Grey Water

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Grey water is the reuse of household water for other purposes, primarily landscape irrigation. Grey water is the most cost effective water disposal approach reduces stress on waste water treatment, and reduces demand on potable water for irrigation.

Notes

• https://www.doh.wa.gov/communityandenvironment/wastewatermanagement/greywaterreuse
• WAC regulating grey water use
• Art Ludwig is a pioneer in greywater and continues to update his seminal book - https://oasisdesign.net/greywater/createanoasis/