Hardness
Hard
166 PPM · 9.7 GPG
Local water dashboard
Official source aggregationWater quality in Abiquiu, NM 87510
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.
No active health-based violation reported
- Primary matched system
- Abiquiu Mdwca
- Source water
- Groundwater
- County
- Rio Arriba County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.001 mg/L
7% of action level
Utility match
3 systems
Serves 420 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
166 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
166
mg/L as CaCO₃ equivalent
Grains per gallon
9.7
1 GPG ≈ 17.1 PPM
What this means at home
At 166 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
30
Nearest site
14.7 mi
Observation range
Jul 20, 2016–Apr 22, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 27N.04E.13.411A (Well).USGS source documentation ↗
Regional context
Is 87510 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Abiquiu median
166 PPM
About the same1 indexed ZIP readings · Range 166–166 PPM
New Mexico median
228 PPM
62 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 Jun 30, 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.
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
- 39
- Health-based
- 5
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Chlorine | NM3501521 | Resolved | Dec 1, 2025through Dec 31, 2025 |
| Chlorine | NM3501521 | Resolved | Nov 1, 2025through Nov 30, 2025 |
| Lead and Copper Rule | NM3500321 | Unaddressed | Oct 1, 2025 |
| Lead and Copper Rule | NM3501521 | Resolved | Oct 1, 2025through Feb 11, 2026 |
| Public Notice | NM3501521 | Unaddressed | Jul 12, 2025 |
| Public Notice | NM3500221 | Unaddressed | Feb 21, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NM3500321 | Resolved | Oct 17, 2024through Apr 17, 2025 |
| LEAD AND COPPER RULE REVISIONS | NM3500321 | Resolved | Oct 17, 2024through Apr 17, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NM3501521 | Resolved | Oct 17, 2024through Aug 2, 2025 |
| LEAD AND COPPER RULE REVISIONS | NM3501521 | Resolved | Oct 17, 2024through Aug 2, 2025 |
| Consumer Confidence Rule | NM3501521 | Resolved | Oct 1, 2024through Jun 17, 2025 |
| Revised Total Coliform Rule | NM3501521 | Resolved | Apr 1, 2024through Apr 30, 2024 |
| Public Notice | NM3500221 | Resolved | May 21, 2023through Jun 24, 2023 |
| Public Notice | NM3500221 | Resolved | Apr 16, 2023through Jun 24, 2023 |
| Groundwater RuleHealth-based | NM3500221 | Resolved | Oct 29, 2022through Mar 10, 2023 |
| Groundwater RuleHealth-based | NM3500221 | Resolved | Oct 29, 2022through Oct 13, 2023 |
| Groundwater RuleHealth-based | NM3500221 | Resolved | Oct 29, 2022through Jul 21, 2025 |
| Chlorine | NM3500221 | Resolved | Jul 1, 2022through Sep 30, 2022 |
| Revised Total Coliform Rule | NM3500221 | Resolved | Jul 1, 2022through Jul 31, 2022 |
| Revised Total Coliform Rule | NM3500221 | Resolved | Jun 1, 2022through Jun 30, 2022 |
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 Abiquiu ZIP 87510 using 166 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
166 PPM is 1× 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 systemsAffiliate 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 Abiquiu
Is tap water safe in Abiquiu?+
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
How hard is the water?+
Nearby USGS observations produce an estimate of 166 PPM, or 9.7 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 166 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.