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City water profile

Hart water quality

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

Median indexed hardness

249PPM

One indexed ZIP

Range 248.5–248.5 PPM

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

City summary

What the indexed records say

Hart has 1 published ZIP profile across Castro County. The indexed median is 249 PPM, compared with 111 PPM across Texas.

Among the 523 Texascities with an indexed median, Hart ranks #113from 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. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

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
25.1 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: May 23, 2016 to Jun 17, 2022.

ZIP directory

Water reports in Hart

Open a ZIP for site-level provenance and measurements.

ZIP code

79043

Very Hard

248.5 PPM

Nearest site
25.1 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Hart Municipal Water System

PWSID TX0350002

Groundwater
System population served
1,000
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
Lead and Copper RuleTX0350002Oct 1, 2025Unaddressed
Consumer Confidence RuleTX0350002Jul 1, 2025Resolved
Public NoticeTX0350002May 1, 2025Resolved
ChlorineTX0350002Apr 1, 2025Resolved
LEAD AND COPPER RULE REVISIONSTX0350002Oct 17, 2024Resolved · health-based
LEAD AND COPPER RULE REVISIONSTX0350002Oct 17, 2024Resolved
Consumer Confidence RuleTX0350002Jul 2, 2024Resolved
Public NoticeTX0350002Feb 2, 2024Resolved
BenzeneTX0350002Jan 1, 2024Resolved · health-based
Public NoticeTX0350002Nov 22, 2023Resolved

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 Hart

Is the water hard?

The indexed city median is 249 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.