HomeMy WebLinkAbout190813_Barr_Supporting_Info_TFMeetingWeber Pond
subwatershed
landlocked
subwatershed
100-yr flooding
500-yr flooding
Impact to Structures
For reference, data for the June 19, 2014
rainfall event:
•Total precip (at MSP): 4.13" daily. 4.03" falling in 9 hour period. This ends up being a ~16 year RI (4.03" in 9 hr).
•According to MNDNR, highest single day rainfall total in 5 years.
•0.5" of precip the day before.
•2.6" of precip June 14th through 16th.
•All this to say, very wet conditions.
Source: Minnehaha Creek Watershed District Facebook page
Source: Minnehaha Creek Watershed District Facebook page
Source: Minnehaha Creek Watershed District Facebook page
Detailed Areas (5 areas)FID(s)
# homes/apt
buildings TOTAL # of structures
Weber Park 4, 19, 79 39 57
Concord 8 35 51
Halifax 0, 1, 81 28 42
Southdale 11 29 39
62&100 33, 53, 54, 55 26 36
Total in Detailed Areas 157 225
From City staff report that Martha and Ross provided for the last meeting:
Screening Level areas (20 areas)FID(s)
# homes/apt
buildings TOTAL # of structures
Morningside Road, Branson Street, Grimes and 44th 21 11 20
Sally Lane 65 19 19
Northeast of Concord, Wooddale and Tower 7, 27, 28 11 17
East side of Mud Lake / Bredesen Park 44 15 17
Hawkes Lake, upstream and downstream of Vernon 39, 46, 68 16 16
North of Morningside Road, between Lynn Ave. and Crocker Ave.20 10 10
Ridgeview Drive, north of 70th, west of 100, south of 62 50, 51 10 10
South of 62, West of Gleason, Duplex/Townhomes 45 9 9
66th Street, west of 100 52 9 9
Blake Road and Belmore Lane 13 5 8
Centennial Lakes 61 0 8
South of Mirror Lake, north of Vernon, east of Blake Road 36 7 7
East of Schaefer Road, along Parkwood 38 6 6
Schaefer Road and View Lane 42 6 6
Upstream of Mirror Lake, Maloney Ave. & Tyler Ct.12 5 5
Valley View Road and Antrim, south of the High School 49 5 5
Cornelia Street, 70th and West Shore Drive 59 4 4
50th & France 6 1 3
West of 100, near the creek crossing 16 3 3
East of Braemar, south of Dewey Hill Road, east of Gleason 64 2 2
Total in Screening Level Areas 154 184
What are the top areas in the City for flood
risk?
During the development of the 2018
CWRMP, staff and consultant
reviewed model data inundations
intersecting building structures at a
citywide level to sort which areas to
do detailed level review or screening
level review.
An additional 54 areas were not
studied, totaling 381 homes/apts
and 454 structures.