Hardness
Very Hard
241 PPM · 14.1 GPG
Local water dashboard
Official source aggregationWater quality in Kearny, AZ 85137
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Pinal County.
3 active health-based violations
- Primary matched system
- Kearny Town Of
- Source water
- Groundwater
- County
- Pinal County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
3 active health-based records
Lead 90th percentile
0 mg/L
0% of action level
Utility match
4 systems
Serves 1,950 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
241 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
241
mg/L as CaCO₃ equivalent
Grains per gallon
14.1
1 GPG ≈ 17.1 PPM
What this means at home
At 241 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.
USGS sites used
16
Nearest site
55.8 mi
Observation range
Jan 11, 2016–Sep 13, 2018
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: D-13-12 03BCC1 (Well).USGS source documentation ↗
Regional context
Is 85137 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Kearny median
241 PPM
About the same1 indexed ZIP readings · Range 241–241 PPM
Arizona median
241 PPM
About the same285 indexed ZIP readings · Range 66.4–1250 PPM
EPA benchmark screen
Contaminant snapshot
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
1 pass1 fail
Lead (PB90)
0 mg/L
Reported Dec 31, 2026
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0
EPA limit 0.015
TTHM
Measured in MG/L
Local 0.094
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 64
- Health-based
- 7
- Active health-based
- 3
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | AZ0411315 | Resolved | Jan 1, 2026through Mar 19, 2026 |
| Revised Total Coliform Rule | AZ0411022 | Resolved | Nov 1, 2025through Jan 8, 2026 |
| Public Notice | AZ0411022 | Resolved | Oct 18, 2025through Dec 29, 2025 |
| Public Notice | AZ0411315 | Unaddressed | Oct 18, 2025 |
| LEAD AND COPPER RULE REVISIONS | AZ0411031 | Resolved | Jul 2, 2025through Feb 24, 2026 |
| Consumer Confidence Rule | AZ0411022 | Resolved | Jul 1, 2025through Oct 9, 2025 |
| Public Notice | AZ0411022 | Resolved | Dec 20, 2024through Dec 29, 2025 |
| Public Notice | AZ0411315 | Unaddressed | Dec 20, 2024 |
| Revised Total Coliform Rule | AZ0411022 | Resolved | Nov 1, 2024through Dec 18, 2024 |
| LEAD AND COPPER RULE REVISIONS | AZ0411022 | Resolved | Oct 17, 2024through Mar 5, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | AZ0411022 | Resolved | Oct 17, 2024through Mar 5, 2025 |
| LEAD AND COPPER RULE REVISIONS | AZ0411315 | Resolved | Oct 17, 2024through Mar 5, 2026 |
| LEAD AND COPPER RULE REVISIONSHealth-based | AZ0411315 | Resolved | Oct 17, 2024through Mar 5, 2026 |
| Consumer Confidence Rule | AZ0411381 | Resolved | Jul 1, 2024through Oct 10, 2024 |
| TTHM | AZ0411031 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Total Haloacetic Acids (HAA5) | AZ0411031 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Lead and Copper Rule | AZ0411022 | Resolved | Nov 30, 2023through Feb 13, 2025 |
| Public Notice | AZ0411022 | Resolved | Nov 26, 2023through Jan 17, 2024 |
| Public Notice | AZ0411381 | Resolved | Nov 26, 2023through Jan 22, 2024 |
| Consumer Confidence Rule | AZ0411022 | Resolved | Oct 2, 2023through Nov 29, 2023 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Your personalized water action plan
Matched to Kearny ZIP 85137 using 241 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
241 PPM is 2× the high-hardness trigger used by this matcher.
Designed to reduce scale on fixtures, water heaters, glassware, and plumbing throughout the home.
Compare whole-house systemsDrinking water protection
Under-Sink Reverse Osmosis System
TTHM has a measured benchmark flag or active health-based SDWIS record in this profile.
A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.
Explore under-sink filtrationAffiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.
Frequently asked
Water questions for Kearny
Is tap water safe in Kearny?+
EPA ECHO reports 3 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
How hard is the water?+
Nearby USGS observations produce an estimate of 241 PPM, or 14.1 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 241 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.