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Water Hardness in 85623

Oracle, Arizona · Pinal County

250 PPM
14.6 GPG
Very Hard
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 17 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 17 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
17 verified treated-water sources
17 matched systems total for this ZIP; treated-water reports are prioritized when available.
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 85623

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.

17 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.
Arizona Water Co - Pinal Valley
AZ0411009
Very Hard
250 PPMgroundwater134,432 servedVerified — Annual Water Quality Report
Source water: 326 PPM
Epcor - San Tan
AZ0411128
Very Hard
250 PPMgroundwater87,435 servedVerified — Annual Water Quality Report
Source water: 651 PPM
Gw Santa Cruz Water Co
AZ0411131
Very Hard
250 PPMgroundwater84,000 servedVerified — Annual Water Quality Report
Source water: 354 PPM
Arizona Water Co - Apache Junction
AZ0411004
Very Hard
250 PPMgroundwater62,055 servedVerified — Annual Water Quality Report
Source water: 326 PPM
Lago Del Oro Water Company
AZ0411117
Very Hard
250 PPMgroundwater18,132 servedVerified — Annual Water Quality Report
Source water: 185 PPM
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

856182508573921985631251856192208573721985742220857042208571822085750220856542208574122085743220

What This Means For You

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

Very Hard Water - Treatment Strongly Recommended

Your water is very hard. Without treatment, you can expect significant scale buildup in pipes and appliances, higher energy bills from reduced water heater efficiency, and persistent issues with skin and hair dryness.

Recommended Products

Salt-Based Water Softener
Our PickAFWFilters Fleck 5600SXT 48KAlso GreatWhirlpool WHES40E 40KAlso GreatAFWFilters 64K GrainAlso GreatAFWFilters Iron Pro 2 64KAlso GreatSpringWell Filter + Softener Combo
Water Hardness Test Kit
Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)
Whole-House Water Filter
Our PickiSpring WGB32B 3-Stage
Water Softener Salt
Our PickMorton Clean & ProtectAlso GreatDiamond Crystal Bright & Soft
Shower Head Filter
Our PickWeddell DuoAlso GreatAquaBliss SF100Also GreatSprite Pure 7-SettingAlso GreatAqua Earth 20-Stage

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How to Test Your Water

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 Oracle, AZ (85623).

Submit Your Data

Frequently Asked Questions

Is the water hard in Oracle, AZ (85623)?

The average water hardness in 85623 is 250 PPM (14.6 GPG), which is classified as very hard.

Do I need a water softener in 85623?

With hardness of 250 PPM, a water softener is recommended for homes in 85623.

Is hard water in 85623 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 85623?

Zip code 85623 in Oracle, Arizona is served by 17 water systems.

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