Hardness
Very Hard
182.5 PPM · 10.7 GPG
Local water dashboard
Official source aggregationWater quality in Ranchos De Taos, NM 87557
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Taos County.
18 active health-based violations
- Primary matched system
- Llano Quemado Mdwca
- Source water
- Groundwater
- County
- Taos County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
18 active health-based records
Lead 90th percentile
0.001 mg/L
7% of action level
Utility match
4 systems
Serves 800 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
182.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
182.5
mg/L as CaCO₃ equivalent
Grains per gallon
10.7
1 GPG ≈ 17.1 PPM
What this means at home
At 182.5 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
36
Nearest site
7.8 mi
Observation range
Oct 25, 2016–Apr 22, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 25N.13E.17.323 (Well).USGS source documentation ↗
Regional context
Is 87557 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Ranchos De Taos median
183 PPM
About the same1 indexed ZIP readings · Range 182.5–182.5 PPM
New Mexico median
228 PPM
45 PPM lower194 indexed ZIP readings · Range 74.2–688.5 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)
0.001 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.
Lead (90th percentile)
Measured in mg/L
Local 0.001
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 54
- Health-based
- 24
- Active health-based
- 18
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | NM3500129 | Unaddressed | Jan 1, 2026 |
| Lead and Copper Rule | NM3507029 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | NM3500129 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | NM3500129 | Unaddressed | Jul 1, 2025 |
| Lead and Copper Rule | NM3500129 | Unaddressed | Jul 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | NM3507029 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NM3507029 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NM3500129 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | NM3500129 | Unaddressed | Oct 17, 2024 |
| Lead and Copper Rule | NM3500129 | Unaddressed | Oct 1, 2024 |
| Consumer Confidence Rule | NM3500129 | Unaddressed | Oct 1, 2024 |
| Groundwater RuleHealth-based | NM3507029 | Resolved | Aug 28, 2024through Jan 3, 2025 |
| Groundwater RuleHealth-based | NM3507029 | Unaddressed | Aug 28, 2024 |
| Groundwater RuleHealth-based | NM3507029 | Unaddressed | Aug 28, 2024 |
| Groundwater RuleHealth-based | NM3507029 | Resolved | Aug 28, 2024through Jan 3, 2025 |
| Groundwater RuleHealth-based | NM3507029 | Unaddressed | Aug 28, 2024 |
| Groundwater RuleHealth-based | NM3507029 | Unaddressed | Aug 28, 2024 |
| Groundwater RuleHealth-based | NM3507029 | Resolved | Aug 28, 2024through Jan 3, 2025 |
| Groundwater RuleHealth-based | NM3507029 | Unaddressed | Aug 28, 2024 |
| Groundwater RuleHealth-based | NM3507029 | Resolved | Aug 28, 2024through Jan 3, 2025 |
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 Ranchos De Taos ZIP 87557 using 182.5 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
182.5 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
Under-Sink Reverse Osmosis System
LEAD AND COPPER RULE REVISIONS, 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.
Frequently asked
Water questions for Ranchos De Taos
Is tap water safe in Ranchos De Taos?+
EPA ECHO reports 18 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
How hard is the water?+
Nearby USGS observations produce an estimate of 182.5 PPM, or 10.7 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 182.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.