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Environmental Rules in Mosinee, WI (2026)

4 verified environmental rules for Mosinee, Wisconsin, sourced directly from the municipal code and official government pages.

Verified from official government sources

Stormwater Management

Mosinee regulates non-stormwater discharges into its municipal storm sewer system under Code of Ordinances Sec. 68-31, adopted to comply with its WPDES permit from the Wisconsin DNR. Section 68-41 bans illegal discharges and illicit connections, and violators face a forfeiture of $100 to $5,000 per violation, with each day counted separately.

Mosinee Stormwater Illicit Discharge Rules

Significant Restrictions

Mosinee Code of Ordinances §§ 68-31, 68-41(a), 68-78

The purpose of this article is to provide for the health, safety, and general welfare of the citizens of the City of Mosinee through the regulation of non-stormwater discharges to the storm drainage system to the maximum extent practicable as required by federal and state law. ... No person shall discharge or cause to be discharged into the municipal storm drain system or waters of the state an...

Erosion Control

City of Mosinee requires a permit and city-approved erosion and sediment control plan before any land-disturbing construction activity begins under Chapter 68, Article III. The director of public works reviews applications within 30 days, and violators face forfeitures of $100 to $5,000 per day of violation. The rule applies citywide and to the city's extraterritorial plat-approval jurisdiction.

Mosinee Erosion & Sediment Control Permit

Some Restrictions

Mosinee Code of Ordinances §§ 68-151, 68-311, 68-383(f)

The intent of this article is to require use of best management practices to reduce the amount of sediment and other pollutants resulting from land-disturbing construction activities on sites that do not include the construction of a building and is otherwise regulated by the Wisconsin Department of Commerce in Wis. Adm. Code § Comm 21.125 or 50.115. ... No responsible party may commence a land...

Flood Zones

The City of Mosinee's floodplain zoning article, adopted under Wis. Stats. §§ 61.35, 62.23 and 87.30, requires every development in a mapped floodplain to be reviewed for flood safety before a permit issues. Sec. 42-1162 demands flood-resistant construction and equipment placement, and the zoning administrator must deny a permit that would raise the regional flood height by 0.01 foot or more.

Mosinee Floodplain Development Standards

Significant Restrictions

Mosinee Code of Ordinances §§ 42-1151, 42-1162

This article for floodplain protection is adopted pursuant to the authorization contained in Wis. Stats. §§ 61.35, 62.23 and 87.30. ... The community shall review all permit applications to determine whether proposed building sites will be reasonably safe from flooding. If a proposed building site is in a flood-prone area, all new construction and substantial improvements shall be designed or m...

Flood Elevation Requirements

The City of Mosinee requires new construction in the flood fringe to sit at or above the flood protection elevation: two feet of freeboard above the regional (100-year) flood. Fill must extend at least 15 feet beyond the structure.

Mosinee Flood Protection Elevation Rule

Some Restrictions

Mosinee Code of Ordinances §§ 42-1154, 42-1259(b)(1)

Flood protection elevation means an elevation that corresponds to a point two feet of freeboard above the water surface profile associated with the regional flood. (Also see Freeboard.) ... The elevation of the lowest floor, excluding the basement or crawlway, shall be at or above the flood protection elevation on fill. The fill shall be one foot or more above the regional flood elevation exten...

Looking for Marathon County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Mosinee city rules.

Environmental Rules in Marathon County