At Three Rivers Park District, water quality crews monitor the water at beaches and swim ponds on a weekly basis from Memorial Day to Labor Day to ensure the E. coli levels are safe for users. Learn more about the testing process, other reasons for beach closures and how you can help maintain healthy water quality in the parks.

Boating is a great way to enjoy the fresh air when the weather gets warm. Before you get out on the water, here's a quick refresher on how you can prevent aquatic invasive species from further impacting Minnesota's waterways. 

Learn how Three Rivers Park District takes care of precious water resources.

Curious what goes into ecological restoration? Follow along as Paul Kortebein, Manager of Forestry and Horticulture, explains how Three Rivers is managing the invasive species Oriental bittersweet in parks.

From securing permits to making sure habitat is just right, a lot of work goes into bringing new butterflies into our parks. Learn all about the process of reintroducing butterflies, our past successes and which butterflies we hope to introduce into our parks in the future.

Understanding how our bumblebee populations are changing and why helps us determine how we can best support them. Read on to learn all about how we conduct bumblebee surveys in our parks and what you can do to help collect valuable bumblebee data. 

When an invasive species isn't immediately eradicated, things can get tough to control. Learn about the most widespread invasive species in Three Rivers and how we and our wonderful volunteers manage them to protect our high-quality forests.

Did you know that we have our own plant nursery at Three Rivers? Learn all about why we grow our own plants and how we work to ensure the forests in our parks will be around for years to come. 

In the winter, our skilled Forestry staff is hard at work pruning trees in picnic areas, campgrounds and other public areas in the parks. Learn all about the art of pruning and why we do it at Three Rivers.

Regal fritillary butterflies have sharply declined in population and are listed as a species of special concern in Minnesota. Learn how and why they are thriving at Crow-Hassan Park Reserve.