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Stormwater Management Engineering

We’re not just stormwater experts. We’re engineers.

Stillwater Environmental Engineering has expertise in designing stormwater management systems for a variety of projects for municipal, industrial, and institutional clients. Our stormwater management engineering capabilities include detention basins, infiltration basins, subsurface and surface drainage, and more. We also specialize in the design of low impact development (LID) stormwater treatment options for both new and redevelopment projects. Our LID designs always meet or exceed existing state or federal best management practices (BMP) requirements and include rain gardens, tree box filters, and other LID BMPs.

Detention basins are excavated areas that protect against flooding and downstream erosion. These basins store water for limited periods of time. They’re important because they manage stormwater runoff to prevent flooding and downstream erosion, and improve water quality. Infiltration basins are similar in what they do, but different in the way they operate. They look like hollows, or dips, in the ground. They capture stormwater so that it filters through the ground (the best kind of natural filter), or a layer of filtration media (depending on local soil composition), rather than running off into rivers, streams, lakes, ponds, or other bodies of water.

Low impact development BMPs focus on the use of natural vegetation and/or infiltration for the treatment of stormwater. These BMPs are more visually pleasing and offer multiple benefits that traditional stormwater BMPs do not. The Maine Department of Environmental Protection (MDEP) and many municipalities in the state require LID in many new and redevelopment projects.

We have designed stormwater management engineering systems like these for multiple clients, and would be happy to do the same for you.

Whenever we’re at work, we’re conscious of our purpose – to keep water clean. If you have additional questions about stormwater management engineering, contact us. We’ll be happy to help you.