- See PDF for table

ATCP 48.16 Note 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.”

ATCP 48.16(2) (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.

ATCP 48.16 History History: Cr. Register, June, 1995, No. 474, eff. 7-1-95.

ATCP 48.18 ATCP 48.18 Department review and action.

ATCP 48.18(1) (1) The department shall review inspection reports submitted by county drainage boards under this subchapter.

ATCP 48.18(2) (2) The department may do any of the following which the department considers necessary:

ATCP 48.18(2)(a) (a) Inspect and copy county drainage board records, or issue an order under s. ATCP 48.52 requiring a county drainage board to file with the department a copy of any record or report required under this chapter.

ATCP 48.18(2)(b) (b) Conduct inspections or other investigations to verify the findings made or reported by a county drainage board.

ATCP 48.18(2)(c) (c) Issue an order under s. ATCP 48.52 requiring a county drainage board to file a specific maintenance or repair plan. As part of the maintenance or repair plan, the department may require the county drainage board to include engineering specifications, specifications for the deposition of dredged materials, a financing plan and other relevant information.

ATCP 48.18(2)(d) (d) Issue an order under s. ATCP 48.52 which prohibits the construction or alteration of a district drain or corridor if the construction or alteration violates this chapter.

ATCP 48.18(2)(e) (e) Issue an order under s. ATCP 48.52 which requires a county drainage board to comply with applicable requirements under this chapter.

ATCP 48.18 History History: Cr. Register, June, 1995, No. 474, eff. 7-1-95.

subch. IV of ch. ATCP 48 Subchapter IV — District Map, Drains and Corridors

ATCP 48.20 ATCP 48.20 Drainage district specifications.

ATCP 48.20(1) (1) Specifications required. By December 31, 2000, every county drainage board shall adopt complete specifications for each drainage district under that board’s jurisdiction. The department shall approve the specifications before the county drainage board adopts them. The specifications shall include all of the following:

ATCP 48.20(1)(a) (a) A map which clearly and accurately shows all of the following:

ATCP 48.20(1)(a)1. 1. The boundaries of the drainage district, as last confirmed by the circuit court or as last revised by the county drainage board under ss. 88.77 to 88.80, Stats.

ATCP 48.20 Note Note: If the existing boundary of a drainage district is not clearly documented by a circuit court order, or by a county drainage board order under ss. 88.77 to 88.80, Stats., the county drainage board should clarify that boundary by appropriate procedures under ss. 88.77 to 88.80, Stats. See s. ATCP 48.21 (1).

ATCP 48.20(1)(a)2. 2. The intended alignment and extent of every district drain. If private drains are connected to district drains, the map shall clearly identify which drains, or portions of drains, are district drains.

ATCP 48.20(1)(a)3. 3. The intended location and width of every district corridor required under s. ATCP 48.24.

ATCP 48.20(1)(b) (b) The intended cross-section of every district drain. Each vertical section in the cross-section of a district ditch shall include all of the following elements:

ATCP 48.20(1)(b)1. 1. The intended top and bottom width of the ditch.

ATCP 48.20(1)(b)2. 2. The intended depth of the ditch.

ATCP 48.20(1)(b)3. 3. The intended side slope angle of the ditch.

ATCP 48.20(1)(b)4. 4. Any drainage structures intersected by that vertical section.

ATCP 48.20 Note Note: The vertical sections comprising the cross-section of a district drain should normally be taken at intervals of not more than 1/3 mile along the entire length of the drain, and at points where structures or changes in drain slope occur.

ATCP 48.20(1)(c) (c) The grade profile of every district drain. The grade profile of a district ditch shall include all of the following elements:

ATCP 48.20(1)(c)1. 1. The intended grade elevations of the top and bottom of the ditch.