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City water profile

Benson water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Benson, Arizona.

Median indexed hardness

245PPM

2 indexed ZIPs

Range 245–245 PPM

State comparison
4 PPM above
State hardness rank
#62 of 133
Matched utilities
5
Active health records
1

City summary

What the indexed records say

Benson has 2 published ZIP profiles across Cochise County. The indexed median is 245 PPM, compared with 241 PPM across Arizona.

Among the 133 Arizonacities with an indexed median, Benson ranks #62from highest to lowest. Across all 285 state ZIP profiles, available estimates run from 66.4to 1250 PPM.

The 245–245 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

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard2 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
41.3 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: Jan 11, 2016 to Mar 31, 2026.

ZIP directory

Water reports in Benson

Open a ZIP for site-level provenance and measurements.

ZIP code

85602

Very Hard

245 PPM

Nearest site
41.3 mi
Confidence
Low

View full ZIP evidence →

ZIP code

85630

Very Hard

245 PPM

Nearest site
36.4 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Benson, City Of Water System

PWSID AZ0402005

Groundwater
System population served
5,355
Last reported
May 14, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Mescal Lakes Water System

PWSID AZ0402052

Groundwater
System population served
1,390
Last reported
May 14, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Willow Lakes Property Owners Assoc

PWSID AZ0402042

Groundwater
System population served
190
Last reported
May 14, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Whetstone Ranch Water System

PWSID AZ0402125

Groundwater
System population served
183
Last reported
May 14, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Empirita Water Company

PWSID AZ0402122

Groundwater
System population served
120
Last reported
May 14, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Revised Total Coliform RuleAZ0402125Feb 1, 2026Archived
Lead and Copper RuleAZ0402005Jan 1, 2026Resolved
Public NoticeAZ0402005Oct 19, 2025Resolved
Public NoticeAZ0402042Oct 17, 2025Resolved
Consumer Confidence RuleAZ0402042Oct 2, 2025Unaddressed
Consumer Confidence RuleAZ0402042Jul 1, 2025Unaddressed
Public NoticeAZ0402042Dec 20, 2024Unaddressed
Public NoticeAZ0402125Dec 20, 2024Resolved
Public NoticeAZ0402122Dec 20, 2024Resolved
LEAD AND COPPER RULE REVISIONSAZ0402042Oct 17, 2024Resolved

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 Benson

Is the water hard?

The indexed city median is 245 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.