Hardness
Very Hard
272 PPM · 15.9 GPG
Local water dashboard
Official source aggregationWater quality in Valle, AZ 86046
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Coconino County.
No active health-based violation reported
- Primary matched system
- Grand Canyon Junction Hydro
- Source water
- Groundwater
- County
- Coconino County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0 mg/L
0% of action level
Utility match
1 system
Serves 430 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
272 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
272
mg/L as CaCO₃ equivalent
Grains per gallon
15.9
1 GPG ≈ 17.1 PPM
What this means at home
At 272 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
67
Nearest site
29.2 mi
Observation range
Apr 8, 2016–May 20, 2025
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: B-20-03 11AAC1 (Well).USGS source documentation ↗
Regional context
Is 86046 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Valle median
272 PPM
About the same1 indexed ZIP readings · Range 272–272 PPM
Arizona median
241 PPM
31 PPM higher285 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 pass
Lead (PB90)
0 mg/L
Reported Dec 31, 2022
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 20
- Health-based
- 0
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | AZ0403084 | Unaddressed | Oct 1, 2025 |
| TTHM | AZ0403084 | Resolved | Jan 1, 2025through Dec 11, 2025 |
| Total Haloacetic Acids (HAA5) | AZ0403084 | Resolved | Jan 1, 2025through Dec 11, 2025 |
| Public Notice | AZ0403084 | Resolved | Oct 25, 2024through Nov 9, 2023 |
| Consumer Confidence Rule | AZ0403084 | Resolved | Oct 2, 2023through Mar 6, 2024 |
| Chlorine | AZ0403084 | Resolved | Oct 1, 2023through Dec 31, 2023 |
| Revised Total Coliform Rule | AZ0403084 | Resolved | Sep 1, 2023through Sep 30, 2023 |
| Public Notice | AZ0403084 | Resolved | Aug 11, 2023through Jun 30, 2023 |
| Lead and Copper Rule | AZ0403084 | Resolved | Jan 1, 2023through Jul 14, 2023 |
| Consumer Confidence Rule | AZ0403084 | Resolved | Oct 2, 2022through Dec 22, 2022 |
| Chlorine | AZ0403084 | Resolved | Oct 1, 2022through Dec 31, 2022 |
| Revised Total Coliform Rule | AZ0403084 | Resolved | Sep 1, 2022through Sep 30, 2022 |
| Revised Total Coliform Rule | AZ0403084 | Resolved | Jul 1, 2022through Jul 31, 2022 |
| Chlorine | AZ0403084 | Resolved | Jul 1, 2022through Sep 30, 2022 |
| Consumer Confidence Rule | AZ0403084 | Resolved | Jul 1, 2022through Jul 14, 2022 |
| Chlorine | AZ0403084 | Resolved | Apr 1, 2022through Jun 30, 2022 |
| Revised Total Coliform Rule | AZ0403084 | Resolved | Oct 1, 2021through Nov 22, 2021 |
| Revised Total Coliform Rule | AZ0403084 | Resolved | Sep 1, 2021through Sep 30, 2021 |
| Chlorine | AZ0403084 | Resolved | Jul 1, 2021through Sep 30, 2021 |
| Chlorine | AZ0403084 | Resolved | Jan 1, 2021through Mar 31, 2021 |
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 Valle ZIP 86046 using 272 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
272 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 systemsAffiliate 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 Valle
Is tap water safe in Valle?+
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
How hard is the water?+
Nearby USGS observations produce an estimate of 272 PPM, or 15.9 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 272 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.