Hardness
Very Hard
204.5 PPM · 12 GPG
Local water dashboard
Official source aggregationWater quality in Capulin, NM 88418
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Union County.
1 active health-based violation
- Primary matched system
- Capulin Mdwca
- Source water
- Groundwater
- County
- Union 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
1 system
Serves 215 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
204.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
204.5
mg/L as CaCO₃ equivalent
Grains per gallon
12
1 GPG ≈ 17.1 PPM
What this means at home
At 204.5 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
8
Nearest site
18.7 mi
Observation range
Jun 20, 2016–Apr 15, 2021
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 29N.28E.05.234 (Well).USGS source documentation ↗
Regional context
Is 88418 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Capulin median
139 PPM
66 PPM higher2 indexed ZIP readings · Range 74.2–204.5 PPM
New Mexico median
228 PPM
23 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, 2024
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
- 18
- Health-based
- 10
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Chlorine | NM3500821 | Resolved | Feb 1, 2026through Feb 28, 2026 |
| Consumer Confidence Rule | NM3500821 | Resolved | Oct 1, 2025through Mar 12, 2026 |
| Chlorine | NM3500821 | Resolved | Aug 1, 2025through Aug 31, 2025 |
| Chlorine | NM3500821 | Resolved | Apr 1, 2024through Apr 30, 2024 |
| Public Notice | NM3500821 | Resolved | Mar 23, 2024through Jul 16, 2024 |
| Groundwater RuleHealth-based | NM3500821 | Resolved | Mar 8, 2023through Nov 11, 2024 |
| Groundwater RuleHealth-based | NM3500821 | Resolved | Mar 8, 2023through Aug 5, 2024 |
| Groundwater RuleHealth-based | NM3500821 | Resolved | Mar 8, 2023through Aug 5, 2024 |
| Groundwater RuleHealth-based | NM3500821 | Resolved | Mar 8, 2023through Aug 8, 2024 |
| Groundwater RuleHealth-based | NM3500821 | Resolved | Mar 8, 2023through Nov 11, 2024 |
| Groundwater RuleHealth-based | NM3500821 | Resolved | Mar 8, 2023through Jul 15, 2024 |
| Groundwater RuleHealth-based | NM3500821 | Resolved | Mar 8, 2023through Aug 8, 2024 |
| Groundwater RuleHealth-based | NM3500821 | Resolved | Mar 8, 2023through Aug 8, 2024 |
| Groundwater RuleHealth-based | NM3500821 | Resolved | Mar 8, 2023through Aug 8, 2024 |
| Groundwater Rule | NM3500821 | Resolved | Dec 11, 2022through Jul 15, 2024 |
| Public Notice | NM3500821 | Resolved | Feb 23, 2022through Aug 18, 2022 |
| Consumer Confidence Rule | NM3500821 | Resolved | Jul 1, 2021through Aug 17, 2021 |
| Groundwater RuleHealth-based | NM3500821 | Unaddressed | Nov 19, 2014 |
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 Capulin ZIP 88418 using 204.5 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
204.5 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
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.
Nearby indexed reports
Compare ZIPs in Capulin
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Capulin
Is tap water safe in Capulin?+
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 204.5 PPM, or 12 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 204.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.