Environmental Rules in Ashwaubenon, WI (2026)
5 verified environmental rules for Ashwaubenon, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Ashwaubenon requires a post-construction stormwater permit under Section 5-9-771 before any non-exempt land disturbing project can proceed. The rules cap peak runoff from post-development sites at pre-development rates for the 1-, 2-, 10- and 100-year storms and require best management practices that hold pollutant loads down long after construction ends, enforced by the director of public works with $100 to $1,000 forfeitures.
Post-Construction Stormwater Management Rules (Ashwaubenon, WI)
Some RestrictionsAshwaubenon Municipal Code §§ 5-9-771(g)(3)(b)(i)(1), (h)(1) & (m)(9)
(1) The peak post-development discharge rate shall not exceed the peak pre-development discharge rate for the 1-year, 2-year, 10-year, and 100-year, 24-hour design storms. These peak discharge requirements apply to new development and redevelopment areas. ... (1) Permit required. No responsible party may undertake a land disturbing construction activity without receiving a post-construction run...
Erosion Control
The Village of Ashwaubenon regulates erosion and sediment control on every construction site under Section 5-9-770, adopted under Wis. Stat. Section 61.354. Any project disturbing 4,000 square feet or more of land needs a permit and an approved erosion control plan from the director of public works before work starts, and violators face a $100 to $1,000 forfeiture per day.
Construction Site Erosion Control Rules (Ashwaubenon, WI)
Some RestrictionsAshwaubenon Municipal Code §§ 5-9-770(d)(1)(a)(i), (g)(2)(c)(ii)(1) & (l)(6)
(i) A permit is required for a construction site with 4,000 square feet or greater of land disturbing construction activity. ... (1) BMP's that, by design, discharge no more than 5 tons per acre per year, or to the maximum extent practicable, of the sediment load carried in runoff from initial grading to final stabilization. ... (6) Any person violating any of the provisions of this ordinance ...
Flood Zones
The Village of Ashwaubenon Floodplain Zoning Ordinance is Chapter 14 of the Municipal Code, adopted under Wis. Stat. Sec. 61.35, Sec. 62.23, and Sec. 87.30, in conformance with Wis. Admin. Code Ch. NR 116 and 44 CFR 59-72. Sec. 14-1-7 establishes the Floodway District (FW), Floodfringe District (FF), and General Floodplain District (GFP) corresponding to A, AE, AH, and AO zones on the FEMA FIRM. Official maps cited in Sec. 14-1-6(B)(1) include Brown County FIRM panels 55009C0168G, 0254G, 0256G, and 0258G dated May 9, 2023, plus panels 55009C0144G, 0163F, 0164F, 0234F, 0251F, 0252F, and 0253F dated August 18, 2009, with the Brown County Flood Insurance Study (FIS) volumes 55009CV001C-CV004C dated May 9, 2023. Sec. 14-1-5 sets the Flood Protection Elevation at 2 feet of freeboard above the Regional Flood Elevation. Floodplain permits are administered by the Community Development Department.
Flood Zone Regulations (Ashwaubenon, WI)
Heavy RestrictionsVillage of Ashwaubenon Code, ch. 14-1-6 (Floodplain - General Provisions / Areas to be Regulated)
14-1-6 General Provisions. (A) Areas to be Regulated. This ordinance regulates all areas of special flood hazard identified as zones A, AO, AH, A1-30, or AE on the Flood Insurance Rate Map. Additional areas identified on maps approved by the Department of Natural Resources (DNR) and Village may also be regulated under the provisions of this ordinance, where applicable. (B) Official Maps & Revis...
Boat Dock Permits
In the Village of Ashwaubenon's shoreland-wetland zoning district, most new development needs a permit from the Zoning Administrator, but Municipal Code Section 23-1-302(A)(2)(e) specifically exempts piers, docks, walkways and trail bridges built on pilings from that local permit, so long as no wetland alteration occurs. Builders still answer to state law: Wisconsin Statutes chapters 30 and 31 govern construction over navigable waters regardless of the local exemption.
Boat Dock and Pier Permit Rules in Ashwaubenon, WI
Few RestrictionsAshwaubenon Municipal Code §§ 23-1-202(A), 23-1-302(A)(2)(e)
23-1-202 Administrative Procedures (A) Shoreland-Wetland Permit. Unless another section of this chapter specifically exempts certain types of development from this requirement, a shoreland-wetland permit shall be obtained from the Zoning Administrator before any development, as defined in Section 23-1-107, including any change in the use of an existing building or structure within the shoreland...
Flood Elevation Requirements
The Village of Ashwaubenon requires two feet of freeboard above the regional flood elevation on any new home, manufactured home, or substantially improved residential structure built in the floodfringe. That two-foot buffer is the flood protection elevation, and the lowest floor, plus at least a foot of surrounding fill extending 15 feet out, must sit at or above it before a floodplain permit can issue.
Flood Elevation & Freeboard Rules (Ashwaubenon, WI)
Some RestrictionsAshwaubenon Municipal Code §§ 14-1-5, 14-4-3(A)(1)
Flood Protection Elevation - An elevation of two feet of freeboard above the Regional Flood Elevation. ... (1) All new construction, including placement of manufactured homes, and substantial improvement of residential structures, shall have the lowest floor elevated to or above the flood protection elevation on fill. The fill around the structure shall be one foot or more above the regional fl...
Looking for Brown County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Ashwaubenon city rules.
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