Hardness
Very Hard
245 PPM · 14.3 GPG
Local water dashboard
Official source aggregationWater quality in Chino Valley, AZ 86323
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Yavapai County.
2 active health-based violations
- Primary matched system
- Chino Valley Town Of
- Source water
- Groundwater
- County
- Yavapai County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
2 active health-based records
Lead 90th percentile
0 mg/L
0% of action level
Utility match
10 systems
Serves 2,742 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
245 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
245
mg/L as CaCO₃ equivalent
Grains per gallon
14.3
1 GPG ≈ 17.1 PPM
What this means at home
At 245 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
25
Nearest site
0.9 mi
Observation range
Jun 27, 2016–May 1, 2024
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: B-16-01 07CBD1 (Well).USGS source documentation ↗
Regional context
Is 86323 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Chino Valley median
245 PPM
About the same1 indexed ZIP readings · Range 245–245 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, 2027
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
Arsenic
Measured in MG/L
Local 0.011
EPA limit 0.01
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 104
- Health-based
- 17
- Active health-based
- 2
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | AZ0413079 | Unaddressed | Jan 1, 2026 |
| Lead and Copper Rule | AZ0413208 | Unaddressed | Jan 1, 2026 |
| Chlorine | AZ0413263 | Resolved | Nov 1, 2025through Nov 30, 2025 |
| Consumer Confidence Rule | AZ0413079 | Unaddressed | Oct 2, 2025 |
| Consumer Confidence Rule | AZ0413208 | Unaddressed | Oct 2, 2025 |
| Consumer Confidence Rule | AZ0413487 | Unaddressed | Oct 2, 2025 |
| Lead and Copper Rule | AZ0413487 | Resolved | Oct 1, 2025through Mar 30, 2026 |
| LEAD AND COPPER RULE REVISIONS | AZ0413263 | Resolved | Jul 2, 2025through Mar 13, 2026 |
| LEAD AND COPPER RULE REVISIONS | AZ0413077 | Unaddressed | Jul 2, 2025 |
| LEAD AND COPPER RULE REVISIONS | AZ0413307 | Unaddressed | Jul 2, 2025 |
| Chlorine | AZ0413137 | Resolved | Jul 1, 2025through Jul 31, 2025 |
| Consumer Confidence Rule | AZ0413079 | Resolved | Jul 1, 2025through Nov 5, 2025 |
| Consumer Confidence Rule | AZ0413208 | Unaddressed | Jul 1, 2025 |
| Consumer Confidence Rule | AZ0413487 | Unaddressed | Jul 1, 2025 |
| Lead and Copper Rule | AZ0413487 | Unaddressed | Apr 3, 2025 |
| ArsenicHealth-basedReported 0.011 MG/L · MCL 0.01 | AZ0413487 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| Public Notice | AZ0413487 | Resolved | Mar 11, 2025through May 27, 2025 |
| Public Notice | AZ0413487 | Resolved | Feb 20, 2025through May 27, 2025 |
| ArsenicHealth-basedReported 0.017 MG/L · MCL 0.01 | AZ0413487 | Resolved | Jan 1, 2025through Mar 31, 2025 |
| Public Notice | AZ0413487 | Resolved | Dec 27, 2024through May 27, 2025 |
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 Chino Valley ZIP 86323 using 245 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
245 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
Arsenic 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 Chino Valley
Is tap water safe in Chino Valley?+
EPA ECHO reports 2 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 245 PPM, or 14.3 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 245 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.