City of Chanhassen Draft of New “No Wake” Rules for LMPA Input


The link above leads to a draft of the revised slow-no wake ordinance that would encompass Lake Riley and Lake Minnewashta. The strikethrough amounts to deleted language from existing code. The writing in red amounts to newly proposed language or relocated language to remove redundancies. Everything else is existing language to remain. LMPA members are asked to read through the changes and email their comments to Terry Jeffrey at so he can share with and address them to the Chanhassen city council.

Terry Jeffery | Water Resources Coordinator
City of Chanhassen | Engineering Department
7700 Market Boulevard | Chanhassen, MN 55317
DESK 952.227.1168 | MAIN 952.227.1160

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Recap of the 2016 LMPA Annual Meeting

About 30 hardy souls braved the brisk October weather to attend the LMPA Annual Meeting on 10/27. We welcomed several new neighbors and got reacquainted with many friends as our board president shared a stirring presentation on the state and health of the LMPA and, more importantly, the health of Lake Minnewashta. We welcomed Terry Jeffery from the City of Chanhassen as a special speaker. Terry described what the city has been doing to reduce untreated storm water runoff into the lake, an action that we hope will reduce the clarity and algae problems we have been suffering.

In the end, we ask everyone to do your part to help us meet our mission to keep Lake Minnewashta beautiful and to preserve its water quality and prevent the spread of invasive species.

1. Use a Permitted Lake Service Provider when working on your shore
2. Don’t move a mussel from infested lakes via watercraft, toys or lifts
3. Clean Drain and Dry your boat before and after launching
4. Plant a shoreline buffer strip and use available grant money to help
5. Keep debris out of the storm drains, especially leaves
6. Register your email address by clicking HERE
7. Volunteer for a committee, neighborhood captain or the board
8. Make a tax-deductible donation by mailing a check to LMPA, PO Box 304 Excelsior, MN 55331

For a copy of the presentation, click lake-minnewashta-preservation-association-annual-meeting

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This is a reminder that the Lake Minnewashta Preservation Association’s Annual Meeting is being held this Thursday, October 27th at 7PM at the Faith Lutheran Church on the corner of Minnewashta Parkway and Highway 5.

This past year has been a busy one for the LMPA, dealing with aquatic invasive species, the closing of the Minnewashta Regional Park beach due to E coli, and the discovery of zebra mussels in the lake.

Please attend the meeting so we can update you on everything the LMPA has been doing on your behalf to help preserve the quality of the lake. There will also be ideas and discussions about what you as homeowners can do to help maintain and improve the quality of the lake.

Light refreshments will be served. For more information, contact Helen Gunther at We hope to see many of you there this Thursday evening.

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Camp Tanadoona Volunteer Day 10/22

The Tanadoona Volunteer Day had to be rescheduled due to rainy weather. The new date is Saturday, October 22nd. More details including registration info can be found on their website: Click Here

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Chanhassen Parks and Recreation Needs Your Input : Take These Surveys to Provide It

Here’s a recent message from Todd Hoffman, the City of Chanhassen’s Park and Recreation Director

To Members of the Chanhassen Community:

We value your contributions to the City of Chanhassen, and we’d like to specifically ask for your input on the future of the city’s parks and recreation. Chanhassen is in the process of developing its Parks and Recreation System Plan; a long-range (10-25 years) vision and guide for investment in parks, recreation, natural areas, and trails. To ensure our plan includes actions that meet present and future community needs, we need to hear from you! There will be multiple in-person and online opportunities to share your thoughts throughout this year-long process. We want to hear from YOU! Help us by taking our three surveys below to give us your input regarding issues, opportunities, desires, and values for the future of Chanhassen’s park and recreation system. For more information and to access the surveys, Click Here

Please Take Our Surveys Below:
General Parks and Recreation Questionnaire: Click here to take this survey

Recreation Center Questionnaire: Click here to take this survey

Senior Center Questionnaire: Click here to take this survey

Social Pinpoint Map
Use this interactive website to explore a map of the city’s parks and trails and to provide comments on specific locations in the city where there are missing facilities, trail gaps, or things you really like.

Social Pinpoint Map: Click here to access the Social Pinpoint map

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Our 2016 Lake Story

Invasive weed treatments – Curly Leaf Pondweed and Eurasian Water Milfoil:
For many years, Lake Minnewashta has been infested with non-native, invasive weeds – Curly Leaf Pondweed (CLP) and Eurasian Water Milfoil (EWM). They affect the enjoyment of the lake by clogging propellers, affecting the water clarity and making our lake uninviting for fishing, skiing, tubing and swimming. With approval from the Minnesota Department of Natural Resources (DNR), we do our best to eliminate invasive weeds in the commonly-used areas of our lake, further out from shore than residents are allowed to treat. Our efforts in the last few years have been to treat the CLP early, since it grows and dies early in the season. This is followed by two doses of aquacide to treat the EWM, using the natural lake currents to spread the aquacide. Our results continue to be good with lower weed levels reported after treatment again this year.
In 2017, we will continue our efforts at attacking the Curly Leaf and Milfoil. However, we will not commit to treatment unless we have the money in hand before treatment. We currently do not.

Aquatic Invasive Species (AIS) Prevention: Over the years, the LMPA has spent thousands of dollars educating lake users on their personal responsibility to prevent the spread of AIS by not transporting weeds, mussels or even water from one lake to another. Still, statewide, over 25% of lake users fail to follow the laws. We are fortunate to have strong partners in Carver Park, the Carver County Commissioners and the Watershed District, all of whom are working to prevent new Invasive Species from entering the Lake. Our 100% inbound inspection has prevented many boats with zebra mussel infestation from launching.
Unfortunately, it was not 100% effective and we had a Zebra Mussel infestation at the Carver Park launch. And funding for that in 2017 may be curtailed as money that was spent at Carver Park may be split between other lakes and parks. What can you do?
• Make sure you or any visitors Clean, Drain and Dry watercraft before entering a lake.
• Hire Certified Lake Service Providers that are permitted by the DNR to work on water
• Educate your friends, neighbors and guest and have them launch their watercraft ONLY through the Regional Park to ensure they are not transporting invasive species.

Algae levels
You may have noticed more algae on the lake this year. The reason for that is the water that entered our lake from the increased rains this year brought a significant amount of nutrients from ground run-off into the lake.  This run-off increases algae growth in the lake. Run-off prevention with natural lakeshore buffers rather than lush lawns is key to minimizing that. Ask us how you can help.

Organic Runoff Reduction: Reducing the amount of leaves and other organics from entering the lake is getting increased focus. Did you know that just five bags of leaves and organic debris from streets and sidewalks can contain one pound of phosphorus? Over time, this can lead to the growth of hundreds of pounds of algae. We are working with the City of Chanhassen to improve our street sweeping efforts, particularly in spring and fall, to prevent this natural fertilizer from entering the water. In the meantime, homeowners can
– Remove debris from the street and especially around the storm drain grates.
– Point your lawnmower discharge chute away from the street and the lake.
– Maintain a 5-foot-wide native plant buffer strip in front of the shore to keep geese away.
– Pick up your dog’s poop and discard it in the trash.

E-Coli at Carver Park beach
While we had no influence on creating it or curing it, the Carver Park beach was closed for several weeks due to an e-Coli infestation. There never was a cause identified but fecal matter from geese, humans or water runoff was suspected. After the infestation, other areas of the lake were measured and found to be safe but only the park beach is routinely monitored.

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