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21012 Hilliard Boulevard
Rocky River, Ohio 44116
USA

(440) 331-0600

Official website of the City of Rocky River, Ohio, providing community profile, information on local government, safety forces and education.

Rocky River Updates

INNOVATIVE STORMWATER DEMONSTRATION PROJECT at ROCKY RIVER PARK

James Umerley

INNOVATIVE STORMWATER DEMONSTRATION PROJECT
at ROCKY RIVER PARK

 

PARKING LOT BIOSWALE SECTION

WHAT IS BIORETENTION?

Bioretention areas are stormwater cells or basins that use soil, mulch, and vegetation as a natural filtration device to remove pollutants and nutrients from runoff. This bioretention area improves water quality by utilizing:

Bioretention Soil - Specialized planting soil with a higher sand content that supports infiltration.

Filter Layers - Small gravel and sand layer that prevents soil particles from migrating down into the drainage bed.

Gravel Layer - Gravel bed acts as subsurface water storage while also providing drainage access to outlet pipes.

 

THE BIOSWALE PROCESS

√ Intercept runoff with strategically placed curb cuts.

√ Reduce the amount of runoff into storm sewers and Lake Erie.

√ Infiltrate stormwater runoff into the soil.

√ Purify stormwater runoff through soil infiltration.

 

WHY IS GREEN INFRASTRUCTURE IMPORTANT?

This project demonstrates how Green Infrastructure measures like bioswales, rain gardens, and permeable pavers might be incorporated into other public and private properties.

 

Rocky River was awarded a $210,000 grant from the Ohio Environmental Protection Agency (Ohio EPA) under the provisions of Section 319 of Ohio’s Nonpoint Source Program. This product or publication was financed in part or totally through this grant. The contents and views, including any opinions, findings, conclusions, or recommendations, contained in this product or publication are those of the authors and have not been subject to any Ohio EPA peer or administrative review and may not necessarily reflect the views of either Agency, and no official endorsement should be inferred.


RAIN GARDEN SECTION

A Rain Garden consists of a depression that allows for shallow ponding of runoff and gradual infiltration through the bioretention soil, after which it either drains through underlying soils or enters the storm sewer system through an underdrain system.

 

Native plants and grasses assist through the uptake of water and nutrients while further enhancing the infiltration process.

 

This installation is an example of what a Rain Garden might look like in a residential or commercial setting.

 

WHAT ARE THE BENEFITS OF RAIN GARDENS?

√ Reduces the amount of runoff into storm sewers and Lake Erie.

√ Helps remove pollutants and nutrients from stormwater runoff before it enters our local waterways.

√ Provides habitat for birds and butterflies.

 

WHY DO WE NEED RAIN GARDENS?

Development of the land has resulted in compacted soils and increased impervious surfaces. During rain events, instead of being absorbed and filtered by the soil, the stormwater runs off the land contributing to flooding, erosion, and water quality issues.

 

Rocky River was awarded a $210,000 grant from the Ohio Environmental Protection Agency (Ohio EPA) under the provisions of Section 319 of Ohio’s Nonpoint Source Program. This product or publication was financed in part or totally through this grant. The contents and views, including any opinions, findings, conclusions, or recommendations, contained in this product or publication are those of the authors and have not been subject to any Ohio EPA peer or administrative review and may not necessarily reflect the views of either Agency, and no official endorsement should be inferred.