WaterQ

Oregon City, OR vs Pleasant Hill, OR

Which City Has Better Water Quality?

Oregon City, OR and Pleasant Hill, OR currently share an identical average WaterQ score, each scoring 100 out of 100. Both cities currently carry an A grade overall. Because a WaterQ score is an aggregate across all public water systems serving a city, near-identical scores can still mask differences at the system level, so residents of either city should review their specific water system's record for the most relevant detail.

Oregon City, OR is the larger of the two, with 32,740 more residents than Pleasant Hill, yet both cities are served by the same number of public water systems (1). 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 Oregon City or Pleasant Hill, 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 Oregon City or Pleasant Hill 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 Oregon City Pleasant Hill
Water Quality Score 100 100
Grade A A
Water Systems 1 1
Population 33,940 1,200
County
State OR OR

Analysis

Similar Scores
Marginal difference
📊
Population Difference
Oregon City has 0.0M more people
🏢
More Water Systems
Pleasant Hill has 0 more system(s)
Sponsored
Ad Space

Related city comparisons

Frequently asked questions

Which city has better tap water quality: Oregon City or Pleasant Hill?

Oregon City and Pleasant Hill currently have similar overall WaterQ scores. Review each city page for recent test and violation details.

How are Oregon City and Pleasant Hill 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 Oregon City and Pleasant Hill?

Use the city detail pages to see water systems, score breakdowns, and trend context for Oregon City, OR and Pleasant Hill, OR.