Hardness
Very Hard
542 PPM · 31.7 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 Chaves County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
542 PPM · 31.7 GPG
Compliance screen
Review needed
3 active health-based records
Lead 90th percentile
0.007 mg/L
47% of action level
Utility match
4 systems
Serves 1,292 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
542 PPM
Parts per million
542
mg/L as CaCO₃ equivalent
Grains per gallon
31.7
1 GPG ≈ 17.1 PPM
What this means at home
At 542 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
27
Nearest site
20.9 mi
Observation range
Jul 20, 2016–Jun 30, 2025
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 17S.26E.08.432 (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.
Hagerman median
542 PPM
About the same1 indexed ZIP readings · Range 542–542 PPM
New Mexico median
228 PPM
314 PPM higher194 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)
0.007 mg/L
Reported Dec 31, 2025
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 0.007
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | NM3552803 | Resolved | Jun 29, 2025through Oct 22, 2025 |
| Groundwater RuleHealth-based | NM3552803 | Unaddressed | Apr 18, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NM3552803 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | NM3552803 | Unaddressed | Oct 17, 2024 |
| Public Notice | NM3519903 | Unaddressed | Oct 12, 2024 |
| Consumer Confidence Rule | NM3510403 | Resolved | Jul 1, 2022through Oct 6, 2022 |
| Consumer Confidence Rule | NM3552803 | Resolved | Jul 1, 2022through Oct 13, 2022 |
| Consumer Confidence Rule | NM3519803 | Resolved | Jul 1, 2022through Oct 11, 2022 |
| Public Notice | NM3552803 | Resolved | Apr 24, 2022through Oct 14, 2022 |
| Public Notice | NM3552803 | Resolved | Apr 21, 2022through Jul 27, 2023 |
| Public Notice | NM3552803 | Resolved | Jan 26, 2022through Jul 27, 2023 |
| Public Notice | NM3552803 | Resolved | Jan 23, 2022through Jul 27, 2023 |
| Public Notice | NM3552803 | Resolved | Dec 19, 2021through Jul 27, 2023 |
| Public Notice | NM3552803 | Resolved | Nov 18, 2021through Jul 27, 2023 |
| Revised Total Coliform Rule | NM3519903 | Resolved | Aug 1, 2021through Aug 31, 2021 |
| Revised Total Coliform Rule | NM3552803 | Resolved | Aug 1, 2021through Aug 31, 2021 |
| Chlorine | NM3519903 | Resolved | Jul 1, 2021through Sep 8, 2021 |
| Chlorine | NM3552803 | Resolved | Jul 1, 2021through Sep 27, 2021 |
| Public Notice | NM3552803 | Resolved | Apr 16, 2021through Jun 8, 2021 |
| Public Notice | NM3552803 | Resolved | Mar 21, 2021through Apr 19, 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
Matched to Hagerman ZIP 88232 using 542 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
542 PPM is 5× 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, LEAD AND COPPER RULE REVISIONS have 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 542 PPM, or 31.7 grains per gallon, classified as very hard. This is not a household tap measurement.
At 542 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.