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Best Practices

On the Best Practices for Lake Water Quality page, you can easily filter guidance based on your specific needs and activities. Simply browse by category — Shoreline Care, Responsible Boating, Septic & Sewer, and Agriculture and Rural — to find targeted actions that help protect and improve lake health. Whether you live on the shoreline, enjoy time on the water, manage a septic system, or operate rural or agricultural land, these filters make it simple to access practical steps that support clean, healthy lakes.

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​Clean Boats Clean Waters

3/10/2026

 
[Shared from Michigan State University Website]
Boaters and anglers are a major source of aquatic invasive species introduction in Michigan. Do your part to prevent their spread by cleaning, draining, drying and disposing every time you leave the water.  ​
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[Shared from Michigan State University Website]

Stop Aquatic Invasive Species

CLEAN boats, trailers and equipment and remove all mud, debris and aquatic plant material from trailers and watercraft before launching or retrieving a watercraft. Use a hose or power washer when available.
DRAIN live wells, bilges, ballast tanks, and all water from boats before leaving the access site. Consider disinfecting live wells and bilges with a bleach solution (1/2 cup bleach to 5 gallons of water) when possible. Fish diseases and microscopic life stages of aquatic invasive species can be hiding in seemingly clean water, so draining is an important step.
DRY all boats and equipment thoroughly before leaving an access area and prior to relaunching in a new waterbody.
DISPOSE of bait in the trash. Do not release bait into the water. Release of bait and minnows can lead to the unintended introduction of diseases and aquatic invasive species.
DO NOT TRANSFER FISH to water bodies other than where they were caught. This helps prevent the spread of both aquatic invasive species and fish diseases.

IT’S THE LAW
​

DO NOT launch or transport watercraft or trailers unless they are free of aquatic organisms, including plants.

DO NOT transport a watercraft without removing all drain plugs and draining all water from bilges, ballast tanks, and live wells.
DO NOT release bait into the water.
Violation of the law is a state civil infraction. Violators may be subject to fines. Learn more on aquatic invasive species in Marble-Coldwater Chain of Lakes here.
Download the Brochure

​Calling All Water Sporters to Be Wake Wise

2/4/2026

 
Wake boats are not the only type of boat that can cause damage.  All motorized vessels create wakes and propeller wash that can cause shoreline erosion, impact the lakebed, damage property, and disturb other boaters. Boaters are responsible for the damage and injuries their wake may cause and should follow these Michigan State regulations.

In Michigan, "slow, no wake speed" is defined as the slowest speed at which a vessel can still maintain steering. You must operate at a slow, no-wake speed within 100 feet of the following: 
  • The shoreline, if in water less than three feet deep
  • Any dock, pier, or raft
  • Any moored or anchored vessel
  • Any marked swimming area or person in the water 
Key details for specific watercraft
  • Personal Watercraft (PWC): When operating a PWC, there are additional restrictions. You must stay at least 200 feet from a  shoreline unless you are traveling at a slow, no-wake speed and moving perpendicularly to the shoreline. PWC operators also cannot cross within 150 feet behind another vessel (except another PWC) moving faster than a slow, no-wake speed.
  • Water sports: A vessel or the person being towed (e.g., water skier) must maintain a distance of 100 feet from the shoreline, docks, and other vessels.​

Wake Boats Should Stay in Deeper Waters

2/4/2026

 
Wake Boat activity has increased substantially in recent years.  While the challenges and excitement of the sport are undeniable, they do produce large wakes which can have harmful side effects to our lakes.

Large wakes erode the shoreline and stir up bottom sediment which introduces phosphorus back into the water column.  Phosphorus can cause algae blooms.  Sediment hinders water clarity, can clog fish gills and suffocate fish eggs.  View the video  revealing adversarial impact from wake boats on lakes below. 

To adhere to the State of Michigan Department of Natural Resources recommendations please stay at least 500’ from shore, and in water more than 15 feet deep. Your help in both upholding these guidelines and spreading the word will go a long way towards maintaining the health of our lake.
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Marble-Coldwater Clean Water Partnership
P..O. Box 22
Quincy, MI  49082
[email protected]

  • Home
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  • Get Involved
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    • Volunteer
  • ​All Eyes On the Water
  • Watershed Management
    • Watershed Management Plan
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  • Best Practices
  • News
  • Donate
    • Donate
    • Become A Sponsor
    • In Kind Support
    • Pledge a Cash Match for Grant Applications
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    • Join Our Email List
    • FAQ
  • Contact