Minnesota boasts an impressive 12,208 lakes, as classified by the Minnesota DNR. Among them, 8,402, or roughly 69%, are classified as 'natural environment lakes.' Anoka County is home to several natural environment lakes including Fawn, South Coon, and Island Lakes.

What defines a natural environment lake? These are the smaller, shallower lakes, typically less than 150 acres in size and less than 15 feet deep. They come with numerous developmental constraints and are particularly sensitive to disturbance. With lakeshore properties in high demand across Minnesota, many natural environment lakes are now being earmarked for development. However, it's important to note that the lakeshore experience offered by these lakes might not align with the typical desires for boating or swimming that potential buyers often have.

Learn more about natural lakes on November 8th through a webinar featuring Joe Bischoff, an aquatic ecologist at Barr Engineering Co. Joe will delve into the intricacies and benefits of natural environment lakes. Additionally, some of the ongoing local conservation efforts to monitor and protect natural environment lakes will be highlighted.

Register today at tinyurl.com/small-lakes

Root boring weevils are a method of biocontrol that target knapweed without affecting surrounding native plants. As larvae, root weevils burrow into the roots of spotted knapweed and feed on them throughout winter and spring, leaving the plants dead or weakened. The weevils we released at ANP were adults who will lay their eggs at the base of the plants through early fall and hopefully begin to weaken the population of spotted knapweed within the preserve.

ANP was a promising candidate for root weevils biocontrol because the site has a large, dense population of spotted knapweed, and the weevils will not be disturbed by mowing or other land management activities. It can take several years to see the effects of the weevils, and the site will be monitored to see if they have been established. The weevils were provided by Monika Chandler from the MN Department of Agriculture, who delivered them in a sealed paper cup where they were kept refrigerated or in a portable cooler until the time of their release later in the afternoon. 

Article and photos provided by Sally Herman, Seasonal Technician with ACD  

Okay – the decay of organic materials in oxygen-poor shallow waters doesn't smell great. While this can worsen when nutrient pollution triggers excess algae growth, it is an otherwise natural process. Odor is a small price to pay for the vast benefits we receive from shallow lakes and wetlands; they retain floodwater and pollutants present in runoff, recharge groundwater, and provide fish and wildlife habitat that supports bountiful opportunities for hunting, fishing, bird-watching, and other outdoor recreation.

For many, the word "lake" triggers a vision of clear and deep water ideal for swimming and boating. However, over 5,000 of Minnesota's lakes larger than 50 acres are actually shallow lakes that are less than 15 feet deep and dominated by wetland habitat. In shallow lakes, sunlight reaching the lakebed, combined with readily available nutrients, increases the growth of aquatic plants. Shallow water also allows for more abundant emergent vegetation such as bulrush and  cattails, which can extend well beyond the shoreline and even become dominant, especially during periods of drought. Mucky lakebed conditions are produced as large quantities of organic materials die, settle to the bottom, and decompose over time.

Shallow lakes can exist in one of two states: clear or turbid. Clear shallow lakes are dominated by submerged vegetation, which often grows densely and can reach the water's surface. These aquatic plants are a source of food and habitat for fish and wildlife such as amphibians, waterfowl, and invertebrates at the base of both aquatic and terrestrial food webs. On the flip side, turbid shallow lakes are dominated by algae, which clouds up the water and restricts the growth of submerged aquatic vegetation. Turbid lakes typically support fewer fish and wildlife due to the lack of habitat provided by aquatic plants. 

Unusable or unwanted chemicals are considered hazardous waste when their disposal poses an environmental or health threat. When disposed of in the garbage, down the drain or on the ground, some household chemicals can threaten our environment, harm garbage collectors or hurt you. Most household hazardous wastes are hazardous because they are flammable, corrosive or toxic.

Characteristic words indicate the type of hazard posed by a product - flammable, corrosive or toxic. Look for the signal words on the label. Signal words - caution, warning, danger, poison - indicate the product's degree of hazard. The facility accepts household hazardous waste from residents of Anoka, Carver, Dakota, Hennepin, Ramsey, and Washington counties. Businesses, schools and other organizations may NOT use the HHW facility. There is no charge to use the site. Bring identification, such as a driver's license, as proof of residency.
For more information on hazardous waste, contact the Anoka County Hazardous Waste Facility. Below is a brief list of just some of the accepted household items.  

Recent extreme flooding has highlighted the dynamic and powerful nature of flowing water. If you live on a river or even a smaller stream, you've likely witnessed these characteristics and their impacts firsthand. With flood waters receding, now is a great time to assess the condition of your riverbank and consider stewardship and stabilization approaches that will help protect your property and the water you live on. Fortunately, we've created a brand new resource to help guide you through this process – the "Our Riverbank Connection" animated video!

