Contra Costa Water District (CCWD) offers rebates of up to $50 as an incentive for customers to install a Laundry-to-Landscape Greywater System that uses discharge water from a single domestic clothes washer for landscape watering. Reusing water from a clothes washer to water your garden is a simple and easy way to “go grey.”
The rebate is 100%, up to $50 towards the material cost of:
One (1) Brass 3-way diverter valve and
One (1) air-vent/air admittance valve
Limit one rebate per property for the life of the program.
Irrigate your yard with greywater from your washing machine.
Terms & Conditions
Laundry to Landscape Greywater System (greywater system) must be installed prior to submitting a rebate application
Rebate application must be postmarked within 90 days of equipment purchase date
Program is subject to available funds and CCWD reserves the right to alter the program at any time without notice
Applicant will allow CCWD staff to inspect the laundry to landscape greywater system as a condition of receiving rebate
Applicant certifies that necessary permissions have been obtained from the property owner, if applicant is not the owner
Applicant is responsible for complying with all applicable codes, regulations and permit requirements
Generally, a laundry to landscape greywater system will not require a permit. However, it must be installed following California Plumbing Code. Check with your local building or permitting department for additional rules to consider when planning your project.
Steps to Apply
Review the Greywater System Installation Resources, especially Greywater Action.
Purchase the qualified equipment and install the Laundry-to-Landscape Greywater System.
Please mail or email a completed Greywater Rebate Application (PDF), your original sales receipts for the qualifying equipment, and pictures of your completed installation including the 3-way valve, air relief valve, and mulch basins.
Keep a copy of the application and your receipts for your records.
Application must be postmarked within 90 days of equipment purchase date
Rebate check will be processed in 6-8 weeks.
Greywater System Installation Resources
CCWD recommends applicants hire an experienced contractor to install the greywater system. However, if the homeowner is installing the system, it is recommended that they consult with an experienced contractor.
Greywater Action - Learn about installing a laundry to landscape greywater system. Find information about: