Rancho Cucamonga, California

Rancho Cucamonga, California Rancho Cucamonga, California

Water Quality in Rancho Cucamonga, California

Watershed: Upper Cucamonga Creek

What is the water quality like in Rancho Cucamonga, CA?

Let’s dive deeper into what’s in Rancho Cucamonga water.

What’s in Rancho Cucamonga water?

Here are the top 7 chemical compounds in your water and what health issues they can potentially cause:

  1. Arsenic – Potential effect: Cancer
  2. Bromodichloromethane – Potential effect: Cancer
  3. Chloroform – Potential effect: Cancer
  4. Haloacetic acids – Potential effect: Cancer
  5. Hexavalent Chromium – Potential effect: Cancer
  6. Total trihalomethanes – Potential effect: Cancer
  7. Uranium – Potential effect: Cancer

These are seven of the 30 contaminants analyzed by the Environmental Working Group (ewg.org).

17 of these contaminants are rated as exceeding EWG Health Guidelines.

See the What Can You Do? section below for all of the contaminants you can filter out and how to do it.

Where does Rancho Cucamonga’s water come from?

Rancho Cucamonga’s water comes from the Upper Cucamonga Creek watershed.

All 3 EPA assessed water sources in the Upper Cucamonga Creek watershed are in Impaired or Unknown condition. These include:

  • Cucamonga Creek Reaches 1 and 2 (Valley Reach and Mountain Reach)
  • Deer Creek

Ideally, a water source would be rated in Good condition.

Whether a water source is in Impaired or Good condition refers to the quality of these uses:

  1. Drinking Water
  2. Aquatic Life
  3. Fish and Shellfish Consumption
  4. Recreation

Learn more from How’s My Waterway

See below for what you can do to improve Rancho Cucamonga’s water.

Conclusion – What Can You Do?

Information about water quality can be surprising.

But there’s no reason to lose hope. There are things you can do in your household as well as things you can do at a community level.

In Your Household:

  • Use Berkey filters with activated carbon to filter out 24 of the 30 contaminants in your drinking water. (Berkey Light and Travel Berkey are the only types available in California.)
    • Berkey filters can also remove up to 99.99% of Lead in Rancho Cucamonga water.
    • Brita can filter 14 contaminants (and Lead depending on the filter).
    • Note: We may receive a commission if you decide to purchase filters through links on this page.
  • To filter out 27 of the 30 contaminants, consider a Reverse Osmosis water filtration system for your house.
    • These are more expensive than pitchers to purchase, but can be more effective.
    • They have the benefit of filtering out heavy hitters like:

*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.cityofrc.us/your-government to find contact information for your local officials.

Water Quality in Other California Cities

California Water Quality Page

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