Flood Impacts

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1695.08
record lake elevation reached in 2019 (using the NAVD88 elevation).
1694
the access road is overtopped (using the NAVD88 elevation).
1693.75
peak 1997 recorded lake elevation (using the NAVD88 elevation).
1688.6
outlet elevation of the lake (using the NAVD88 elevation).

Flood Impacts

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21.5
Water overtops the 272nd Street bridge at the gage site.
20.5
272nd Street near the gage is flooded.
19.5
Water reaches the bottom of the bridge on 272nd Street at the gage.
17
Hwy 19 north of 272nd begins to floood. Water begins to approach at least one house off of 272nd St.
16.5
275th east of Parker is flooded. The bridge on 271st St just west of Highway 19 is overtopped.
16
The bridges on 455th Avenue and 456th Avenue are both overtopped and water may approach 275th west of Parker.
15
Water reaches the bottom of the bridge on 456th Avenue.
14
Water reaches the bottom of the bridge on 455th Avenue.
13
Water reaches the bottom of the bridge on 273rd St and water may begin to surround a few outbuildings near the gauge location.
12
Flooding of agricultural land begins.
10
Some flooding is possible across the lowest banks and ditches.

Flood Impacts

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15.5
The bridge on Highway 44 just northwest of Parker is overtopped.
14
The bridge on 274th Street at the gage is overtopped.
13.5
Water reaches the bottom of the bridge on Highway 44 northwest of Parker.
12
Highway 44 begins to flood as do numerous county and township roads. Thunder Valley drag strip starts to see flooding of fields and grandstand areas.
11.5
456th Ave and 276th St east of Parker will be flooded.
11
Major agricultural flooding begins, and a few county and township roads will begin to flood, including Thunder Valley Ave near the gage site.
10
Moderate flooding of agricultural land begins.
9
Minor flooding of agricultural land begins and the lowest portion of 274th near the gage site may begin to flood.
8
Some flooding of the lowest lying banks and ditches is possible.

Flood Impacts

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20.5
The bridge at the gauge site on 461st Ave is overtopped.
17
The lowest portions of 461st Ave north of the gauge site begin to flood.
16.5
The bridge 1 mile west of Davis on Highway 18 is overtopped, and the water reaches the bottom of the bridge 1 mile northwest of Davis on 460th Avenue.
15.5
Water reaches the bottom of the bridge 1 mile southwest of Davis on 286th Street.
15
Major flooding of agricultural land begins, flooding approximately 25000 acres between Davis and Vermillion. The town of Davis and several rural roads also begin flooding.
14.5
The higher banks and levees get overtopped, and flooding of some rural roads south of Davis begins. Also 280th Street between 459th and 460th Avenue is flooded.
13.5
Water reaches the bottom of the bridge 1 mile west of Davis on Highway 18.
13
Moderate flooding of agricultural land begins.
12
Several houses just west of Davis are surrounded by water.
11
Agricultural flooding begins
10
The lowest banks begin to be overtopped with some low lying areas flooded.

Flood Impacts

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19.5
Water reaches the bottom of the bridge on 461st Avenue near Lodi, and the highest levees will be overtopped.
19
The intersection of Highway 19 and 46 begins to flood. The bridge on 302nd Street 1 mile east of Colfax Corner is overtopped.
18.5
The bridge on highway 19 near Lodi, and the bridge on 461st Avenue northeast of Colfax Corner, are both overtopped.
18
Water reaches the bottom of the bridge on 303rd Street between Lodi and Colfax Corner.
17.5
The bridge on 304th Street west of Dalesburg is overtopped. Water reaches the bottom of the bridge on Highway 19 at the gauge location.
17
Highway 19 south of Centerville is flooded. Water reaches the bottom of the bridge on 302nd Street east of Colfax Corner, and many of the levees will start to be overtopped with approximately 25000 acres flooded between Davis and Vermillion.
16.5
Hwy 19 north of the gage location begins to flood. Water reaches the bottom of the bridge on 461st Avenue northeast of Colfax Corner, and major flooding of agricultural land south of Davis begins.
16
Water reaches the bottom of the bridge on 304th Street west of Dalesburg, Highway 19 near 299th Street begins to flood, 302nd Street near Colfax Corner will be flooded, and approximately 10000 acres could be flooded between Centerville and Vermillion.
15.5
Water reaches the bottom of the bridge on highway 19 near Lodi, and 306th Street near Hub City will flood along with several other county roads.
15
Highway 19 south of Centerville could start flooding if the levees fail.
14
Minor flooding of low lying areas begins in non-leveed areas and some agricultural land will flood if the levees fail.

Flood Impacts

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35
Water reaches the bottom of the bridge on Highway 19.
31
The University Road bridge at the gauge is overtopped.
30
Water reaches the bottom deck of the railroad bridge west of Vermillion. Flood waters are 10 feet deep in some farm houses, and the terminal grain corporation is flooded.
29
Water reaches the bottom of the bridge on University Road at the gauge.
28
The lowest portions of University Rd north of the gauge location bridge begin to flood.
26
The bridge on North Crawford Avenue northeast of the gauge is overtopped
24
The bridge on University Road near 312th Street is overtopped.
23
Water reaches the bottom of the bridge on North Crawford Avenue northeast of the gauge.
21
Water reaches the bottom of the bridge on University Road near 312th Street, significant agricultural flooding begins, and a few farm houses are affected by high water.
18
Minor flooding of some low lying agricultural land begins. Portions of the bike trail at Cotton Park in Vermillion begin to flood.

Flood Impacts

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14.5
The bridge on Highway 81 is overtopped.
11.5
443rd Avenue 1 mile east of the gage is flooded.
10.5
The bridges on 248th Street and 444th Avenue are overtopped, and water reaches the bottom of the bridge on Highway 81.
9.5
The bridge on 442nd Avenue at the gage is overtopped, and the water reaches the top of the culverts on 247th Street northwest of the gage and on 443rd Avenue east of the gage.
8
The water reaches the bottom of the bridges on 247th Street, 248th Street, and 444th Avenue.