Cathedral City, California
What is the Water Quality in Cathedral City, California?
[Updated: June 13, 2023]
Compared to other US cities, Cathedral City water quality ranks in the high range for contamination excluding Lead.
Most of the 31 contaminants have cancer-causing attributes.
- Arsenic is at extremely high levels: 481x health guidelines.
- Radon is at extremely high levels: 123x health guidelines.
- Uranium is at very high levels: 12x health guidelines.
Let’s look closer at what’s in Cathedral City water.
What’s in Cathedral City water?
Here are the top 5 chemical compounds in your water and what health issues they can potentially cause:
- Arsenic – Potential effect: Cancer
- Bromodichloromethane – Potential effect: Cancer
- Chloroform – Potential effect: Cancer
- Hexavalent Chromium – Potential effect: Cancer
- Uranium – Potential effect: Cancer
These are five of the 31 contaminants analyzed by the Environmental Working Group (ewg.org).
14 of these contaminants are rated as exceeding EWG Health Guidelines.
Does Cathedral City have Lead contamination?
No, Cathedral City does not currently have lead in its water. The most recent Lead samples collected from 2016 through 2018 showed concentrations of 0.0 parts per billion.
The legal limit for lead is 15 parts per billion. Being well-below this level is a good thing.
- Concentrations between 3.8 ppb and 15 ppb put a formula-fed baby at risk of elevated blood lead levels. Read more about the symptoms of Lead in water.
There is no safe level of lead for humans.
- The good news is that 99.99% of the lead can be filtered out.
See the What Can You Do? section below to learn how to filter out contaminants.
Where does Cathedral City’s water come from?
Cathedral City’s water comes from the Cathedral Canyon – Whitewater River watershed.
There are no assessed waterbodies in the Cathedral Canyon – Whitewater River watershed.
Ideally, a water source would be Known and rated in Good condition.
Learn more from How’s My Waterway
See below for what you can do to improve Cathedral City’s water.
What Can You Do?
Information about water quality in Cathedral City can be surprising.
But there are things you can do in your home to clean up your water.
- Test Your Water using Varify Home Test Kits or similar.
- To Remove Lead and Other Contaminants In Your Home:
- Use Activated Carbon filters to remove most contaminants in your drinking water.
- To filter out even more contaminants, consider a Reverse Osmosis water filtration system for your house.
- These are typically more expensive than pitchers to purchase, but are much more effective.
- They have the benefit of filtering out heavy hitters like:
- Chromium (hexavalent)
- Haloacetic acids – HAA5 an HAA9
- Our recommendation: APEC Reverse Osmosis Systems
In Your Community:
Contact your local government officials and put pressure on them to invest in cleaner waterways and upgraded city water filtration and treatment.
Go to: https://www.cathedralcity.gov/ to find contact information for your local officials.