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City water profile

La Madera water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for La Madera, New Mexico.

Median indexed hardness

176PPM

One indexed ZIP

Range 176–176 PPM

State comparison
52 PPM below
State hardness rank
#125 of 160
Matched utilities
2
Active health records
1

City summary

What the indexed records say

La Madera has 1 published ZIP profile across Rio Arriba County. The indexed median is 176 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, La Madera ranks #125from highest to lowest. Across all 195 state ZIP profiles, available estimates run from 74.2to 688.5 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard1 ZIP
Very hard0 ZIPs

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
22.3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Oct 25, 2016 to Apr 22, 2026.

ZIP directory

Water reports in La Madera

Open a ZIP for site-level provenance and measurements.

ZIP code

87539

Hard

176 PPM

Nearest site
22.3 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

La Madera Mdwca

PWSID NM3502121

Groundwater
System population served
124
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Ancones Mdwwca

PWSID NM3504121

Groundwater
System population served
60
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
LEAD AND COPPER RULE REVISIONSNM3504121Oct 17, 2024Resolved
LEAD AND COPPER RULE REVISIONSNM3504121Oct 17, 2024Resolved · health-based
Consumer Confidence RuleNM3504121Oct 1, 2024Resolved
Groundwater RuleNM3502121Aug 2, 2024Unaddressed · health-based
Consumer Confidence RuleNM3504121Jul 1, 2024Resolved
Consumer Confidence RuleNM3504121Oct 1, 2023Resolved
Consumer Confidence RuleNM3504121Jul 1, 2023Resolved
Public NoticeNM3504121Jan 18, 2018Unaddressed
Public NoticeNM3502121Aug 3, 2013Unaddressed
Public NoticeNM3502121Aug 3, 2013Unaddressed

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in La Madera

Is the water hard?

The indexed city median is 176 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.