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City water profile

Navajo Dam water quality

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

Median indexed hardness

144PPM

One indexed ZIP

Range 144–144 PPM

State comparison
84 PPM below
State hardness rank
#137 of 160
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Navajo Dam has 1 published ZIP profile across San Juan County. The indexed median is 144 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, Navajo Dam ranks #137from 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
8.7 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Feb 16, 2016 to Mar 30, 2026.

ZIP directory

Water reports in Navajo Dam

Open a ZIP for site-level provenance and measurements.

ZIP code

87419

Hard

144 PPM

Nearest site
8.7 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Navajo Dam Domestic Water Consumers Inc

PWSID NM3536724

Surface water
System population served
545
Last reported
Jun 16, 2026

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

Pine River Mdca

PWSID NM3501024

Groundwater influenced by surface water
System population served
44
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

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Interim Enhanced Surface Water Treatment RuleNM3501024Mar 1, 2026Archived
Surface Water Treatment RuleNM3501024Mar 1, 2026Archived
Surface Water Treatment RuleNM3536724Feb 1, 2026Archived
Interim Enhanced Surface Water Treatment RuleNM3536724Feb 1, 2026Archived
ChlorineNM3501024Feb 1, 2026Resolved
Surface Water Treatment RuleNM3501024Feb 1, 2026Archived
Interim Enhanced Surface Water Treatment RuleNM3501024Feb 1, 2026Archived
Revised Total Coliform RuleNM3501024Feb 1, 2026Resolved
Revised Total Coliform RuleNM3501024Jan 1, 2026Resolved
Interim Enhanced Surface Water Treatment RuleNM3501024Jan 1, 2026Archived

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 Navajo Dam

Is the water hard?

The indexed city median is 144 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.