Environmental Rules in Minnetonka, MN (2026)
5 verified environmental rules for Minnetonka, Minnesota, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
In the City of Minnetonka, Minnesota (Hennepin County), Minnetonka City Code § 1205.015 bars any person from discharging pollutants into the city's municipal separate storm sewer system (MS4) other than storm water, and prohibits illicit connections, including old ones. The city engineer approves fixes and any blocking of storm flow.
Minnetonka MN Stormwater Discharge and Connection Rules
Some RestrictionsMinnetonka City Code § 1205.015
2. Illicit discharge prohibition. No person shall throw, drain, or otherwise discharge, cause, or allow others under its control to throw, drain, or otherwise discharge into the MS4 any pollutants or waters containing pollutants, other than storm water. 3. Exemptions. The following discharges are exempt from discharge prohibitions established by this section: ... 4. Prohibition of illicit conne...
Erosion Control
In the City of Minnetonka, Minnesota (Hennepin County), the Minnetonka City Council requires a grading and erosion control plan for land-disturbing work, and section 300.28 subdivision 17 sets the field rules: exposed soil stabilized after 14 days without work, storm drain inlets protected, weekly inspections, and sediment removed at 1/3 of designed capacity.
Minnetonka Grading and Erosion Control Standards
Some RestrictionsMinnetonka City Code § 300.28
a) All plans must be consistent with the Minnesota Pollution Control Agency's construction general permit as applicable. b) Except as otherwise provided by the city planner, a grading and erosion control plan and the work conducted under an approved plan must comply with all of the following requirements as applicable: 1) The work must be scheduled so as to minimize the amount of soil exposed a...
Flood Zones
In the City of Minnetonka, Hennepin County, Minnesota, Section 300.24 of the City Code regulates development in flood hazard areas as an overlay on the base zoning district. Fill is capped at 1,000 square feet or 20 cubic yards for permitted uses, and anything larger needs a conditional use permit or an alteration permit.
Minnetonka MN Floodplain District Development Rules
Significant RestrictionsMinnetonka City Code § 300.24
a) Land may be used in the FEMA floodplain and Additional floodplain, only for one or more of the following uses, if it does not result in net fill of the floodplain, does not involve placement of a structure in the floodway, does not involve excavation or fill of an area greater than 1,000 square feet, does not involve a volume of excavation, fill or other obstruction greater than 20 cubic yar...
Boat Dock Permits
In the City of Minnetonka, Hennepin County, Minnesota, Section 300.25 of the City Code permits docks, boat lifts and mooring structures at the shoreline, caps dock width at 8 feet without a Minnesota DNR permit, and limits controlled access lots to six watercraft.
Minnetonka MN Boat Dock Rules in the Shoreland District
Some RestrictionsMinnetonka City Code § 300.25
At or below the ordinary high water level, and within shore and bluff impact zones, no land may be used except for one or more of the following uses: ... h) docks no wider than 8 feet unless a permit is obtained from the Minnesota department of natural resources, boat lifts and mooring structures; ... 4) The maximum number of watercraft docking or mooring at any controlled access lot is limited...
Flood Elevation Requirements
In the City of Minnetonka, Hennepin County, Minnesota, new principal structures, attached garages and additions near a floodplain need a lowest floor at least two feet above the designated 100-year flood elevation and a 20 foot upland setback, under Section 300.24 of the City Code.
Minnetonka MN Flood Elevation Requirements for Buildings
Some RestrictionsMinnetonka City Code § 300.24
h) new principal structures, attached garages, or additions to existing structures must be set back a minimum of 20 feet upland from the edge of the floodplain district and have a minimum lowest floor elevation not less than two feet above the designated 100-year flood elevation. Any addition above the first floor will be exempt from this setback requirement. ... t) the 100-year flood elevation...
Looking for Hennepin County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Minnetonka city rules.
Environmental Rules in Hennepin County →