NR 118.03(44)(44) “Structural alteration” means the replacement or alteration of one or more of the structural components of any of a nonconforming structure’s exterior walls. NR 118.03(45)(45) “Structural component” means any part of the framework of a building or other structure. The structural components of a building’s exterior walls include the vertical studs, top and bottom plates, and window and door sills and headers. A structural component may be non-load-bearing, such as the framework of a wall at the gable end of a one-story house. Wall-coverings, such as siding on the exterior and dry wall on the interior, are not included in the definition of “structural component.” NR 118.03(46)(46) “Structural erosion control measures” means a retaining wall or other man-made structure whose primary function is to control erosion. NR 118.03(47)(47) “Structure” means any man-made object with form, shape and utility, that is constructed or otherwise erected, attached to or permanently or temporarily placed, either upon the ground, a river bed, stream bed or lake bed or upon another structure. For the purposes of this chapter, the term “structure” includes swimming pools, hot tubs, patios, decks and retaining walls, but does not include landscaping or earthwork such as graded areas, filled areas, ditches, berms or earthen terraces. The term “structure” does not include small objects that are easily moved by hand, such as lawn chairs, portable grills, portable picnic tables, bird feeders, birdhouses and birdbaths. NR 118.03(48)(48) “Substandard lot” means a lot with dimensions that do not conform to all of the requirements of the local zoning ordinance. NR 118.03(49)(49) “Transmission services” means electric power lines, telephone and telegraph lines, communication towers, cables, sewage lift stations, sewer and water pipes, and other pipes, conduits and accessory structures that are used to transport power, convey information or transport material between 2 points, other than wireless communication service facilities. NR 118.03(50)(50) “Visually inconspicuous” means difficult to see, or not readily noticeable, in summer months as viewed from at or near the mid-line of the Lower St. Croix river. NR 118.03 NoteNote: Section 23.32 (1), Stats., defines “wetland” to mean “an area where water is at, near, or above the land surface long enough to be capable of supporting aquatic or hydrophytic vegetation and which has soils indicative of wet conditions.” NR 118.03(52)(52) “Wireless communication service facilities” means hardware that provides wireless communication services including antennas, towers, all associated equipment, and buildings and other structures. NR 118.03 HistoryHistory: Cr. Register, June, 1980, No. 294, eff. 7-1-80; renum. (9) to (26) to be (10) to (15), (17) to (27) and (29), cr. (9), (16), (28) and (30), am. (3), (4), (20), (26) and (27), Register, February, 1984, No. 338, eff. 3-1-84; CR 03-054: r. and recr. Register October 2004 No. 586, eff. 11-1-04. NR 118.04NR 118.04 Lower St. Croix riverway management zones. The Lower St. Croix riverway is divided into 5 management zones. Management zones exist without regard to municipal boundaries and may not be changed by annexation or any action other than revision of these rules. The following management zones are established as follows: NR 118.04(1)(a)(a) The river town management zone reflects the character of a small city and contains a mixture of commercial, park and residential developments that reflect the community’s historic character. Dense, intensive development may be present, including utilities, multistory structures and nonresidential buildings. NR 118.04(1)(b)(b) The river town management zone is established in the following locations: NR 118.04(1)(b)1.1. In an area bounded on the north by the north corporate limit of the city of Hudson as it existed on June 1, 2004 and on the south by the south corporate limit of the city of Hudson, as it existed on June 1, 2004. NR 118.04(1)(b)2.2. In an area bounded on the north by the north city limits of Prescott as it existed on January 1, 1976, and on the south by the confluence of the St. Croix and Mississippi rivers. NR 118.04(1)(b)3.3. That portion of the village of Osceola zoned as B-1 in the village zoning ordinance in effect July 1, 2006, located west of the centerline of STH 35 and north of the Wisconsin Central Railroad tracks and identified as blocks #13, #15 and #17 of the original plat of the Village, lots #7 to 11 in block 10 of the original plat of the Village, outlots #119, #120, #124, #125 and #126, and parcel #165-529. NR 118.04(1)(b)4.4. That portion of the city of St. Croix Falls located south of the intersection of River Street and Washington Street, and north of a line parallel to the boundary of Interstate State Park, bounded on the west by the centerline of River Street, and on the east by the centerline of Washington Street. NR 118.04(2)(a)(a) The small town management zone is dominated by large-lot single-family residences. Natural vegetation and landscaped environments are interspersed with residential development. Shoreline areas are a mix of natural vegetation and residential lawns, with some portions being largely undisturbed. NR 118.04(2)(b)(b) The small town management zone is established in the area bounded on the north by the north boundary of sections 13 and 14, Township 29 North, Range 20 West in North Hudson and on the south by the corporate limit between the city of Hudson and village of North Hudson, as it existed on June 1, 2004. NR 118.04(3)(a)(a) The small town historic management zone contains mostly single-family residences and is primarily historic in character. While some residences are newer and there are some commercial buildings that are historic in character, the predominant character of this district is of a late 19th or early 20th century residential area. A combination of man-made features, residential lawns and natural features will be found in this management zone. NR 118.04(3)(b)(b) The small town historic management zone is established in both of the following locations: NR 118.04(3)(b)1.1. Within the city limits of St. Croix Falls as they existed on January 1, 1976, with the exception of that portion of the city designated as river town as described in sub. (1) (b) 4. NR 118.04(3)(b)2.2. Within the village limits of Osceola as they existed on January 1, 1976, with the exception of that portion of the village designated as river town as described in