Living by a creek, stream, or river provides many benefits and a unique opportunity to support water quality and wildlife. It also comes with some challenges such as erosion, which can eat away at your land over time. In this video, you will learn how to create a river-friendly lawn and riverbank that also protects your property by reducing or repairing losses from erosion. Video topics include:

• Recommended lawn care practices
• Signs of erosion and factors that may make your bank more susceptible to it
• Creating a well-vegetated bank
• Bank stabilization approaches to address active erosion
• Project planning and construction – what to expect

Watch "Our Riverbank Connection" here: https://www.youtube.com/watch?v=Et9wLuIrRuA

Want to learn more about streams and rivers and how you can help them, even if you don't live on their banks? Watch Part 1 of the "Our River" Installment – "Our River Connection" – here: https://www.youtube.com/watch?v=rdQEcmLyQJI 

The Anoka Conservation District (ACD) has been a long-time partner of Conservation Corps Minnesota & Iowa (CCMI) and this tradition continues in 2023. This year, ACD was awarded 32 CCMI crew days to be used towards implementing streambank stabilization practices along the Rum River in Anoka County. Crews are deployed, a week or more at a time, to a specific project site. ACD will act as the project host to coordinate projects, provide equipment and materials, and utilize ACD's expertise for extensive on-site training and education.

The majority of Corpsmembers are recent college graduates and these field crew positions provide members the opportunity to learn how soil and water conservation districts and other professional organizations operate. ACD strives to provide in-depth training on project installation, project goals, site identification, and touch on other critical aspects of a project. Additionally, extensive time in the field allows ACD staff get to know the Corpsmembers and contribute insight into their professional development and growth within their career path.

CCMI field crews serve the greater outdoors by restoring habitat, managing natural resources, and occasionally responding to natural disasters or emergency needs of a community. The Field Crew program prioritizes personal and professional growth while teaching hands-on conservation skills in the field. Corpsmembers develop technical skills throughout their term while completing challenging and impactful conservation projects. Many projects are performed in partnership with public land management agencies such as the Department of Natural Resources, US Fish & Wildlife Service, National Park Service, cities, counties, and trail associations.

Working in a field crew blends hard work, community service, and environmental stewardship while also gaining additional life-long skills. Corpsmembers often have a transformational experience during their term, leaving them feeling more prepared for whatever comes next. 

Visit the Conservation Corps website to learn more about the organization and available career opportunities. 

https://conservationcorps.org/programs/field-crews/ 

LiDAR stands for Light Detection and Ranging. The landscape is mapped by laser pulses projected from a low-flying airplane. These pulses bounce back to a sensor which records the location of the airplane, the angle of the pulse, and the time it takes the light to bounce back. Using that information, the system is able to create a point cloud of the landscape. This point cloud is then converted into modeled surface of the ground called a Digital Elevation Model (DEM). This model can be used to map terrain features like water flow paths and drainage areas, geologic features, infrastructure, and many others.

The first generation of LiDAR data in Minnesota was collected from 2008-2012. Since then, the landscape has changed in untold ways, and technology has dramatically improved for collecting more dense and accurate data. Because of this, the 3D Geomatics Committee of the State's Geospatial Advisory Council set out to coordinate the collection of Generation 2 LiDAR in Minnesota. This effort is currently underway in partnership with the USGS as the lead data collection entity nationally, and counties and other local partners as the ultimate data recipients. Generation 2 LiDAR data collection started in 2021. Anoka County data was collected in 2022, and will be available in 2023.

This new data will allow us to map watercourses, drainage areas, and floodways in much higher resolution and with more accurate and recent data from the landscape. We'll also be able to assess eroding slopes like those along riverbanks for height, steepness, and stability without having to traverse them with survey gear. Because the new data is so robust, it is also opening up possibilities for forestry and vegetation surveys, very detailed mapping of infrastructure, and untold uses yet to be implemented or even thought of.

For more information about this incredibly useful public data, visit the Minnesota LiDAR Hub online at: https://lidarhub-minnesota.hub.arcgis.com/ 

Garlic Mustard Pull at Cedar Creek Ecosystem Science Reserve
May 16th, from 9:00 am - 11:00 am

Join ACD and Cedar Creek staff to remove an invasive Garlic Mustard patch from the interior of Cedar Creek property. Bring bug spray, water bottle, long pants and hiking boots as we walk to the site. Utilize this on-hands training to learn more about how to identify and remove garlic mustard.

Work tools and other supplies will be provided.

