Hardness
Very Hard
229 PPM · 13.4 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 Santa Fe County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
229 PPM · 13.4 GPG
Compliance screen
Review needed
3 active health-based records
Lead 90th percentile
0.0013 mg/L
9% of action level
Utility match
3 systems
Serves 8,500 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
229 PPM
Parts per million
229
mg/L as CaCO₃ equivalent
Grains per gallon
13.4
1 GPG ≈ 17.1 PPM
What this means at home
At 229 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
135
Nearest site
11.2 mi
Observation range
Jan 15, 2016–Jan 29, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 09N.06E.30.123 WELL 10 (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.
Edgewood median
233 PPM
About the same2 indexed ZIP readings · Range 229–237 PPM
New Mexico median
228 PPM
About the same194 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)
0.0013 mg/L
Reported Jun 30, 2026
Copper (CU90)
1.4 mg/L
Reported Dec 31, 2016
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0013
EPA limit 0.015
Measured in mg/L
Local 1.4
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | NM3524830 | Unaddressed | Sep 29, 2025 |
| Public Notice | NM3524830 | Resolved | Mar 23, 2025through May 1, 2025 |
| Groundwater RuleHealth-based | NM3524830 | Unaddressed | Jan 23, 2025 |
| Groundwater RuleHealth-based | NM3524830 | Unaddressed | Jan 23, 2025 |
| Groundwater RuleHealth-based | NM3524830 | Unaddressed | Jan 23, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NM3524830 | Resolved | Oct 17, 2024through May 20, 2025 |
| LEAD AND COPPER RULE REVISIONS | NM3524830 | Resolved | Oct 17, 2024through May 20, 2025 |
| Lead and Copper Rule | NM3524830 | Resolved | Oct 1, 2024through May 20, 2025 |
| Consumer Confidence Rule | NM3524830 | Resolved | Jul 1, 2023through Oct 10, 2023 |
| Public Notice | NM3524830 | Resolved | Jul 20, 2022through Aug 1, 2022 |
| Consumer Confidence Rule | NM3524830 | Resolved | Jul 1, 2022through Oct 6, 2022 |
| Groundwater Rule | NM3524830 | Resolved | Jul 5, 2021through Aug 13, 2021 |
| Public Notice | NM3524830 | Resolved | Feb 26, 2021through Mar 22, 2021 |
| Lead and Copper Rule | NM3524830 | Unaddressed | Dec 30, 2015 |
| Lead and Copper Rule | NM3524830 | Unaddressed | Dec 30, 2011 |
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 Edgewood ZIP 87015 using 229 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
229 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
Copper (90th percentile), Groundwater Rule 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.
Nearby indexed reports
Estimates can differ across a city because monitoring locations and associated systems differ.
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 229 PPM, or 13.4 grains per gallon, classified as very hard. This is not a household tap measurement.
At 229 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.