Hardness
Very Hard
396 PPM · 23.2 GPG
Local water dashboard
Official source aggregationWater quality in Roswell, NM 88201
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Chaves County.
2 active health-based violations
- Primary matched system
- Roswell Municipal Water System
- Source water
- Groundwater
- County
- Chaves County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
2 active health-based records
Lead 90th percentile
0 mg/L
0% of action level
Utility match
4 systems
Serves 54,025 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
396 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
396
mg/L as CaCO₃ equivalent
Grains per gallon
23.2
1 GPG ≈ 17.1 PPM
What this means at home
At 396 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
37
Nearest site
21.3 mi
Observation range
Jul 3, 2016–Sep 19, 2024
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 11S.24E.16.142 12 (Well).USGS source documentation ↗
Regional context
Is 88201 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Roswell median
419 PPM
23 PPM lower2 indexed ZIP readings · Range 396–442 PPM
New Mexico median
228 PPM
168 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 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
- 11
- Health-based
- 3
- Active health-based
- 2
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| E. COLI | NM3520203 | Unaddressed | Aug 16, 2025 |
| Public Notice | NM3552903 | Unaddressed | Jun 4, 2025 |
| Groundwater RuleHealth-based | NM3520203 | Unaddressed | Jun 1, 2025 |
| Groundwater RuleHealth-based | NM3520203 | Unaddressed | Jun 1, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NM3593003 | Resolved | Oct 17, 2024through Jul 3, 2025 |
| LEAD AND COPPER RULE REVISIONS | NM3593003 | Resolved | Oct 17, 2024through Jul 3, 2025 |
| Public Notice | NM3520203 | Resolved | Jun 7, 2024through Jun 11, 2024 |
| Revised Total Coliform Rule | NM3552903 | Resolved | Apr 1, 2024through Apr 30, 2024 |
| Consumer Confidence Rule | NM3520103 | Resolved | Jul 1, 2022through Oct 6, 2022 |
| Consumer Confidence Rule | NM3593003 | Resolved | Jul 1, 2021through Aug 18, 2021 |
| Public Notice | NM3593003 | Resolved | Jan 21, 2021through Feb 16, 2021 |
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 Roswell ZIP 88201 using 396 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
396 PPM is 3× 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 Roswell
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Roswell
Is tap water safe in Roswell?+
EPA ECHO reports 2 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 396 PPM, or 23.2 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 396 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.