Cedar Creek Ecosystem Science Reserve
May 9th from 11:30 – 1:00

Six rain gardens are being installed at residential lots in the Rice Creek Terrace neighborhood in the City of Fridley. These rain gardens are being placed at high priority locations to intercept and treat stormwater before it enters Rice Creek. The locations were identified during a Lower Rice Creek Stormwater Retrofit Analysis conducted by ACD in partnership with the City and the Rice Creek Watershed District. The rain gardens are being funded by the RCWD's water quality cost share program and the City of Fridley. Landowners have all agreed to long-term maintenance of the gardens to ensure optimal and continuing stormwater treatment. 

Cumulatively, the six rain gardens are estimated to infiltrate 455,000 gallons of water, as well as remove 605 pounds of sediment and two pounds of phosphorus loading to Rice Creek annually. All six rain gardens will be vegetated with native plants to maximize infiltration and provide the co-benefit of pollinator habitat. Additionally, one rain garden will be located immediately adjacent to a trail entrance into Locke County Park, providing an excellent public education opportunity.

Watch for additional updates as construction is finalized. To see other rain gardens already installed throughout Anoka County, please see the virtual project tour on ACD's website. 

Each spring and fall, ACD staff teaches area high school students about collecting macroinvertebrates to track water quality in Anoka County streams. This lesson is educational and fun for students, while providing ACD with data to track water quality over time through the streams' biota. Biological organisms that can be used to track the health of the environment they live in are called biological indicators (or bioindicators for short).

Macroinvertebrates, the larval forms of many common insects, are a great biological indicator for stream health in particular. They also live in lakes and wetlands. Many people don't realize that common insects like dragonflies, mayflies, black flies, and many others spend the majority of their lives as larval forms in the water. These larvae have varying tolerance levels to pollution, meaning some need very clean water to survive, while others can survive in either clean or polluted water. By tracking the populations of these organisms over time, we can gauge changes in water quality by assessing population shifts and known tolerance levels. This provides a valuable supplemental dataset to water quality samples collected periodically. Because these organisms spend months to years in the water, they give a more comprehensive long term look at water quality than water samples collected at random times can alone. 

For the past 24 years, ACD has partnered with numerous schools and groups in Anoka County to collect macroinvertebrates. We currently partner with the Upper and Lower Rum River Watershed Management Organizations, the St. Francis American Legion, and the Rice Creek Watershed District to fund this monitoring with classes from four schools. Anoka High School and St. Francis High School classes monitor the Rum River near their schools, Totino-Grace High School classes monitor Rice Creek in Fridley, and the Forest Lake Area Learning Center monitors Clearwater Creek in Centerville. We also plan to take a new class from Blaine High School out in the fall of 2022 to monitor Coon Creek in Coon Rapids.

Over time, this program has taught thousands of Anoka County students about stream water quality, biological indicators, and work in the environmental sciences, all while getting them out of the classroom and into a stream. 

Investment in water education is vital for the continued health of the environment and people. By building strong new partnerships, the Water Resource Outreach Collaborative (WROC) in Anoka County is doing just that.

The purpose of this shared outreach and engagement partnership is to inform community residents, businesses, staff, and decision-makers about issues affecting local waterbodies and groundwater resources. Through enhancement of existing outreach programming and collaborative development of new programming, WROC engages people in activities and individual behavior changes that will positively impact the health of our surface and groundwater.

Since January 2019, Anoka County's Water Resource Outreach Collaborative has created new resources including a Conservation Resource Library and a brochure, display, and animated video on groundwater. In addition, the Collaborative has had a presence at 40 community outreach events throughout the county and facilitated or collaborated with partners to host 22 workshops, presentations, and trainings. Notable activities from the past year include presenting to over 630 5^th graders in 7 schools in the county, hosting the best-attended private well and septic system training in with 58 attendees compared to 8-12 attendees in previous years, and hosting two smart salting trainings for 85 road maintenance staff from several previously untrained municipalities including Oak Grove, Columbus, Nowthen, Linwood Township, St. Francis, and Ramsey.

In the future, the Anoka County Water Resource Outreach Collaborative will continue partnering to reach new and diverse audiences with messages of water health and conservation. The WROC partnership is an investment in the future of water education in our area. Prioritizing public education is critical to empowering everyone to act as water stewards and create a healthier world for future generations.

The Water Resource Outreach Collaborative (WROC) is a fledgling partnership of cities and watershed management organizations in Anoka County dedicated to working together for efficient and effective public education about water health in our area. It is currently funded with a Watershed Based Funding grant through the Minnesota Board of Water and Soil Resources and is facilitated by the Outreach and Engagement Coordinator, Emily Johnson, who works out of the Anoka Conservation District office. Contact Emily at This email address is being protected from spambots. You need JavaScript enabled to view it.

Learn more here: Water Resource Outreach Collaborative