Can You Move a Boat Lift or Dock to a Different Lake?

Yes. In Minnesota and North Dakota, though, a boat lift or dock taken out of one lake cannot go into another until it has been out of the water for at least 21 days. Minnesota puts this in statute, Minn. Stat. 84D.10, subdivision 4(f): "A boat lift, dock, swim raft, or associated equipment that has been removed from any water body may not be placed in another water body until a minimum of 21 days have passed." North Dakota added the same 21-day requirement in 2022. Other states differ, and no agency page sets them side by side, so this page does.

It comes up most when someone buys a used lift from a different lake or takes a lift along when they move. This covers six upper Midwest states and is general information, not legal advice.

The rule by state

The table separates law from advice, because the agency pages do.

Moving a dock or boat lift to another water body, by state (from each state's own statute or agency page)

State	Waiting period for docks and lifts	Law or advice	Other rules that bite
Minnesota	Minimum of 21 days after removal before placing in another water body	Law: Minn. Stat. 84D.10 subd. 4(f)	Zebra mussels are a prohibited invasive species, and transporting them is illegal (84D.05). Businesses that install or remove lifts for hire need a service provider permit (84D.108)
North Dakota	Dried and out of the water at least 21 days before placing in another water	Requirement, added in 2022	The Game and Fish rule names docks, lifts and related equipment
South Dakota	Dry at least 21 days before transport or sale	Advice: "It is recommended"	Possessing or transporting invasive species is illegal. A dock or lift with zebra mussels attached may be relaunched into the same water body after shoreline or marina storage, or transported for decontamination
Wisconsin	None specific to docks or lifts. For boats and equipment entering another water body, one of three: high-pressure hot water, a ~500 ppm bleach spray for 10 minutes, or dry at least 5 days	Law: inspect, remove plants and animals, drain. The three options are listed separately from the steps the page labels "required by law"	State law prohibits transporting aquatic plants, live animals and water from a water body
Michigan	None specific to docks or lifts. Dry boats and equipment for 5 days	Advice: listed as "Recommended"	Law: no launching or transporting a watercraft or trailer unless free of aquatic organisms; drain plugs out
Iowa	None specific to docks or lifts. Dry boat and equipment at least 5 days	Advice	Law: illegal to possess or transport aquatic invasive species or transport aquatic plants on water-related equipment; drain water before leaving an access

Two points follow. The 21-day number is a dock and lift rule, not a boat rule. And a state with no waiting period is not a state with no rules: in Minnesota, South Dakota, Wisconsin and Iowa, transporting invasive species or live aquatic animals is itself illegal, so a lift that arrives with live mussels on it breaks the law even where no clock applies.

Why 21 days and not 5: the mussel biology

The 5-day and 21-day figures come from the same animal in different conditions. The Minnesota DNR: adult zebra mussels "can survive out of water, less than five days in dry conditions, but up to 21 days in very wet conditions (such as inside dock/lift pipes)." Wisconsin's DNR says adults "can survive outside of water for several days in moist conditions."

A boat hull dries in sun and wind. A lift does not: legs and cross tubes are hollow sections that hold water, and the inside of a tube on a shaded shoreline stays wet long after the outside looks dry. That wet interior is where the DNR places the 21-day survival figure, and it matches the longer period Minnesota wrote for docks and lifts.

The other half of the biology is why a single moved lift matters. Per the Minnesota DNR, adults are "typically fingernail-sized" and attach to hard surfaces with byssal threads. A female "can produce 100,000 to 500,000 eggs per year," and the larvae, called veligers, are microscopic and free-living for "two to three weeks" before they settle. A lift full of shells carried into an uninfested lake is a population, not a few hitchhikers. The mats are also a maintenance problem, covered in boat lift cleaning.

The DNR's number is "up to 21 days," the upper end of what it reports. A lift that cannot drain, sits in shade, or is wrapped in a tarp is closer to that case than one stood on end in the sun.

The two confusions, settled

"You need a permit to move a lift in Minnesota"

You do not. 84D.10 requires 21 days, not a permit. The permit people half-remember is the service provider permit in Minn. Stat. 84D.108, which binds businesses, not owners. Section 84D.01 defines a service provider as someone who "decontaminates, installs, or removes water-related equipment or structures into or from waters of the state for hire," or who rents such equipment, and "water-related equipment" includes a dock and a boat lift. Those businesses must complete DNR invasive species training, pass an exam, and carry a permit valid for three calendar years. So a crew you pay to pull or set a lift in Minnesota should hold that permit; asking to see it is reasonable.

"Just dry it for five days"

Five days is the boat and equipment drying advice in Wisconsin, Michigan and Iowa, and the Minnesota DNR's survival figure "in dry conditions." It is not the rule for a lift entering a Minnesota or North Dakota lake, and a lift is the "very wet conditions" case. If unsure, wait 21 days: it satisfies every state in the table.

Moving your own lift to another lake: the sequence

1. Pull it and write down the date. The clock starts when the lift leaves the water, not when you buy or haul it. Removal methods are in seasonal lift removal.
2. Clean it at the source lake. Scrape mussels and plants off on the property they came from. Minnesota's 84D.05 bans transporting a prohibited invasive species outside its listed exceptions, so hauling a lift crusted with live mussels is a problem before you reach the second lake.
3. Drain every tube and store it in sun and air, tipped so the legs and cross members empty, off wet ground and untarped, for at least 21 days.
4. Inspect before it goes in: tube ends, weld seams and leg pads, for shells and plant fragments.
5. Install and level at the new site. A lift set up for one lake is rarely right for another: check depth with the water depth calculator and the bottom with lake bottom conditions.

