Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationRegional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Otero County.
Your tap water
Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.
Utility hardness unavailable in this index
Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.
Find an official utility report →At a glance
EPA quarter 2026Q2
Utility-reported hardness
Unavailable
Ask your provider or test your tap
All possible systems
Review needed
7 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
1 system
Serves 2,698 people system-wide
Match the name on your water bill
These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.
EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.
NM3546419 · Groundwater · 2,698 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
7 reported active health-based record(s) for this system
Find this utility’s official report →An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
EPA SDWIS Lead and Copper Rule samples
15% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
| Rule | Status | Period |
|---|---|---|
| Groundwater RuleHealth-based | Unaddressed | Jan 31, 2026 |
| Groundwater RuleHealth-based | Unaddressed | Jan 31, 2026 |
| Groundwater RuleHealth-based | Unaddressed | Jan 31, 2026 |
| Groundwater RuleHealth-based | Unaddressed | Jan 31, 2026 |
| Public Notice | Unaddressed | Jan 13, 2026 |
| Consumer Confidence Rule | Unaddressed | Oct 1, 2025 |
| Public Notice | Addressed | Feb 15, 2025 |
| Public Notice | Addressed | Feb 15, 2025 |
| Public Notice | Addressed | Feb 15, 2025 |
| Public Notice | Addressed | Jan 12, 2025 |
| Public Notice | Addressed | Jan 12, 2025 |
| Public Notice | Addressed | Jan 12, 2025 |
| Public Notice | Addressed | Dec 26, 2024 |
| Public Notice | Addressed | Dec 26, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Archived | Dec 1, 2024 to Dec 31, 2024 |
| Long Term 2 Enhanced Surface Water Treatment RuleHealth-based | Addressed | Dec 1, 2024 |
| Surface Water Treatment Rule | Archived | Dec 1, 2024 to Dec 31, 2024 |
| Public Notice | Addressed | Nov 15, 2024 |
| Public Notice | Addressed | Nov 15, 2024 |
| Surface Water Treatment Rule | Archived | Nov 1, 2024 to Nov 30, 2024 |
| Surface Water Treatment RuleHealth-based | Archived | Nov 1, 2024 to Nov 30, 2024 |
| Long Term 2 Enhanced Surface Water Treatment RuleHealth-based | Addressed | Nov 1, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Archived | Nov 1, 2024 to Nov 30, 2024 |
| Public Notice | Addressed | Oct 27, 2024 |
| Long Term 2 Enhanced Surface Water Treatment RuleHealth-based | Addressed | Oct 1, 2024 |
| Surface Water Treatment Rule | Archived | Oct 1, 2024 to Oct 31, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Archived | Oct 1, 2024 to Oct 31, 2024 |
| Surface Water Treatment RuleHealth-based | Archived | Sep 1, 2024 to Sep 30, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Archived | Sep 1, 2024 to Sep 30, 2024 |
| Interim Enhanced Surface Water Treatment RuleHealth-based | Archived | Aug 1, 2024 to Aug 31, 2024 |
| Public Notice | Addressed | May 16, 2024 |
| Surface Water Treatment Rule | Resolved | Apr 1, 2023 to Apr 30, 2023 |
| Surface Water Treatment Rule | Resolved | Oct 1, 2022 to Oct 31, 2022 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2022 to Oct 31, 2022 |
| Chlorine | Resolved | Oct 1, 2022 to Nov 14, 2022 |
| Public Notice | Resolved | Aug 24, 2022 to Jul 17, 2023 |
| Surface Water Treatment Rule | Resolved | Jul 1, 2021 to Jul 31, 2021 |
| Surface Water Treatment Rule | Resolved | Jan 1, 2021 to Jan 31, 2021 |
Hardness meter
380.5
PPM as CaCO₃
Very Hard
PPM
380.5
GPG
22.3
Regional environmental evidence
USGS hardness classification scale
380.5 PPM
Parts per million
380.5
mg/L as CaCO₃ equivalent
Grains per gallon
22.3
1 GPG ≈ 17.1 PPM
How to use regional evidence
These samples describe nearby environmental water. They cannot establish whether your tap water is soft or hard. Use a utility result or a tap test for appliance settings and treatment sizing.
USGS sites used
42
Nearest site
2.7 mi
Observation range
Nov 5, 2020–Sep 14, 2022
Regional evidence confidence
Moderate
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: 19S.12E.13.424B (Spring).USGS source documentation ↗Evidence tier: Regional environmental evidence. This value is not used as proof of the serving utility's treated-water hardness.
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Timberon median
381 PPM
About the same1 indexed ZIP readings · Range 380.5–380.5 PPM
New Mexico median
206 PPM
175 PPM higher157 indexed ZIP readings · Range 2.1–1435 PPM
Evidence-first next steps
This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.
ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.
An active health-based record is present. Follow the utility's current notice and public-health instructions.
Find an official utility report →Use a tap hardness test before sizing a softener. For health concerns, use a certified laboratory and the correct sampling protocol.
Convert your hardness test result →Frequently asked
EPA ECHO reports 7 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.
Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.