City water profile

Water hardness in Dallas

Find official utility reports, understand hardness, and check the water system serving your home in Dallas, Texas.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: 1 PPM below
Evidence comparison rank: #8 of 15
Matched utilities: 1
Active health records: 0

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Dallas Water Utilities

Hardness not yet transcribed

The official report is available below. Check its hardness table and the source or treatment zone serving you, or ask the utility for your result.

Read 2025 Water Quality Report ↗

Source checked Sep 29, 2026.

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Dallas Water Utility

TX0570004 · Surface water · 1,356,479 people served system-wide

A municipal system, in-state city, and served county all agree with this Census ZCTA.

No active health-based record in this imported snapshot

Read 2025 Water Quality Report ↗

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0.0011 mg/L
Action level: 0.015 mg/L

7% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

City summary

What the indexed records say

Dallas has 45 published ZIP profiles across Dallas County. The regional-evidence median is 117 PPM. Its comparison-eligible median is 117 PPM versus 118 PPM statewide.

Among the 15 Texascities meeting the comparison standard, Dallas ranks #8from highest to lowest. Across all 1,026 state ZIP profiles, available estimates run from 23.6to 310 PPM.

The 108–122 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard44 ZIPs

Hard1 ZIP

Very hard0 ZIPs

45 of 45 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 4.3 miles
Profiles with evidence: 45/45

Confidence labels

High: 45Moderate: 0Low: 0

Observation window: Oct 4, 2016 to Jun 2, 2026.

ZIP directory

Water reports in Dallas

Open a ZIP for site-level provenance and measurements.

ZIP code

What does the utility report?

Dallas Water Utilities

Your utility’s measurements and compliance records

Dallas Water Utility

Lead (90th percentile)

What the indexed records say

How local ZIP estimates compare

Distance, dates, and confidence

Water reports in Dallas

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Move from index to evidence

Other Texas communities

About water in Dallas

Is the water hard?

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