Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Las Cruces, NM 88011
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Doña Ana County.
2 active health-based record(s) across possible systems
- Largest possible serving system
- Las Cruces Municipal Water System
- Source water
- Groundwater
- County
- Doña Ana County
- Profile updated
Your tap water
What does the utility report?
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
What the current records say
EPA quarter 2026Q2
All possible systems
Review needed
2 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
10 systems
Serves 98,175 people system-wide
Match the name on your water bill
Your utility’s measurements and compliance records
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.
Las Cruces Municipal Water System
NM3511707 · Groundwater · 98,175 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.002 mg/L
- Action level
- 0.015 mg/L
13% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (1)
| Rule | Status | Period |
|---|---|---|
| E. COLI | Resolved | Nov 8, 2025 to Dec 5, 2025 |
New Mexico State University
NM3528707 · Groundwater · 24,000 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.004 mg/L
- Action level
- 0.015 mg/L
27% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Apr 29, 2022 to Mar 15, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2021 to Jul 11, 2022 |
| Public Notice | Unaddressed | Aug 28, 2013 |
University Estates Water System (lcu)
NM3512407 · Groundwater · 5,292 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.009 mg/L
- Action level
- 0.015 mg/L
60% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Hacienda Acres Water System (lcu)
NM3511507 · Groundwater · 3,042 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.001 mg/L
- Action level
- 0.015 mg/L
7% of the listed benchmark
Monitoring period: Jan 1, 2018 to Dec 31, 2020
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Oct 1, 2023 to Aug 21, 2024 |
| Groundwater RuleHealth-based | Resolved | Feb 15, 2023 to Apr 4, 2023 |
| Groundwater RuleHealth-based | Resolved | Feb 15, 2023 to Apr 4, 2023 |
Las Alturas Estates (lcu)
NM3529107 · Groundwater · 936 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.0063 mg/L
- Action level
- 0.015 mg/L
42% of the listed benchmark
Monitoring period: Jan 1, 2012 to Dec 31, 2014
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
San Andres Estates Water System (lcu)
NM3531207 · Groundwater · 747 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.002 mg/L
- Action level
- 0.015 mg/L
13% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (1)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Aug 5, 2021 to Jun 30, 2021 |
Villa Del Sol Mobile Home Park
NM3539607 · Groundwater · 551 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.0076 mg/L
- Action level
- 0.015 mg/L
51% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (17)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Unaddressed | Feb 28, 2026 |
| Lead and Copper Rule | Unaddressed | Jan 1, 2026 |
| Lead and Copper Rule | Unaddressed | Jul 1, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Addressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | Addressed | Oct 17, 2024 |
| Lead and Copper Rule | Unaddressed | Oct 1, 2024 |
| Consumer Confidence Rule | Resolved | Oct 1, 2024 to Mar 12, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Mar 12, 2025 |
| Public Notice | Unaddressed | Apr 14, 2024 |
| Groundwater RuleHealth-based | Resolved | Mar 9, 2024 to Jan 8, 2025 |
| Groundwater RuleHealth-based | Unaddressed | Mar 9, 2024 |
| Consumer Confidence Rule | Resolved | Oct 1, 2022 to Jun 12, 2023 |
| Public Notice | Resolved | Jun 15, 2022 to Nov 7, 2023 |
| Public Notice | Resolved | Jun 10, 2022 to Jul 27, 2023 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Public Notice | Resolved | Jan 23, 2021 to Feb 16, 2021 |
| Consumer Confidence Rule | Unaddressed | Oct 19, 1999 |
San Pablo Mdwca
NM3500607 · Groundwater · 548 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
St Johns Mhp
NM3540007 · Groundwater · 431 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (6)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Dec 18, 2024 to Mar 24, 2026 |
| Public Notice | Resolved | Mar 16, 2024 to Jul 30, 2024 |
| Groundwater RuleHealth-based | Resolved | Jan 25, 2024 to Jul 26, 2024 |
| Groundwater RuleHealth-based | Resolved | Jan 25, 2024 to Jul 26, 2024 |
| Groundwater RuleHealth-based | Resolved | Jan 25, 2024 to Jul 26, 2024 |
| Groundwater Rule | Resolved | Oct 30, 2023 to Jul 26, 2024 |
Alameda Acres Mhp
NM3539307 · Groundwater · 291 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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.0011 mg/L
- Action level
- 0.015 mg/L
7% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| Groundwater RuleHealth-based | Resolved | Nov 20, 2024 to May 5, 2025 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Jun 9, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Jun 9, 2025 |
Hardness meter
What does nearby environmental evidence show?
190.5
PPM as CaCO₃
Very Hard
PPM
190.5
GPG
11.1
Regional environmental evidence
USGS hardness classification scale
190.5 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
190.5
mg/L as CaCO₃ equivalent
Grains per gallon
11.1
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
20
Nearest site
8.4 mi
Observation range
Sep 12, 2016–Jan 14, 2021
Regional evidence confidence
Moderate
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: 22S.2E.2 CLC-68, LRG-3290 (Well).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
Is 88011 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Las Cruces median
195 PPM
About the same5 indexed ZIP readings · Range 190.5–515 PPM
New Mexico median
206 PPM
15 PPM lower157 indexed ZIP readings · Range 2.1–1435 PPM
Evidence-first next steps
Confirm the problem before choosing treatment
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.
Confirm the serving system
ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.
Read the current utility report
An active health-based record is present. Follow the utility's current notice and public-health instructions.
Find an official utility report →Test for the decision you face
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 →Nearby indexed reports
More local profiles in Las Cruces
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Las Cruces
Is tap water safe in Las Cruces?+
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?+
Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.
Do I need a water softener?+
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.