Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 20-54 - Agricultural Resource Management
Chapter ATCP 48 - Drainage districts
Subchapter III - Inspecting drainage districts
Section ATCP 48.16 - Inspection after major storm

Universal Citation: WI Admin Code § ATCP 48.16

Current through February 24, 2025

(1) REQUIREMENT. Within 3 weeks after a drainage district is affected by a storm that exceeds a 25-year 24-hour rainfall event for that county, the county drainage board or its authorized employee or agent shall inspect the district drains and corridors affected by the storm. The county drainage board shall inspect the district drains and corridors to determine the nature and extent of any storm damage, and to determine whether repairs are necessary. A 25-year 24-hour rainfall event is the amount of rain received over a 24-hour period as shown in Table 1.

TABLE 1

Probable 24-hour Rainfall Events, In Inches of rain, for counties in Wisconsin

10-year

25-year

Adams

4.1

4.7

Ashland

3.9

4.3

Barron

4.1

4.6

Bayfield

3.9

4.4

Brown

3.7

4.3

Buffalo

4.3

4.8

Burnett

4.0

4.6

Calumet

3.8

4.4

Chippewa

4.1

4.7

Clark

4.1

4.7

Columbia

4.1

4.7

Crawford

4.3

5.0

Dane

4.2

4.8

Dodge

4.0

4.6

Door

3.6

4.1

Douglas

3.9

4.4

Dunn

4.2

4.7

Eau Claire

4.2

4.7

Florence

3.6

4.1

Fond du Lac

3.9

4.5

Forest

3.7

4.2

Grant

4.3

5.0

Green

4.2

4.8

Green Lake

4.0

4.6

Iowa

4.3

4.9

Iron

3.8

4.3

Jackson

4.2

4.8

Jefferson

4.0

4.6

Juneau

4.1

4.7

Kenosha

4.0

4.6

Kewaunee

3.7

4.2

LaCrosse

4.3

4.9

Lafayette

4.3

4.9

Langlade

3.8

4.3

Lincoln

3.9

4.4

Manitowoc

3.8

4.3

Marathon

4.0

4.5

Marinette

3.6

4.1

Marquette

4.1

4.6

Menominee

3.7

4.3

Milwaukee

3.9

4.5

Monroe

4.2

4.8

Oconto

3.7

4.2

Oneida

3.8

4.3

Outagamie

3.8

4.4

Ozaukee

3.9

4.4

Pepin

4.3

4.8

Pierce

4.2

4.8

Polk

4.1

4.7

Portage

4.0

4.5

Price

4.0

4.4

Racine

4.0

4.6

Richland

4.3

4.9

Rock

4.1

4.7

Rusk

4.1

4.6

St. Croix

4.2

4.7

Sauk

4.2

4.8

Sawyer

4.0

4.5

Shawano

3.8

4.4

Sheboygan

3.8

4.4

Taylor

4.1

4.6

Trempealeau

4.3

4.8

Vernon

4.3

4.9

Vilas

3.8

4.3

Walworth

4.1

4.6

Washburn

4.0

4.5

Washington

3.9

4.5

Waukesha

4.0

4.6

Waupaca

3.9

4.5

Waushara

4.0

4.6

Winnebago

3.9

4.5

Wood

4.1

4.6

Note: The data of table 1 were obtained by extrapolation from maps published by the National Weather Service in Technical Paper No. 40, "Rainfall Frequency Atlas of the United States."

(2) INSPECTION REPORT. A county drainage board shall prepare a report summarizing the results of its storm inspection under sub. (1). The report shall identify any significant storm damage identified in the inspection, and shall indicate how the board plans to repair the damage. The county drainage board shall file a copy of its storm inspection report with the department when the county drainage board files its annual report under s. ATCP 48.14.

Disclaimer: These regulations may not be the most recent version. Wisconsin may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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