or very steep.
♦ Soils - Hayden (HI) & Glencoe (Majority of site area is Hayden)
♦ Ground Cover
25-30 acres appear from aerial photo have been grain crop fields. Other area could be pasture land.
D. Site Development Condition
♦ Access: A road would need to be built either from 65th Street south to the site and/or from the Southwest 59th Street
and Quenroe Avenue. A street from the south may be closer, however, that would access through residential property.
Access from the north would make for a long dead road from CSAH 42 to 65th Street to the site approximately 3/4
mile. 65th Street is dead -ended at TH101. R.O.W. to the site would need to be acquired.
♦ Area Available
It appears that about 8-10 acres is a developable site for a Wastewater Treatment Plant. The rest could be used as a
buffer and expansion of the facilities.
♦ Elevation
It appears that the average/mean elevation on the site area for the plant site is 915.0 with a 920.0 on the south end
and a 905.0 on the north end which is about 1.5% slope north to south.
♦ Distance to Discharge Point in Crow River
About 2500 LF from the center of site to river. Easement to place the discharge pipe will be required.
Otsego/Dayton WWTF
Site Selection Process
• Subsequent Analyses
♦ Site by site review as ordered by the City Council
♦ Mayor contacted land owners in area (no willing sellers)
♦ Focus was on land adjacent to CSAH36 to limit access road costs
♦ Land near Crow River was found to be expensive to fill (± $200,000 in additional site
preparation costs)
♦ Discharge point desired west of peninsula per conversations with MPCA
♦ Council selected site to allow for final preparation of Facility Plan
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Otsego/Dayton WWTF
Site Selection Process
• September 1997 Facility Plan
♦ Central to the Otsego/Dayton service area
♦ Located in an undeveloped area
♦ Close proximity to Crow River and Mississippi River
♦ Less than 500 feet from Crow River
♦ Adequate area available for long-term capacity of the service area
♦ No significant constraints to site grading, landscaping, facility orientation and site
buffering
FROt'EIZtY LINE
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