Water Quality in Gresham, Oregon
Watershed: Columbia Slough – Frontal Columbia River
What is the water quality like in Gresham, OR?
Let’s dive deeper into what’s in Gresham water.
What’s in Gresham water?
Here are the top 2 chemical compounds in your water and what health issues they can potentially cause:
- Haloacetic acids – Potential effect: Cancer
- Total trihalomethanes – Potential effect: Cancer
These are two of the 6 contaminants analyzed by the Environmental Working Group (ewg.org).
These 2 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 Gresham’s water come from?
Gresham’s water comes from the Columbia Slough – Frontal Columbia River watershed.
There are no EPA assessed water sources in the Columbia Slough – Frontal Columbia River watershed for Gresham
Ideally, a water source would be Known, Assessed, and rated in Good condition.
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 Gresham’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 5 of the 6 contaminants in your drinking water.
- To filter out 4 of the 6 contaminants in your whole house, consider a Reverse Osmosis water filtration system for your home.
*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://greshamoregon.gov/ to find contact information for your local officials.