Hardness
Very Hard
617 PPM · 36.1 GPG
Local water dashboard
Official source aggregationWater quality in Lindrith, NM 87029
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.
3 active health-based violations
- Primary matched system
- Lindrith Community Water Coop Inc
- Source water
- Groundwater
- County
- Rio Arriba County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
3 active health-based records
Lead 90th percentile
0.0012 mg/L
8% of action level
Utility match
1 system
Serves 85 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
617 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
617
mg/L as CaCO₃ equivalent
Grains per gallon
36.1
1 GPG ≈ 17.1 PPM
What this means at home
At 617 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
41
Nearest site
7.4 mi
Observation range
Mar 25, 2016–Sep 19, 2025
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 87029 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Lindrith median
617 PPM
About the same1 indexed ZIP readings · Range 617–617 PPM
New Mexico median
228 PPM
389 PPM higher194 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)
0.0012 mg/L
Reported Dec 31, 2020
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 0.0012
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 14
- Health-based
- 6
- Active health-based
- 3
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | NM3502321 | Unaddressed | Jan 1, 2026 |
| Consumer Confidence Rule | NM3502321 | Resolved | Oct 1, 2025through Oct 3, 2025 |
| Groundwater RuleHealth-based | NM3502321 | Unaddressed | Aug 29, 2025 |
| Groundwater RuleHealth-based | NM3502321 | Unaddressed | Aug 29, 2025 |
| Groundwater RuleHealth-based | NM3502321 | Resolved | Aug 29, 2025through Oct 31, 2025 |
| Groundwater RuleHealth-based | NM3502321 | Resolved | Aug 29, 2025through Oct 21, 2025 |
| Groundwater RuleHealth-based | NM3502321 | Resolved | Aug 29, 2025through Oct 31, 2025 |
| Consumer Confidence Rule | NM3502321 | Resolved | Jul 1, 2025through Oct 3, 2025 |
| Lead and Copper Rule | NM3502321 | Unaddressed | Jul 1, 2025 |
| Lead and Copper Rule | NM3502321 | Unaddressed | Oct 1, 2024 |
| Lead and Copper Rule | NM3502321 | Unaddressed | Oct 1, 2021 |
| Public Notice | NM3502321 | Resolved | Feb 19, 2021through Dec 10, 2021 |
| Public Notice | NM3502321 | Unaddressed | Aug 17, 2020 |
| Groundwater RuleHealth-based | NM3502321 | Addressed | Mar 20, 2015 |
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 Lindrith ZIP 87029 using 617 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
617 PPM is 5× 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
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 Lindrith
Is tap water safe in Lindrith?+
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.
How hard is the water?+
Nearby USGS observations produce an estimate of 617 PPM, or 36.1 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 617 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.