Louisville Water Efficiency Rebates

Free programs available for City of Louisville water customers.

Available Rebates

Free Smart Controller (Rachio 3)
Free
  • WiFi-enabled, auto-adjusts watering based on weather
  • Controllable via mobile app
  • Limited controllers available per season
  • 2026 applications currently open
Free Rain Sensor (Rain Bird WR2)
Free
  • Wireless rain sensor
  • Detects rainfall and pauses sprinklers automatically
  • Limited sensors available per season
Free Slow the Flow Evaluation
Free
  • 60-90 minute on-site sprinkler evaluation
  • Custom watering schedule for your property
  • Efficiency testing and recommendations
  • Available during irrigation season (starting mid-June)

How to Apply

  1. 1

    Join the 2026 interest list at slowtheflow.resourcecentral.org.

  2. 2

    Receive a confirmation email with a link to the eligibility application.

  3. 3

    Complete the eligibility form for the program(s) you want.

  4. 4

    Resource Central reviews applications and schedules appointments (starting mid-June).

Additional Resources

Slow the Flow — Free Sprinkler Evaluation

Louisville offers free Slow the Flow evaluations through Resource Central. Signing up also puts you in the queue for free smart controller and rain sensor installations.

Sign Up at Resource Central
Free Waterwise Yard Seminars

Free virtual workshops on low-water landscaping, xeric plants, and smart irrigation. Taught by local landscape professionals.

Learn More

Frequently Asked Questions

How do I get a free smart controller in Louisville?

Sign up at slowtheflow.resourcecentral.org to join the 2026 interest list. You will receive a confirmation email with a link to the eligibility application. A limited number of Rachio 3 controllers are available each season, with installations starting mid-June.

What does a Slow the Flow evaluation include in Louisville?

A trained technician visits your home for 60-90 minutes. They inspect all irrigation zones, run efficiency tests with catch cups, create a custom watering schedule for your property, and provide a detailed report with recommendations. The service is completely free for Louisville water customers.

Ready to Get Started?

Get a free quote on irrigation installation, repair, or seasonal service. Call today or send us a message.