St. Andrew’s United Methodist Day School Rain Garden

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What is polluted runoff?

Parts of the Chesapeake Bay watershed contain a high percentage of impervious cover – paved or other hard surfaces such as roofs and roadways that prevent rain water from being absorbed into the ground.  Instead, water runs along these surfaces, collecting trash and substances such as motor oil, lawn fertilizers, and pesticides.  This polluted stormwater flows into streams and rivers, where it threatens aquatic ecosystems and public health.  

Effective stormwater management, on the other hand, creates safe paths for polluted runoff to be captured and filtered through the ground before it reaches waterways.  This helps keep the environment clean and our communities healthy!

before image
Before construction, the project site would flood whenever it rained.
after image
The addition of a rain garden in the playground alleviated flooding and enhanced beauty.


Project Location: Edgewater, MD

Problem: The school playground at St. Andrew’s United Methodist Church and Day School flooded every time it rained, making the site inaccessible to school children.  Further, runoff flowed to nearby Gingerville Creek, delivering pollutants and debris.

Solution:  To alleviate these issues, St. Andrew’s installed a rain garden adjacent to the playground, and re-routed roof downspouts to a rock-lined swale flowing into the rain garden.  In addition to keeping the playground flood free, the rain garden serves as an outdoor classroom for students to learn about native plants, the water cycle, and stormwater management.

Scale: 5,000 square feet

Funding sources: MD Department of Natural Resources’ Chesapeake and Atlantic Coastal Bays Trust Fund

Partners: MD Department of Natural Resources; St. Andrews United Methodist Day School; Severn Grove Ecological Design LLC

Contact Information
Jesse Iliff | South River Federation | | 410-224-3802
Key project facts
Project Type
Project Scale
$10,000 - $99,000
Story Focus
Environmental Benefits
Stormwater Funds
Problem Addressed
Flooding / Drainage
Health Hazard
Runoff Pollution
Year Installed
State Legislative District
Federal Legislative District