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City water profile

Eugene water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Eugene, Oregon.

Median indexed hardness

19PPM

5 indexed ZIPs

Range 18.4–19 PPM

State comparison
10 PPM below
State hardness rank
#20 of 21
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Eugene has 5 published ZIP profiles across Lane County. The indexed median is 19 PPM, compared with 29 PPM across Oregon.

Among the 21 Oregoncities with an indexed median, Eugene ranks #20from highest to lowest. Across all 56 state ZIP profiles, available estimates run from 15.7to 78.9 PPM.

The 18.4–19 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft5 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

5 of 5 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
25.7 miles
Profiles with evidence
5/5

Confidence labels

High: 0Moderate: 2Low: 3

Observation window: Jan 5, 2016 to Mar 24, 2026.

ZIP directory

Water reports in Eugene

Open a ZIP for site-level provenance and measurements.

ZIP code

97401

Soft

19 PPM

Nearest site
25.7 mi
Confidence
Low

View full ZIP evidence →

ZIP code

97402

Soft

18.4 PPM

Nearest site
33.3 mi
Confidence
Low

View full ZIP evidence →

ZIP code

97403

Soft

19 PPM

Nearest site
25 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

97405

Soft

18.4 PPM

Nearest site
31.9 mi
Confidence
Low

View full ZIP evidence →

ZIP code

97408

Soft

19 PPM

Nearest site
24.1 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Eugene Water & Electric Board

PWSID OR4100287

Surface water
System population served
176,000
Last reported
Jun 26, 2026

A municipal system, in-state city, and served county all agree with this Census ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

No violation records are included in the current lookback window.

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Eugene

Is the water hard?

The indexed city median is 19 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.