Image Source: https://www.kcsmartsewer.us/initiatives/kc-green-infrastructure
Regulations
- MS4: KDHE MS4 Program
- Construction Stormwater: KDHE Construction Stormwater
- Industrial Stormwater: KDHE Industrial Stormwater
Funding Resources
KDHE Loans and Grants
For: Clean water and drinking water infrastructure, including pollution control
Administered By: Kansas Department of Health and Environment Division of Environment
Eligibility: Municipalities and public entities
Funding Type: Loans and Grants
Max Funding Level: $12,500 – $3,000; Depends on project
Contain the Rain – Stormwater Cost-Share
For: Rain gardens, native plantings, and rain barrels to reduce stormwater runoff
Administered By: The City of Overland Park
Eligibility: Residential property owners in Overland Park
Funding Type: Cost-Share
Max Funding Level: $75 – $1,000; Depends on the Project
BMP Cost-Sharing Program
For: Implementation of Best Management Practices (BMPs) to improve water quality
Administered By: The City of Gardner & Johnson County Stormwater Management Program
Eligibility: Residents within the City of Gardner
Funding Type: Cost-Share
Max Funding Level: $75 for Rain Barrels; $1,000 for all other projects
Contain the Rain (Johnson County)
For: Encouraging homeowners to use sustainable landscape practices
Administered By: Johnson County Stormwater Management Program
Eligibility: Residents of participating cities within Johnson County
Funding Type: Cost-Share
Max Funding Level: Depends on which City you are applying in
Cost-Share Program (Wyandotte County)
For: Stormwater quality improvements such as rain gardens and rain barrels
Administered By: The Unified Government of Wyandotte County
Eligibility: Residents of Wyandotte County / Kansas City, KS
Funding Type: Cost-Share
Max Funding Level: $75 for Rain Barrels; $1,000 for all other projects
Community Impact Program
For: Community impact, environmental sustainability, and leadership initiatives
Administered By: Evergy
Eligibility: Non-profit organizations and community agencies in Evergy’s service area
Funding Type: Financial investments, physical goods and services, volunteerism, and resource connecting
Max Funding Level: N/A
HB 2302 / State Water Infrastructure Grant Program
For: Water-infrastructure planning, engineering, grant/loan application preparation, construction, repair, maintenance, replacement, and loan-assistance projects that address Kansas water quantity or quality needs.
Administered By: Kansas Water Office
Eligibility: Kansas municipalities and water-related special districts.
Funding Type: Grants
Max Funding Level: Technical Assistance Fund awards may not exceed $1,000,000; Water Projects Fund awards may not exceed $8,000,000, unless the Legislature authorizes otherwise. No match is required. The FY 2027 application deadline was September 15, 2026, so this cycle is now closed.
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Water Conservation Rebate Program
For: Residential water-saving devices, including qualifying rain barrels, toilets, efficient washers and dishwashers, irrigation controllers, rain-sensor shutoffs, and drought-tolerant landscape materials.
Administered By: City of Wichita
Eligibility: City of Wichita potable-water customers with active accounts; eligible products must be purchased in 2026, and applications must be submitted within 90 days of purchase.
Funding Type: Rebates
Max Funding Level: Up to five qualifying device rebates per active account; for rain barrels, the rebate is up to $100 for one newly purchased and installed barrel of at least 45 gallons. Individual rebate amounts vary by device and cannot exceed the item’s purchase price.
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Community Facilities: Small Grants
For: Smaller-scale public-facility improvements, including community facilities, park enhancements, accessibility upgrades, and similar CDBG-eligible projects that benefit low- to moderate-income residents.
Administered By: Kansas Department of Commerce
Eligibility: Eligible Kansas cities and counties, generally excluding federal entitlement communities; projects must benefit at least 51% low- to moderate-income persons and require an approved pre-application.
Funding Type: Grants
Max Funding Level: Up to $210,000, with at least a 10% local match. Applications are accepted from March 2 through October 16, 2026.
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Riparian and Wetland Program
For: Private-land projects that restore or rejuvenate wetlands and protect riparian areas to improve water quality, water availability, and wildlife habitat.
Administered By: Kansas Department of Agriculture, Division of Conservation
Eligibility: Kansas private landowners, applying through their local conservation district before beginning work.
Funding Type: Cost-share
Max Funding Level: Up to 80% cost share, limited to $10,000 for eligible earthwork and vegetation.
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Stormwater Cost-Share Program
For: Residential green-infrastructure practices that reduce stormwater pollution, including rain gardens, native plantings, rain barrels or cisterns, permeable pavers, and native trees.
Administered By: City of Lenexa
Eligibility: Lenexa residents undertaking approved projects; awards are first come, first served.
Funding Type: Cost-share reimbursement
Max Funding Level: Reimburses 75% of eligible costs, with a $1,500 total project maximum; rain barrels are capped at $110 and native trees at $225 per tree. The official page currently identifies a 2026 application, so the stated March 2027 opening should be verified before publishing.
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Community Development Block Grant Program
For: Community-development projects, including water and sewer infrastructure, public facilities, housing, and economic-development activities that meet federal CDBG national objectives.
Administered By: Kansas Department of Commerce
Eligibility: Kansas local governments, with eligibility varying by program category; projects generally must primarily benefit low- to moderate-income persons, prevent or eliminate slums and blight, or meet urgent community needs.
Funding Type: Grants
Max Funding Level: Varies by category. In the FY 2026 cycle, Water and Sewer Infrastructure awards are available up to $800,000, Community Facilities Small Grants up to $210,000, and Community Facilities Large Grants up to $1,500,000.
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