B78/100
Beaverton Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 316,308 residents · Oregon
What's In Beaverton's Tap Water?
77
Contaminants Tested
1
Exceed EPA Limits
2
Above EPA Goals
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.41 mg/L | 1.30 mg/L | Over Limit |
chlorate | 260.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2001.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
BEAVERTON, CITY OF
Population Served
88,045
Water Source
Purchased Surface Water
System ID
OR4100081
NORTH PLAINS WATER DEPARTMENT
Population Served
3,663
Water Source
Purchased Surface Water
System ID
OR4100576
TUALATIN VALLEY WATER DISTRICT
Population Served
224,600
Water Source
Purchased Surface Water
System ID
OR4100665
Frequently Asked Questions About Beaverton Water
Is Beaverton tap water safe to drink?
Beaverton, Oregon tap water receives a grade of B (78/100), which is considered good. Out of 77 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 3 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Beaverton's water?
Of the 77 contaminants tested in Beaverton's water supply, the most notable include Copper (90th percentile), Lead (90th percentile), chlorate. 1 contaminant(s) exceed EPA legal limits (MCLs). 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Beaverton have any water quality violations?
Yes, Beaverton has 47 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, MON. None of these are classified as health-based violations.
Do I need a water filter in Beaverton?
Based on EPA data, using a water filter in Beaverton is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Beaverton's tap water come from?
Beaverton's drinking water is sourced from purchased surface water and supplied by BEAVERTON, CITY OF and 2 other water system(s). The system serves approximately 316,308 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Beaverton's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Beaverton's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Beaverton's water compare to other cities in Oregon?
Beaverton's water quality score of 78/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Oregon state page to see how all cities in the state compare.
What should I do if I'm concerned about Beaverton's water quality?
If you have concerns about Beaverton's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (BEAVERTON, CITY OF) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.