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The Subregional System is a National Leader in Water Reuse
Diverse and Innovative Uses Make for a Unique and Flexible Approach

Examples of Water ReuseWater from tubs, toilets and sinks inside homes and offices travels through pipes to the Santa Rosa Subregional Water Reuse Plant where it is cleaned through a treatment process that is ranked among the top five percent in the world for wastewater treatment technology.

The result is recycled water – a high-quality, tertiary-treated water that is safe for the irrigation of landscapes, agricultural crops, vegetable crops that are eaten raw, vineyards, playgrounds, golf courses, parks, cemeteries, freeway embankments, and street medians. It is also frequently used in industrial processes, decorative fountains, fire suppression systems and much more. About half (or 11 million gallons per day) of our Subregional System’s recycled water is sent to The Geysers , where it is pumped into underground steam fields to generate enough electricity for up to 100,000 households.

For every gallon of recycled water used to irrigate public places, such as Finley Park, a gallon of precious drinkable water is saved.

Other benefits of using recycled water for irrigation include a drought-proof water supply, less need to release recycled water into local waterways, the development of a new water supply with a locally controlled, reliable source that is environmentally responsible—it is the same concept that drives the recycling of bottles, cans and paper.

The Subregional System serves the cities of Santa Rosa, Rohnert Park, Sebastopol, Cotati, the South Park Sanitation District, and some unicoporated parts of Sonoma County
Click here to view a map of the Subregional System (pdf). 

 

 

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