Yes, all plants can be watered with recycled water. This includes edible plants such as fruit trees, vegetables, and herbs. Just remember to wash all fruits, vegetables, and herbs with potable water prior to consumption. Recycled water tends to have a higher salt content than drinking water. We advise you to direct the recycled water to the roots of the plants and not the foliage. This will protect them from potential leaf burn.
Who develops the health standards for recycled water?
Recycled water is strictly monitored to ensure it meets water quality standards set by California SWRCB-DDW and the U.S. Environmental Protection Agency (EPA).
Why is recycled water not safe to drink? What happens if I drink it?
Tertiary-treated recycled water is not approved for drinking. If you accidentally drink recycled water, there is no need to panic. Should you experience any adverse symptoms or feel unwell, consult your doctor.
Do water-use restrictions (conservation) apply to recycled water?
No. Water-use restrictions do not apply to recycled water. However, recycled water is a valuable resource and should not be wasted.
How much recycled water can I pick up at a time?
Maximum per visit is 300 gallons, visits are limited to 3-times per day. Keep in mind the size of your vehicle when selecting transport containers; one gallon of water weighs 8.345 pounds. Ensure your vehicle can handle the amount of recycled water you collect and transport.
Volume – Gallons
Weight – Pounds (Lbs.)
5 gallons
42 lbs.
50 gallons
417 lbs.
100 gallons
835 lbs.
300 gallons
2,500 lbs.
How much will recycled water cost me?
Recycled water cost from the residential fill station will be consistent with the current utility rates. As of 6/21/2022, recycled water rate is $7.35 per Unit [1 Unit = 1 CCF = 748 gallon]. For an update of the City’s Utility Rate please visit the City's Webpage.
What is tertiary-treated recycled water and is it safe?
Recycled water is wastewater that has been processed through primary, secondary, and tertiary treatment. Redwood City’s Recycled Water Program supplies clean, safe tertiary-treated recycled water that has gone through a treatment process that includes either microfiltration or sand filtration and extra disinfection. Water treated through this rigorous process meets the high level of standards set by the State Water Resources Control Board – Division of Drinking Water (SWRCB-DDW) and qualifies for a number of beneficial uses. Recycled water is safe for outdoor use, such as watering your lawn or garden. However, it is not safe to drink or use in food preparation.
