Stillwater, Oklahoma

Stillwater, Oklahoma Stillwater, Oklahoma

Water Quality in Stillwater, Oklahoma

What is the water quality in Stillwater?

Compared to other US cities over 50,000, Stillwater water quality ranks in the mid range for contamination excluding Lead.

Most of their 25 contaminants have cancer-causing attributes.

Let’s look closer at what’s in Stillwater’s water.

What’s in Stillwater water?

Here are the top 5 chemical compounds in your water and what health issues they can potentially cause:

  1. Bromodichloromethane – Potential effect: Cancer
  2. Chloroform – Potential effect: Cancer
  3. Hexavalent Chromium – Potential effect: Cancer
  4. Haloacetic acids (HAA5) – Potential effect: Cancer
  5. Radium – Potential effect: Cancer

These are five of the 25 contaminants analyzed by the Environmental Working Group (

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

Does Stillwater have Lead contamination?

No, it does not currently have a lead problem. Lead samples collected in Stillwater from 2016 through 2018 had concentrations of 0.0 parts per billion.

This is very low compared to the legal limit of 15 parts per billion.

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 for all of the contaminants you can filter out and how to do it.

Where does Stillwater’s water come from?

Stillwater’s water comes from the Boomer Lake – Stillwater Creek watershed.

All eight (8) waterbodies in the Boomer Lake – Stillwater Creek watershed are in Impaired or Unknown condition.

The four Impaired waterbodies are:

  • Boomer Creek
  • Boomer Lake
  • Sanborn-Hazen Lake Creek
  • Stillwater Creek

Ideally, a water source would be rated in Good condition. See below for what you can do to improve Stillwater’s water.

Learn more from How’s My Waterway here

Conclusion – What Can You Do?

Information about water quality in Stillwater, Oklahoma 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:
Take Control of Your Water with Berkey Filters

  • Use Berkey filters with activated carbon to filter out over 90% of contaminants in your drinking water.
    • Berkey filters can also remove up to 99.99% of Lead in Stillwater’s water.
    • Brita can filter 13 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 in your whole house, consider a Reverse Osmosis water filtration system.
    • These are typically more expensive than pitchers to purchase, but may require fewer filter changes over time.
    • They have the benefit of filtering out heavy hitters like:
      • Chromium (hexavalent)
      • Molybdenum
      • Nitrate
      • Radium
      • Strontium

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 Oklahoma Cities

Oklahoma Water Quality Page

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