What is the Water Quality in Rocklin, California?
[Updated: June 10, 2023]
Compared to other US cities, Rocklin water quality ranks in the middle range for contamination excluding Lead.
Most of their 19 contaminants have cancer-causing attributes.
- Arsenic is at very high levels: 53x health guidelines.
- Haloacetic acids (HAA5) are at extremely high levels: 405x health guidelines.
- Haloacetic acids (HAA9) are at extremely high levels: 468x health guidelines.
- These are both byproducts of the chlorine treatment process most water supplies go through.
Let’s look closer at what’s in Rocklin water.
What’s in Rocklin water?
Here are the top 5 chemical compounds in your water and what health issues they can potentially cause:
- Bromodichloromethane – Potential effect: Cancer
- Chloroform – Potential effect: Cancer
- Hexavalent Chromium – Potential effect: Cancer
- Haloacetic acids (HAA5) – Potential effect: Cancer
- Total trihalomethanes – Potential effect: Cancer
These are five of the 19 contaminants analyzed by the Environmental Working Group (ewg.org).
9 of these contaminants are rated as exceeding EWG Health Guidelines.
Does Rocklin have Lead contamination?
No, Rocklin does not currently have lead in its water. The most recent Lead samples collected from 2014 through 2016 showed concentrations of 0.0 parts per billion (ppb).
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 removed.
See the What Can You Do? section below to learn how to filter out contaminants.
Where does Rocklin’s water come from?
Rocklin’s water comes from the Antelope Creek watershed.
The only EPA assessed water source in the Antelope Creek watershed is in Good condition. This is Antelope Creek itself.
Whether a water source is in Impaired or Good condition refers to the quality of these uses:
- Drinking Water
- Aquatic Life
- Fish and Shellfish Consumption
Learn more from How’s My Waterway
See below for what you can do to improve Rocklin’s water.
Conclusion – What Can You Do?
Information about water quality in Rocklin 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 whole home.
- These are more expensive than pitchers to purchase, but can be more effective.
- They have the benefit of filtering out heavy hitters like:
- Our recommendation: APEC Reverse Osmosis Systems
*Chlorination is an effective method of disinfecting/treating drinking water. You can then use a water filter to reduce the effects of chlorination byproducts to get the safest, cleanest water possible.
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.rocklin.ca.us/government to find contact information for your local officials.