Buying a used lift from another lake: what changes

The checks in buying a used boat lift still decide whether the lift is worth owning. These add the invasive species layer:

• Ask which lake it came from and when it came out. Get the removal date in writing; a lift still in the water starts the clock the day it is pulled.
• Ask whether the source lake is listed as infested. If it is, assume mussels on and inside the frame and budget time to clean it at the seller's site.
• Do not haul a lift with live shells on it the same day. South Dakota's allowance for moving a dock or lift with invasive species attached is for decontamination, by the owner or a business Game, Fish and Parks has approved.
• Budget for wear parts you would replace anyway. Bunk carpet holds shell fragments that scratch a hull, so new bunk boards remove a hiding place too. Cables are usually replaced on a used lift anyway (cable replacement).
• Price the wait. Three weeks of lost season, or paying an installer twice, is a cost.

Floating lifts, PWC lifts and docks

The Minnesota statute names lifts and docks without distinguishing type, and North Dakota's rule covers "all docks, lifts and related equipment," so the 21 days applies to a floating lift, a PWC lift and a sectional dock as much as to a free-standing lift. Floating lifts have tanks and chambers that can hold water; drain every one the manufacturer lets you open.

Moving a lift within the same lake is different. Minnesota's waiting period applies to "another water body," and South Dakota allows a dock or lift with mussels attached back into its own water body after shoreline or marina storage. Seasonal removal and reinstall on the same lake carries no waiting period under these rules.

Where this answer stops applying

• Other states. Only the six above are covered. Elsewhere, check your state agency's invasive species page; absent a rule, 21 days is a sensible default.
• Infested-water orders. Minnesota conservation officers can order equipment removed from infested waters and decontaminated (84D.10 subd. 3). A specific order overrides the general timeline.
• Installation permits. Whether the new site needs an installation permit is a separate question, covered in boat lift permits.
• Changes. North Dakota's rule dates from 2022 and the Minnesota text is from the 2025 statutes. Check the current text before a move.

Frequently asked questions

How long does a boat lift have to be out of the water before moving it to another lake?

In Minnesota and North Dakota, at least 21 days. South Dakota recommends 21 days before transport or sale. Wisconsin, Michigan and Iowa set no dock-specific period on their agency pages and advise drying boats and equipment for 5 days. Waiting 21 days satisfies all of them.

Do I need a permit to move my boat lift in Minnesota?

No. An owner moving their own lift needs no permit, but must keep it out of the water for 21 days before placing it in another water body. The permit in Minn. Stat. 84D.108 applies to service providers, businesses that install, remove or decontaminate docks and lifts for hire, who must pass DNR training and carry a permit valid for three years.

Why is the dock and lift rule 21 days when boats only need 5?

Because lifts stay wet inside. The Minnesota DNR says adult zebra mussels survive less than five days in dry conditions but up to 21 days in very wet conditions, naming the inside of dock and lift pipes. The hollow legs and tubes of a lift dry far slower than a hull.

Can I put my lift back in the same lake after winter storage?

Yes. Minnesota's 21-day rule applies only when equipment goes into another water body, and South Dakota expressly allows a dock or lift with zebra mussels attached to return to the same water body after storage on the owner's shoreline or at a marina.

Sources and further reading

• Minnesota Statutes (2025), Section 84D.10, Launching prohibited, subdivisions 3 and 4(f) (https://www.revisor.mn.gov/statutes/cite/84D.10)
• Minnesota Statutes (2025), Section 84D.108, Service provider permit (https://www.revisor.mn.gov/statutes/cite/84D.108)
• Minnesota Statutes (2025), Section 84D.01, Definitions, subdivisions 15a and 18a (https://www.revisor.mn.gov/statutes/cite/84D.01)
• Minnesota Statutes (2025), Section 84D.05, Prohibited invasive species (https://www.revisor.mn.gov/statutes/cite/84D.05), and Minn. R. 6216.0250, prohibited invasive species list (https://www.revisor.mn.gov/rules/6216.0250/)
• Minnesota DNR, Zebra mussel (https://www.dnr.state.mn.us/invasives/aquaticanimals/zebramussel/index.html)
• North Dakota Game and Fish, If I plan to move a boat dock or lift, what do I need to know? (https://gf.nd.gov/node/7229)
• South Dakota Game, Fish and Parks, Aquatic Invasive Species, lakeshore toolkit (https://gfp.sd.gov/ais-lakeshore/)
• Wisconsin DNR, Zebra mussel (Dreissena polymorpha) (https://dnr.wisconsin.gov/topic/Invasives/fact/Zebra)
• Michigan fishing regulations, Aquatic invasive species, eRegulations (https://www.eregulations.com/michigan/fishing/aquatic-invasive-species)
• Iowa DNR, Zebra mussels found in Saylorville Lake, news release, November 6, 2024 (https://www.iowadnr.gov/news-release/2024-11-06/zebra-mussels-found-saylorville-lake)