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City water profile

Dublin water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Dublin, Texas.

Median indexed hardness

224PPM

One indexed ZIP

Range 224–224 PPM

State comparison
113 PPM above
State hardness rank
#138 of 523
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Dublin has 1 published ZIP profile across Erath County. The indexed median is 224 PPM, compared with 111 PPM across Texas.

Among the 523 Texascities with an indexed median, Dublin ranks #138from highest to lowest. Across all 1,026 state ZIP profiles, available estimates run from 5.4to 500.5 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
Hard0 ZIPs
Very hard1 ZIP

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
15.7 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Feb 3, 2016 to May 29, 2026.

ZIP directory

Water reports in Dublin

Open a ZIP for site-level provenance and measurements.

ZIP code

76446

Very Hard

224 PPM

Nearest site
15.7 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

City Of Dublin

PWSID TX0720001

Surface water
System population served
3,388
Last reported
Jun 26, 2026

A municipal system, in-state city, and served county all agree with this Census 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
Consumer Confidence RuleTX0720001Jul 1, 2025Unaddressed
Public NoticeTX0720001Jun 30, 2025Resolved
LEAD AND COPPER RULE REVISIONSTX0720001Oct 17, 2024Resolved
LEAD AND COPPER RULE REVISIONSTX0720001Oct 17, 2024Resolved · health-based
Public NoticeTX0720001Sep 19, 2024Resolved
TTHMTX0720001Jul 1, 2024Resolved · health-based
TTHMTX0720001May 22, 2024Resolved
TTHMTX0720001Apr 3, 2024Resolved
TTHMTX0720001Apr 1, 2024Resolved · health-based
TTHMTX0720001Jan 1, 2024Resolved · health-based

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 Dublin

Is the water hard?

The indexed city median is 224 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.