Contain the Rain – Stormwater Cost Share Program

Planting native landscaping reduces the amount of surface runoff that flows into our waterways. It helps rain infiltrate into the ground slowly to recharge streams, lakes, and wetlands at a more natural pace.

Stormwater runoff that flows through native landscapes is filtered, and contaminants are removed by plants and soil, results in cleaner, safer water.

Overland Park will cover 50 percent of the cost of a rain or pollinator garden, up to $1,000.

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Rain barrels can be incorporated into your landscaping by planting or screening around the barrel. They are subject to applicable laws, including, but not limited to, the city property maintenance codes.

Overland Park will cover 50 percent of the cost of a rain barrel, up to $75 per barrel (limit of two).

Overland Park will cover 50 percent of the cost of native tree plantings, up to $150 per tree (limit of two). Trees must be included on this list to qualify for the city’s cost share program.

Eligible Trees

Ten Rules for Planting Trees

Overland Park will cover 50 percent of the cost of native buffers, up to $1,000.    

Buffer strips, sometimes called filter strips or biofilters, are gently sloped areas of vegetation and landscaping installed between or at the edge of impervious surfaces and turf areas. Stormwater runoff from sidewalks, driveways and streets, and irrigation overspray from turf areas is captured and filtered through vegetated buffer strips instead of draining onto the street.

Buffer strips are most effective when planted with drought-tolerant vegetation that requires minimal watering. They should be installed over soils that have adequate infiltration rates.

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Learn About Native Buffers

Overland Park will cover 50 percent of the cost of native swales, up to $1,000.

Swales, sometimes called bioswales, are shallow, gently sloped vegetated open channels that slow down runoff, filter out stormwater pollutants and allow some infiltration to occur. They can be designed as a form of bioretention and can also be used to convey stormwater runoff in place of pipes or ditches. As water flows along the swale, it is slowed down by the plants and the roughness of the landscaped surface. This allows sediments and pollutants to drop out and be processed by the plants and soil. Some stormwater soaks into the soil and is used by plants, and, depending on existing soil conditions, some stormwater infiltrates and provides groundwater recharge. Some water continues to flow downhill in the swale, but at a slower rate and sometimes at a lower volume than would flow through conventional storm pipes.

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Learn About Native Swales

Riparian plants cover land along stream banks, absorbing water and energy during storms and reducing the impact of flooding.

Overland Park will cover 50 percent of the cost of riparian plants, up to $1,000.

Rain cisterns are water collection systems installed above or below ground, typically collecting 200+ gallons. Overland Park will cover 50 percent of the cost of a rain cistern, up to $500.

Permeable pavement is a porous surface that catches precipitation, allowing it to slowly infiltrate into the soil.

Types of permeable pavement include:

• Porous asphalt
• Concrete grid pavers
• Plastic reinforcement grid
• Porous concrete
• Permeable interlocking concrete pavers
• Natural rock pavers

Permeable pavement should be used in areas that would otherwise be covered with an impermeable surface to be included in the cost share program.

Overland Park will cover 50 percent of the cost of permeable pavement, up to $1000.

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Poor soil can make it difficult to know what type of plants will grow, how/when to apply chemicals (like fertilizers and pesticides) and prevent water from soaking into the ground. In order for soil restoration to be considered for reimbursement through the cost share program, you will need to get a free soil test done from the K-State JOCO extension office, then increase the organic matter by 1-3% through adding compost, manure, etc. You will then need to get your soil retested (the second test will not be free but you can include it in your cost share materials).

Overland Park will cover 50 percent of the cost of soil restoration, up to $1000.

Free Soil Test

Floating wetlands are container gardens that float on the surface of water. Local marsh and wetland plants filter pollutants in the water.

Overland Park will cover 50 percent of the cost of floating wetlands, up to $1000.

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