Graywater · California

Valley Water Graywater (Laundry-to-Landscape) Rebate

Run by Santa Clara Valley Water District (Valley Water)

OpenLast checked October 17, 2026
What you get
$200 base; $400 for residential customers of Milpitas, Morgan Hill, Palo Alto Utilities, Santa Clara Utilities or San Jose Municipal Water
Maximum
$400 per household
Who qualifies
Homeowners in Santa Clara County whose washer is accessible near an exterior wall or over a crawl space, first outlet within about 50 ft of washer (or farther if downhill), landscape level with or downhill from washer, at least 1.5 ft from property line and foundations.
Where
Homeowners in Santa Clara County; higher rebate for customers of Milpitas, Morgan Hill, Palo Alto, Santa Clara and San Jose water utilities.
Status
Open. Funding until June 30, 2027 or until depleted; remaining funds not published.
Type of payment
Rebate

What you do

Install a gravity-fed laundry-to-landscape graywater system with mulch basins.

Requirements

  • Gravity-fed, no filters, tanks or pumps (other than washer pump)
  • Mulch basins required (square footage set in Notice to Proceed)
  • Seasonally high groundwater at least 5 ft below surface
  • Minimum setbacks from property lines, buildings, septic and wells
  • Diverter valve at least 6 in above washer flood rim
  • No irrigating root crops or edible parts touching soil
  • Provide an operation and maintenance manual
  • Follow California Plumbing Code Chapter 15
  • Call 811 before digging

How to apply

  1. 1Apply online through Valley Water portal or submit paper application by mail or email
  2. 2Wait for approval and Notice to Proceed before starting work
  3. 3Complete work, then schedule post-inspection (408-630-2554)
  4. 4Payment by mail about 4-6 weeks after successful post-inspection

Timing and deadlines

Payment 4-6 weeks after post-inspection

June 30, 2027 or until funds run out

Combining it with other programs

Not stated

Sources

Last checked October 17, 2026. See something out of date? Tell us.

Sow is not affiliated with any of these agencies or utilities. Amounts and rules change, often at the start of a fiscal year, so confirm the details on the official page before you start a project. How we research these programs

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