Tracy, California

Tracy, California Tracy, California

Water Quality in Tracy, California

Watershed: Lower Old River

What is the water quality like in Tracy, CA?

Let’s dive deeper into what’s in Tracy water.

What’s in Tracy water?

Here are the top 5 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. Nitrate – Potential effect: Cancer
  7. Total trihalomethanes – Potential effect: Cancer

These are five of the 25 contaminants analyzed by the Environmental Working Group (ewg.org).

14 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 Tracy’s water come from?

Tracy’s water comes from the Lower Old River watershed.

All 12 EPA assessed water sources in the Lower Old River watershed are in Impaired or Unknown condition. These include:

  • Clifton Court
  • Delta Waterways – three segments
  • Grant Line Canal – three segments
  • Mountain House Creek
  • Old River – two segments
  • Tom Paine Slough
  • Victoria Canal

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 Tracy’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 19 of the 25 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 Tracy water.
    • Brita can filter 11 (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 22 of the 25 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.ci.tracy.ca.us/ to find contact information for your local officials.

Water Quality in Other California Cities

California Water Quality Page

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