Hardness
Moderately Hard
102 PPM · 6 GPG
Local water dashboard
Official source aggregationWater quality in Gallina, NM 87017
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Rio Arriba County.
1 active health-based violation
- Primary matched system
- Coronado High School
- Source water
- Groundwater
- County
- Rio Arriba County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
0 mg/L
0% of action level
Utility match
2 systems
Serves 263 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
102 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
102
mg/L as CaCO₃ equivalent
Grains per gallon
6
1 GPG ≈ 17.1 PPM
What this means at home
At 102 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
21
Nearest site
17.4 mi
Observation range
Jul 20, 2016–Aug 4, 2023
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 24N 02W 16.242 (Well).USGS source documentation ↗
Regional context
Is 87017 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Gallina median
102 PPM
About the same1 indexed ZIP readings · Range 102–102 PPM
New Mexico median
228 PPM
126 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 mg/L
Reported Dec 31, 2023
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
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 33
- Health-based
- 12
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Consumer Confidence Rule | NM3592121 | Unaddressed | Oct 1, 2025 |
| Lead and Copper Rule | NM3592121 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | NM3502021 | Unaddressed | Oct 1, 2025 |
| Public Notice | NM3502021 | Unaddressed | Aug 20, 2025 |
| Consumer Confidence Rule | NM3592121 | Unaddressed | Jul 1, 2025 |
| Public Notice | NM3592121 | Unaddressed | Mar 7, 2025 |
| Public Notice | NM3592121 | Unaddressed | Dec 13, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NM3592121 | Resolved | Oct 17, 2024through Mar 25, 2025 |
| LEAD AND COPPER RULE REVISIONS | NM3592121 | Resolved | Oct 17, 2024through Mar 25, 2025 |
| Public Notice | NM3592121 | Unaddressed | Oct 11, 2024 |
| Public Notice | NM3502021 | Unaddressed | Oct 4, 2024 |
| Consumer Confidence Rule | NM3592121 | Unaddressed | Oct 1, 2024 |
| Consumer Confidence Rule | NM3502021 | Unaddressed | Oct 1, 2024 |
| Public Notice | NM3502021 | Unaddressed | Sep 7, 2024 |
| Public Notice | NM3592121 | Unaddressed | Jul 19, 2024 |
| Groundwater RuleHealth-based | NM3502021 | Resolved | Jul 3, 2024through Apr 24, 2025 |
| Groundwater RuleHealth-based | NM3502021 | Unaddressed | Jul 3, 2024 |
| Groundwater RuleHealth-based | NM3502021 | Resolved | Apr 4, 2024through Apr 24, 2025 |
| Groundwater RuleHealth-based | NM3502021 | Resolved | Apr 4, 2024through Apr 29, 2025 |
| Groundwater RuleHealth-based | NM3592121 | Resolved | Feb 18, 2024through Jan 15, 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 Gallina ZIP 87017 using 102 PPM nearby hardness and 1 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
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
Water questions for Gallina
Is tap water safe in Gallina?+
EPA ECHO reports 1 active health-based violation 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 102 PPM, or 6 grains per gallon, classified as moderately hard. This is not a household tap measurement.
Do I need a water softener?+
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.