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City water profile

Banks water quality

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

Median indexed hardness

30PPM

One indexed ZIP

Range 29.6–29.6 PPM

State comparison
1 PPM above
State hardness rank
#9 of 21
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Banks has 1 published ZIP profile across Washington County. The indexed median is 30 PPM, compared with 29 PPM across Oregon.

Among the 21 Oregoncities with an indexed median, Banks ranks #9from highest to lowest. Across all 56 state ZIP profiles, available estimates run from 15.7to 78.9 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft1 ZIP
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
3.8 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 5, 2016 to May 19, 2026.

ZIP directory

Water reports in Banks

Open a ZIP for site-level provenance and measurements.

ZIP code

97106

Soft

29.6 PPM

Nearest site
3.8 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Banks Water Department

PWSID OR4100076

Surface water
System population served
2,070
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.

RecordSystemPeriodStatus
Interim Enhanced Surface Water Treatment RuleOR4100076Mar 1, 2023Resolved
Surface Water Treatment RuleOR4100076Mar 1, 2023Resolved
Surface Water Treatment RuleOR4100076Mar 1, 2023Resolved
Surface Water Treatment RuleOR4100076Dec 1, 2022Resolved · health-based

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 Banks

Is the water hard?

The indexed city median is 30 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.