sub. (1) (b) 3. NR 118.04(4)(a)(a) The rural residential management zone is mostly single-family residential on large lots in a low-density rural environment, with little or no commercial development. Most of the district is wooded, with scattered residential structures. Residential lawns are limited near the river’s shore, and the shore area is primarily natural in appearance. NR 118.04(4)(b)(b) The rural residential management zone is established in all of the following locations: NR 118.04(4)(b)1.1. In an area bounded on the north by the Arcola High Bridge and on the south by the north boundary of sections 13 and 14, Township 29 North, Range 20 West in North Hudson. NR 118.04(4)(b)2.2. In an area bounded on the north by the south corporate limit of the city of Hudson, as it existed on June 1, 2004, to the north boundary of Kinnickinnic state park. NR 118.04(4)(b)3.3. In an area bounded on the north by the south boundary of Kinnickinnic state park and on the south by the north city limits of Prescott as they existed on January 1, 1976. NR 118.04(5)(a)(a) The conservation management zone is primarily natural and mostly wooded, with some single-family residential uses. Shoreline areas are natural and do not contain residential lawns. NR 118.04(5)(b)(b) The conservation management zone is established in both of the following locations: NR 118.04(5)(b)1.1. In an area bounded on the north by the south boundary of Wisconsin Interstate state park and on the south by the north village limits of Osceola as they existed on January 1, 1976. NR 118.04(5)(b)2.2. In an area bounded on the north by the south village limits of Osceola as they existed on January 1, 1976, and on the south by the Arcola High Bridge. NR 118.04 HistoryHistory: CR 03-054: cr. Register October 2004 No. 586, eff. 11-1-04; CR 05-084: am. (1) (b) (intro.) and (3) (b) 1. and 2., cr. (1) (b) 3. and 4., Register June 2006 No. 606, eff. 7-1-06. NR 118.05NR 118.05 Land uses and structures in the Lower St. Croix river district. NR 118.05(1)(a)1.1. ‘Permitted uses.’ The following uses are allowed in all management zones if the standards in s. NR 118.06 are met: NR 118.05(1)(a)1.e.e. Public parks, areas devoted to natural resource management and interpretation, waysides, rest areas, information areas and scenic overlooks. NR 118.05(1)(a)2.2. ‘Permitted structures.’ The following structures are allowed in all management zones if the standards in s. NR 118.06 are met: NR 118.05(1)(a)2.b.b. Piers or wharves that have required state and federal permits or that meet statutory criteria or administrative rule standards and do not require a state or federal permit. NR 118.05(1)(a)2.d.d. Structural erosion control measures constructed outside of slope preservation zones. Rock rip-rap may be allowed within a slope preservation zone and in the ordinary high water mark setback area if the local zoning authority determines that rip-rap is necessary to prevent erosion in flood-prone areas, and either a state permit is granted for the rip-rap or statutory criteria or administrative rule standards are met and a state permit is not required for the rip-rap. NR 118.05(1)(b)(b) River town management zone. In the river town management zone, other uses and structures that are allowed by the local unit of government’s underlying zoning ordinance may be allowed as permitted uses and structures provided that the permitted uses and structures are listed in the local zoning ordinance with standards for those uses and structures that satisfy all of the following criteria: NR 118.05(1)(b)1.1. Protect the natural and scenic qualities of the Lower St. Croix riverway. NR 118.05(2)(a)(a) All management zones. The following uses and structures are conditionally permitted uses in all management zones. Conditional use permits for these uses and structures shall comply with the applicable requirements in ss. NR 118.06 and 118.07. NR 118.05(2)(a)6.6. Structural erosion control measures constructed in slope preservation zones. NR 118.05(2)(a)9.9. Public roads and private roads serving 2 or more properties or single-family residences. NR 118.05(2)(b)(b) River town, small town and small town historic management zones. In the river town management zone, small town management zone and small town historic management zone, other uses and structures that are listed as conditional uses or special exceptions in the local unit of government’s underlying zoning ordinance may be allowed as conditional uses provided that they are listed in the local unit of government’s riverway ordinance with standards for those conditional uses that satisfy all of the following criteria: NR 118.05(2)(b)1.1. Protect the natural and scenic qualities of the Lower St. Croix riverway. NR 118.05(3)(3) Prohibited uses. All uses and structures not listed as permitted or conditional shall be prohibited. NR 118.05 HistoryHistory: Cr. Register, June, 1980, No. 294, eff. 7-1-80; am. Register, February, 1984, No. 338, eff. 3-1-84; am. (2) (a) (intro.) and 5., (b) (intro.) and (c) (intro.), Register, August, 1986, No. 368, eff. 9-1-86; CR 03-054: r. and recr. Register October 2004 No. 586, eff. 11-1-04. NR 118.06(1)(a)(a) Minimum lot size. The minimum lot size for parcels that are allowed to be used as building sites in each management zone shall be as follows: NR 118.06(1)(a)1.1. In the river town, small town and small town historic management zones, the minimum lot size shall be established in the local riverway ordinance. NR 118.06(1)(a)2.2. In the rural residential and conservation management zones, the minimum lot size shall meet the following standards: NR 118.06(1)(a)2.b.b. If the lot is not served by a public sewage system or community sewage collection and treatment services, the lot shall have adequate room for one single-family residence and 2 private on-site wastewater treatment systems. NR 118.06(1)(b)(b) Density standard. In the rural residential and conservation management zones, there may not be more than one single-family residence on each lot. NR 118.06(1)(c)(c) Minimum lot width. The minimum lot width shall apply at the building line and at the side of the lot nearest the river. The minimum lot width for each management zone shall be as follows: NR 118.06(1)(c)1.1. In the river town and small town management zones, the minimum lot width shall be established by local ordinance. NR 118.06(1)(c)2.2. In the small town historic management zone, the minimum lot width shall be 100 feet.
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