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
4 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
8 systems
Serves 2,865 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.
NM3513519 · Groundwater · 2,865 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
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
17% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Jun 1, 2025 to Jun 30, 2025 |
| Chlorine | Resolved | Jun 1, 2025 to Jun 30, 2025 |
| Public Notice | Unaddressed | Mar 15, 2012 |
| Public Notice | Unaddressed | Mar 15, 2012 |
| Public Notice | Unaddressed | Apr 17, 2011 |
NM3534619 · Groundwater · 426 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
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
17% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
No record returned in this imported window. This is not a guarantee of tap-water safety.
NM3564319 · Groundwater · 342 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
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
11% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Aug 9, 2024 to Oct 1, 2024 |
| Chlorine | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2023 to Feb 28, 2023 |
| Chlorine | Resolved | Jan 1, 2023 to Mar 5, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Sep 16, 2024 |
| Public Notice | Resolved | Aug 14, 2021 to Mar 24, 2026 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Aug 18, 2021 |
NM3592219 · Groundwater · 226 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
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
7% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Oct 1, 2025 |
| Lead and Copper Rule | Unaddressed | Sep 29, 2025 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2025 to May 7, 2025 |
| Consumer Confidence Rule | Resolved | Oct 1, 2024 to Apr 10, 2025 |
| Lead and Copper Rule | Resolved | Jul 1, 2024 to May 7, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Apr 10, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2023 to May 7, 2025 |
| Consumer Confidence Rule | Resolved | Oct 1, 2023 to Apr 10, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Apr 10, 2025 |
| Public Notice | Resolved | Feb 16, 2023 to Apr 10, 2025 |
| Lead and Copper Rule | Unaddressed | Dec 30, 2022 |
| Consumer Confidence Rule | Resolved | Oct 1, 2022 to Apr 10, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Apr 10, 2025 |
| Public Notice | Resolved | Jun 2, 2022 to Apr 10, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2021 to Jun 13, 2022 |
| Consumer Confidence Rule | Resolved | Oct 1, 2021 to Apr 10, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Apr 10, 2025 |
| Lead and Copper Rule | Unaddressed | Mar 31, 2020 |
| Lead and Copper Rule | Unaddressed | Sep 29, 2019 |
NM3510019 · Groundwater · 205 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
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
11% of the listed benchmark
Monitoring period: Jan 1, 2017 to Dec 31, 2019
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Aug 27, 2025 to Oct 25, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Jun 27, 2023 |
NM3565419 · Groundwater · 193 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
1 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
33% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
| Rule | Status | Period |
|---|---|---|
| Groundwater RuleHealth-based | Resolved | Dec 10, 2022 to Jan 12, 2023 |
| Groundwater RuleHealth-based | Resolved | Dec 10, 2022 to Jan 12, 2023 |
| Groundwater RuleHealth-based | Unaddressed | Dec 10, 2022 |
| Groundwater RuleHealth-based | Resolved | Dec 10, 2022 to Oct 2, 2023 |
| Groundwater RuleHealth-based | Resolved | Dec 10, 2022 to Jan 12, 2023 |
| Groundwater RuleHealth-based | Resolved | Dec 10, 2022 to Jan 12, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Oct 6, 2022 |
| Consumer Confidence Rule | Resolved | Oct 1, 2021 to Oct 6, 2021 |
| Public Notice | Unaddressed | Jan 20, 2012 |
NM3510119 · Groundwater · 147 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
2 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
14% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Jul 28, 2023 |
| Groundwater RuleHealth-based | Unaddressed | Dec 17, 2022 |
| Groundwater RuleHealth-based | Resolved | Dec 17, 2022 to Dec 18, 2022 |
| Groundwater RuleHealth-based | Unaddressed | Dec 17, 2022 |
NM3502519 · Groundwater · 81 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
1 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
18% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
| Rule | Status | Period |
|---|---|---|
| Public Notice | Unaddressed | Feb 28, 2026 |
| Groundwater RuleHealth-based | Unaddressed | Nov 22, 2025 |
| Lead and Copper Rule | Resolved | Jul 1, 2024 to Jun 11, 2025 |
| Revised Total Coliform RuleHealth-based | Resolved | Sep 1, 2023 to Sep 19, 2023 |
| Lead and Copper Rule | Resolved | Jul 1, 2023 to Dec 19, 2023 |
Hardness meter
478
PPM as CaCO₃
Very Hard
PPM
478
GPG
28
Regional environmental evidence
USGS hardness classification scale
478 PPM
Parts per million
478
mg/L as CaCO₃ equivalent
Grains per gallon
28
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
61
Nearest site
4.1 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: 16S.12E.14.411 (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.
Cloudcroft median
478 PPM
About the same1 indexed ZIP readings · Range 478–478 PPM
New Mexico median
206 PPM
272 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 4 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.