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Irving Water Quality Report: Chloramine, PFAS & Hardness

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City of Irving Water Utilities

2025 report; PFAS and lead samples from 2024

The report separates Dallas-supplied treated-water results from Irving’s own distribution and customer-tap results. The disinfectant, byproduct and lead numbers below use Irving’s results.

Your water at a glance

See the amount, the comparison and what it means. “Below” refers to the stated benchmark, not zero risk.

Hardness

Not confirmed

Test at homeNo Irving hardness value verified here

We do not substitute Dallas’ hardness number for Irving. A current hardness test can establish whether scale treatment belongs in your system.

2025 report checkedView source

Chloramine

Average below 4 ppm MRDL

2.84ppm

Average; range 0.54–3.98

2025View source

TTHMs

Below 80 ppb MCL

18ppb

Reported average LRAA; range 16–24

2025View source

HAA5

Below 60 ppb MCL

20ppb

Reported average LRAA; range 13–27

2025View source

Fluoride

Below 4 ppm MCL

0.686ppm

Dallas-supplied water maximum; average 0.627

2025View source

Lead

Below 15 ppb action level

1ppb

Irving tap-sample 90th percentile; 0 sites over AL

2024View source

PFAS — PFOA

Some detections above 4 ppt EPA comparison

4–5ppt

Range among detections; detected-only average 4

Historical samples; not a current compliance determination.

2024View source

Nitrate as nitrogen

Below 10 ppm MCL

0.802ppm

Dallas-supplied water maximum

2025View source
View Full Water ReportOpen the measured results, dates, comparisons and original utility report.

The numbers behind your report

Selected useful results—not a replacement for the utility’s complete report. Older measurements retain their original year.

Open the complete utility report ↗

What was measuredReported amountSample year / source dateHow to read it
HardnessTest at home No Irving hardness value verified here2025 report checkedNot confirmedWe do not substitute Dallas’ hardness number for Irving. A current hardness test can establish whether scale treatment belongs in your system.
Chloramine2.84 ppmAverage; range 0.54–3.982025Average below 4 ppm MRDL
TTHMs18 ppbReported average LRAA; range 16–242025Below 80 ppb MCL
HAA520 ppbReported average LRAA; range 13–272025Below 60 ppb MCL
Fluoride0.686 ppmDallas-supplied water maximum; average 0.6272025Below 4 ppm MCL
Lead1 ppbIrving tap-sample 90th percentile; 0 sites over AL2024Below 15 ppb action level
PFAS — PFOA4–5 pptRange among detections; detected-only average 42024Some detections above 4 ppt EPA comparisonHistorical samples; not a current compliance determination.
Nitrate as nitrogen0.802 ppmDallas-supplied water maximum2025Below 10 ppm MCL
PFAS — PFOS4 pptDetected-only average and detected range2024At 4 ppt EPA comparisonNondetects excluded from the reported average.
PFAS — PFBS5 pptDetected-only average; range 4–62024No individual federal MCL for this compoundDo not compare this amount with the PFOA/PFOS limits.
Copper0.272 ppmIrving tap-sample 90th percentile2024Below 1.3 ppm action level
Barium0.038 ppmDallas-supplied water maximum2025Below 2 ppm MCL
E. coli0 positive samplesIrving distribution monitoring2025No positive samples reportedThis is historical utility monitoring, not a home test.

ppm ≈ mg/L; ppb ≈ µg/L; ppt ≈ ng/L in drinking water. Hardness in gpg = mg/L as CaCO₃ ÷ 17.1. ND means not detected at the method’s reporting limit—not zero.

MCL is a maximum contaminant level. MRDL is a disinfectant limit. Lead/copper action levels use system sampling percentiles and are not a safe-tap threshold. TTHM/HAA5 compliance uses locational annual averages.

PFOA/PFOS comparisons use EPA’s 4 ppt values. Historical detections are not a present compliance finding; EPA assesses compliance using running annual averages. Rule implementation is being reviewed. EPA PFAS benchmarks and implementation ↗

Hardness source ↗USGS hardness classification ↗

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Source water. Irving’s water-report tables distinguish the purchased treated-water supply from water sampled in the Irving distribution system. That distinction changes which result belongs on your city page.

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More about your local water

What this means for your home

Use Irving’s local results, not a neighboring city’s average.

Irving shares some treated-water figures with Dallas, but its chloramine, disinfection byproducts and lead samples are reported separately. This distinction is why Irving has its own page rather than a copy of the Dallas report.

Filter vs. softener: what each doesPlan installation with your plumber

A useful local question

Do Irving’s PFAS averages describe all water samples?

No. The report says nondetects were excluded from its PFAS average calculations. We label the figures as detected-only averages and show the sample year so they are not mistaken for an overall average or a current tap result.

Sources and methodology

We keep each utility’s results separate, show the reported sample year, and distinguish averages, maxima and tap-sampling percentiles. Hardness classifications use USGS ranges. Missing data stays unknown.

Sources checked October 22, 2026

Your water → your home → your system

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