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Water Hardness in 85602

Benson, Arizona · Cochise County

143 PPM
8.4 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 8 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 8 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
7 USGS-backed sources
8 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 85602

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

8 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Bella Vista City Water System
AZ0402010
Moderately Hard
165 PPMgroundwater20,045 servedHigh Confidence — USGS Monitoring
Douglas City Of
AZ0402014
Soft
13 PPMgroundwater16,656 servedEstimated — Nearby Data
Us Army Fort Huachuca
AZ0402078
Hard
188 PPMgroundwater15,603 servedHigh Confidence — USGS Monitoring
Pueblo Del Sol Water Company
AZ0402044
Moderately Hard
165 PPMgroundwater12,804 servedHigh Confidence — USGS Monitoring
Benson, City Of Water System
AZ0402005
Hard
241 PPMgroundwater5,355 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Benson, AZ (85602).

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Frequently Asked Questions

Is the water hard in Benson, AZ (85602)?

The average water hardness in 85602 is 143 PPM (8.4 GPG), which is classified as moderately hard.

Do I need a water softener in 85602?

With hardness of 143 PPM, a water softener is worth considering for homes in 85602.

Is hard water in 85602 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 85602?

Zip code 85602 in Benson, Arizona is served by 8 water systems.

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