Hardness
Very Hard
438 PPM · 25.6 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 Lincoln County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
438 PPM · 25.6 GPG
Compliance screen
Review needed
7 active health-based records
Lead 90th percentile
0.002 mg/L
13% of action level
Utility match
1 system
Serves 1,136 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
438 PPM
Parts per million
438
mg/L as CaCO₃ equivalent
Grains per gallon
25.6
1 GPG ≈ 17.1 PPM
What this means at home
At 438 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
81
Nearest site
22.7 mi
Observation range
Jul 3, 2016–Sep 19, 2024
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 09S.14E.29.241 WEST PASTURE WELL (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.
Carrizozo median
438 PPM
About the same1 indexed ZIP readings · Range 438–438 PPM
New Mexico median
228 PPM
210 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)
0.002 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 0.002
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | NM3512614 | Resolved | Jan 1, 2026through Jan 29, 2026 |
| Revised Total Coliform Rule | NM3512614 | Resolved | Dec 1, 2025through Dec 31, 2025 |
| Chlorine | NM3512614 | Resolved | Dec 1, 2025through Dec 31, 2025 |
| Public Notice | NM3512614 | Unaddressed | Oct 26, 2025 |
| Public Notice | NM3512614 | Resolved | Jul 23, 2025through Feb 18, 2026 |
| Consumer Confidence Rule | NM3512614 | Resolved | Jul 1, 2025through Jan 18, 2026 |
| Public Notice | NM3512614 | Resolved | May 17, 2025through Feb 18, 2026 |
| Revised Total Coliform Rule | NM3512614 | Resolved | Mar 1, 2025through Mar 31, 2025 |
| Chlorine | NM3512614 | Resolved | Mar 1, 2025through Mar 31, 2025 |
| Public Notice | NM3512614 | Resolved | Feb 14, 2025through Aug 6, 2025 |
| Public Notice | NM3512614 | Resolved | Jan 2, 2025through Feb 18, 2026 |
| Consumer Confidence Rule | NM3512614 | Resolved | Oct 1, 2024through Feb 19, 2026 |
| Groundwater RuleHealth-based | NM3512614 | Unaddressed | Sep 12, 2024 |
| Groundwater RuleHealth-based | NM3512614 | Unaddressed | Sep 12, 2024 |
| Groundwater RuleHealth-based | NM3512614 | Unaddressed | Sep 12, 2024 |
| Groundwater RuleHealth-based | NM3512614 | Resolved | Sep 12, 2024through Feb 18, 2026 |
| Groundwater RuleHealth-based | NM3512614 | Resolved | Sep 12, 2024through Feb 18, 2026 |
| Groundwater RuleHealth-based | NM3512614 | Unaddressed | Sep 12, 2024 |
| Groundwater RuleHealth-based | NM3512614 | Unaddressed | Sep 12, 2024 |
| Groundwater RuleHealth-based | NM3512614 | Resolved | Sep 12, 2024through Feb 18, 2026 |
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 Carrizozo ZIP 88301 using 438 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
438 PPM is 4× 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 7 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 438 PPM, or 25.6 grains per gallon, classified as very hard. This is not a household tap measurement.
At 438 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.