Hardness
Very Hard
209 PPM · 12.2 GPG
Local water dashboard
Official source aggregationA source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Quay County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
209 PPM · 12.2 GPG
Compliance screen
Review needed
3 active health-based records
Lead 90th percentile
0 mg/L
0% of action level
Utility match
1 system
Serves 59 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
209 PPM
Parts per million
209
mg/L as CaCO₃ equivalent
Grains per gallon
12.2
1 GPG ≈ 17.1 PPM
What this means at home
At 209 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
23
Nearest site
33.5 mi
Observation range
Jun 20, 2016–May 26, 2021
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: LL-07-03-101 (Well).USGS source documentation ↗
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Nara Visa median
209 PPM
About the same1 indexed ZIP readings · Range 209–209 PPM
New Mexico median
228 PPM
19 PPM lower194 indexed ZIP readings · Range 74.2–688.5 PPM
EPA benchmark screen
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
Lead (PB90)
0 mg/L
Reported Dec 31, 2026
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.
Measured in mg/L
Local 0
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Groundwater RuleHealth-based | NM3535320 | Unaddressed | Nov 21, 2025 |
| Groundwater RuleHealth-based | NM3535320 | Unaddressed | Nov 21, 2025 |
| Groundwater RuleHealth-based | NM3535320 | Unaddressed | Nov 21, 2025 |
| Public Notice | NM3535320 | Resolved | Aug 21, 2025through Jan 27, 2026 |
| Public Notice | NM3535320 | Resolved | Jun 4, 2025through Oct 2, 2025 |
| Public Notice | NM3535320 | Unaddressed | Nov 15, 2024 |
| Public Notice | NM3535320 | Resolved | Apr 27, 2024through Apr 30, 2024 |
| Public Notice | NM3535320 | Resolved | Apr 27, 2024through Apr 30, 2024 |
| Public Notice | NM3535320 | Resolved | Apr 27, 2024through Jul 9, 2024 |
| Public Notice | NM3535320 | Resolved | Mar 21, 2024through Apr 5, 2024 |
| Public Notice | NM3535320 | Resolved | Mar 3, 2024through Apr 5, 2024 |
| Public Notice | NM3535320 | Resolved | Jan 21, 2024through Apr 5, 2024 |
| Revised Total Coliform Rule | NM3535320 | Resolved | Jan 1, 2024through Jan 31, 2024 |
| Chlorine | NM3535320 | Resolved | Jan 1, 2024through Mar 31, 2024 |
| Public Notice | NM3535320 | Resolved | Dec 31, 2023through Apr 5, 2024 |
| Revised Total Coliform Rule | NM3535320 | Resolved | Dec 1, 2023through Dec 31, 2023 |
| Revised Total Coliform Rule | NM3535320 | Resolved | Nov 1, 2023through Nov 30, 2023 |
| Lead and Copper Rule | NM3535320 | Resolved | Oct 1, 2023through Sep 26, 2024 |
| Consumer Confidence Rule | NM3535320 | Resolved | Oct 1, 2023through Apr 5, 2024 |
| Revised Total Coliform Rule | NM3535320 | Resolved | Oct 1, 2023through Oct 31, 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
Matched to Nara Visa ZIP 88430 using 209 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
209 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
Groundwater Rule 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
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.
Nearby USGS observations produce an estimate of 209 PPM, or 12.2 grains per gallon, classified as very hard. This is not a household tap measurement.
At 209 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.