Customer Support

Dam Failure Inundation-Flood Maps

Inundation (flood) maps indicate which areas are subject to flooding in the unlikely event of a dam failure. Find the specific river segments below and check the corresponding maps to see what areas may be impacted by dam failure.


Flood Map (PDF)

Apple River System-
Riverdale Dam to St. Croix River

Apple River Dam to St. Croix River (PDF)

Riverdale Dam to Somerset (PDF)

Chippewa River System-
Chippewa Reservoir Dam to Lake Holcombe

Chippewa Reservoir Index Map (PDF)

Chippewa Reservoir Map 1 (PDF)

Chippewa Reservoir Map 2 (PDF)

Chippewa Reservoir Map 3 (PDF)

Chippewa Reservoir Map 4 (PDF)

Chippewa Reservoir Map 5 (PDF)

Chippewa Reservoir Map 6 (PDF)

Chippewa Reservoir Map 7 (PDF)

Chippewa Reservoir Map 8 (PDF)

Chippewa Reservoir Map 9 (PDF)

Chippewa Reservoir Map 10 (PDF)

Chippewa River System-
Holcombe Dam to Lake Wissota

Holcombe Index Map (PDF)

Holcombe Dam Map 1 (PDF)

Holcombe Dam Map 2 (PDF)

Holcombe Dam Map 3 (PDF)

Holcombe Dam Map 4 (PDF)

Chippewa River System-
Wissota Dam to Confluence with Red Cedar River

Wissota Map Index (PDF)

Wissota Map 1 (PDF)

Wissota Map 2 (PDF)

Wissota Map 3 (PDF)

Wissota Map 4 (PDF)

Wissota Map 5 (PDF)

Flambeau River System-
Turtle Flambeau Dam to Big Falls Flowage

Turtle Flambeau Index Map (PDF)

Turtle Flambeau Map 1 (PDF)

Turtle Flambeau Map 2 (PDF)

Turtle Flambeau Map 3 (PDF)

Turtle Flambeau Map 4 (PDF)

Turtle Flambeau Map 5 (PDF)

Turtle Flambeau Map 6 (PDF)

Turtle Flambeau Map 7 (PDF)

Turtle Flambeau Map 8 (PDF)

Turtle Flambeau Map 9 (PDF)

Turtle Flambeau Map 10 (PDF)

Flambeau River System-
Big Falls to Thornapple Dam

Big Falls Dam to Thornapple Dam Index (PDF)

Big Falls Map 1 (PDF)

Big Falls Map 2 (PDF)

Big Falls Map 3 (PDF)

Namekagon River System-
Trego Dam to St. Croix River

Trego Map Index (PDF)

Trego Map 1 (PDF)

Trego Map 2 (PDF)

Trego Map 3 (PDF)

Red Cedar River System-
Cedar Falls Dam to County Hwy Y

Cedar Falls Dam to Interstate 94 (PDF)

Menomonie Dam to 330th Ave (PDF)

330th Ave to County Hwy Y (PDF)



Energy Saving Tip

Install ceiling fans to keep cool air circulating so you can turn down your air conditioner. Still, make sure to turn off your fan when you leave the room.

Preventing Carbon Monoxide Poisoning

Install carbon monoxide detectors and annually hire a qualified contractor to inspect your home for proper ventilation.

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