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Ask Greener Davis
Find additional FAQs on our website. If you have a question that you feel would be of interest to the community, please email it to PWWeb@CityofDavis.org, and you may see it featured in an upcoming e-blast or social media post.
Q. Fall planting season is coming up - how does the water from my tap affect the plants?
A. The water delivered by the City to your tap meets all state and federal drinking water regulations (check out the City of Davis 2024 water quality report). However, if you use a water softener, the softened water should not be used because that water contains more salt, which can be harmful to plants.
The water that the City provides to your tap is a blend of treated surface water and groundwater treated with chlorine for disinfection. The water system maintains a chlorine residual of 1.0 mg/L or less. For sensitive indoor houseplants, you can leave the water sitting out for about an hour (in your watering can perhaps) to dissipate the chlorine and allow the water to reach room temperature, which is also beneficial to your indoor plants’ leaves. For outdoor watering, if you prefer an alternative to your tap, using a rain barrel to collect rainwater in the fall and winter is a great way to conserve water and the rainwater has fewer salts and no chlorine residual.
Water delivered to homes in the City of Davis in 2024 was a blended mix of approximately 80% treated surface water with the remainder being treated groundwater. Some common constituents in water that are of interest to gardeners are phosphate, boron and hardness. Phosphate levels are set at the water treatment plant and phosphate is maintained in the City’s distribution system at or above 1.0 mg/L to prevent the corrosion of pipes. Water hardness and boron (both naturally occurring constituents) in the water are sampled monthly in the City’s distribution system with boron ranging from 0.054-0.930 ppm (average of 0.206 ppm) and hardness (as CaCO3) ranging from 57-640 ppm (average of 66 ppm).
City of Davis Water Quality Information
Q. When does on-street yard material pile collection begin?
A. Seasonal on-street yard material pile collection is offered in most areas of Davis for excess yard materials that do not fit in the organics carts. Seasonal collection includes 10 scheduled fall/winter collections that occur every other week and one spring collection. The fall/winter pile collection will begin the week of October 20. Piles are not allowed in the street until the week of October 12. This is actively enforced.
Yard materials can be placed in your organics cart at any time and the organics cart is serviced once a week.
More information about on-street yard material pile collection
More Ask Greener Davis questions and answers are available online.
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