Grants Pass, OR vs Beaverton, OR
Which City Has Better Water Quality?
When comparing tap water quality between Grants Pass, OR and Beaverton, OR, Grants Pass currently holds a noticeable 5-point lead in average WaterQ score, with a score of 90 out of 100 versus 85 for Beaverton. Grants Pass, OR carries an A grade while Beaverton, OR carries a B. A WaterQ score reflects an aggregate of EPA-reported violations, monitoring data, and compliance history across all public water systems serving each city, so a higher score generally indicates fewer recent violations and a stronger compliance record, though it does not guarantee that every tap in the city tests identically.
Beaverton, OR is the larger of the two, with 275,319 more residents than Grants Pass, yet both cities are served by the same number of public water systems (3). This means the difference in population is handled by systems of different scale rather than a different count of utilities — larger systems generally serve more connections and may have more monitoring requirements under the Safe Drinking Water Act.
For residents of either Grants Pass or Beaverton, the most useful next step is to look up the specific water system that serves your address, since city-wide averages combine results from every system in the area. Visit the Grants Pass or Beaverton city pages below for a breakdown of local systems, recent violations, and contaminant-specific data, or browse WaterQ's contaminants directory to learn what each measured substance means for health.
Detailed Comparison
| Metric | Grants Pass | Beaverton |
|---|---|---|
| Water Quality Score | 90 | 85 |
| Grade | A | B |
| Water Systems | 3 | 3 |
| Population | 40,989 | 316,308 |
| County | ||
| State | OR | OR |
Analysis
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Frequently asked questions
Which city has better tap water quality: Grants Pass or Beaverton?
Grants Pass currently has the higher WaterQ score (90/100). Check each city page for system-level details and recent violations.
How are Grants Pass and Beaverton water scores calculated?
WaterQ scores are based on EPA-reported drinking water data, including contaminant detections, violations, and compliance records across local systems.
Where can I view full reports for Grants Pass and Beaverton?
Use the city detail pages to see water systems, score breakdowns, and trend context for Grants Pass, OR and Beaverton, OR.