City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Las Cruces, New Mexico.
Median indexed hardness
388PPM
5 indexed ZIPs
Range 318–453 PPM
City summary
Las Cruces has 5 published ZIP profiles across Doña Ana County. The indexed median is 388 PPM, compared with 228 PPM across New Mexico.
Among the 160 New Mexicocities with an indexed median, Las Cruces ranks #38from highest to lowest. Across all 195 state ZIP profiles, available estimates run from 74.2to 688.5 PPM.
The 318–453 PPM range shows how much the available ZIP estimates vary within the city label.
Hardness distribution
5 of 5 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: Apr 4, 2016 to Sep 14, 2022.
ZIP directory
Open a ZIP for site-level provenance and measurements.
ZIP code
453 PPM
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ZIP code
318 PPM
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ZIP code
440 PPM
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ZIP code
387.5 PPM
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ZIP code
387.5 PPM
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Public water systems
PWSID NM3511707
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID NM3528707
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID NM3512407
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID NM3511507
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID NM3529107
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID NM3531207
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID NM3539607
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID NM3500607
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID NM3540007
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID NM3539307
The system names this served city; Census place overlap links the city to this ZCTA.
Compliance history
1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.
| Record | System | Period | Status |
|---|---|---|---|
| Public Notice | NM3539607 | Feb 28, 2026 | Unaddressed |
| Lead and Copper Rule | NM3539607 | Jan 1, 2026 | Unaddressed |
| Vinyl chloride | NM3541707 | Jan 1, 2026 | Archived · health-based |
| E. COLI | NM3511707 | Nov 8, 2025 | Resolved |
| Consumer Confidence Rule | NM3577407 | Oct 1, 2025 | Resolved |
| Vinyl chloride | NM3541707 | Oct 1, 2025 | Archived · health-based |
| Revised Total Coliform Rule | NM3510207 | Sep 1, 2025 | Resolved |
| Lead and Copper Rule | NM3539607 | Jul 1, 2025 | Unaddressed |
| Public Notice | NM3513307 | Mar 29, 2025 | Unaddressed |
| Revised Total Coliform Rule | NM3513307 | Mar 1, 2025 | Resolved · health-based |
Practical next steps
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Questions people ask
The indexed city median is 388 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.
Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.
Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.