Lakewood, Colorado

Lakewood, Colorado Lakewood, Colorado

Water Quality in Lakewood, Colorado

Watershed: 101900020904

What is the water quality like in Lakewood, CO?

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

What’s in Lakewood water?

Here are the top 6 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. Radium – Potential effect: Cancer
  6. Total trihalomethanes – Potential effect: Cancer

These are six of the 31 contaminants analyzed by the Environmental Working Group (

10 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 Lakewood’s water come from?

Lakewood’s water comes from the 101900020904 watershed.

15 of the 19 EPA assessed water sources in the 101900020904 watershed are in Impaired or Unknown condition. These include:

  • Aqua Golf
  • Barnum Lake
  • Bear Creek
  • Garfield Lake
  • Harvey Lake
  • Houston Lake
  • Overland Lake
  • Sloan’s Lake
  • Smith Lake
  • South Platte River – mainstem and all tributaries
  • Vanderbilt Lake

Ideally, a water source would be rated in Good condition. Bowles Lake, Grasmere Lake, Lakewood Gulch, and Lee Gulch are all 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 Lakewood’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 27 of the 31 contaminants in your drinking water.
    • Berkey filters can also remove up to 99.99% of Lead in Lakewood 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 29 of the 31 contaminants, consider a Reverse Osmosis water filtration system for your house.

*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: to find contact information for your local officials.

Water Quality in Other Colorado Cities

Colorado Water Quality Page

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