Is Arlington tap water safe to drink?

Yes but with caveats

Arlington's water meets EPA minimum standards but has some concerns. Filtration is recommended for sensitive individuals.

78/100
Purity Score
3
Issues Found
9.1 GPG
Hardness
Not detected
PFAS

3 Issues Detected in Arlington

Moderately Hard Water (9.1 GPG)

Hardness above 7 GPG can cause minor scale buildup.

Hardness data for Arlington

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Arlington

Arsenic Approaching Limit (0.4 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Arlington
Texas

760,017,601,076,011 · Lake Arlington and Lake Benbrook

Arlington, TX Water Quality Report

Moderate Risk Updated March 2026 398,854 residents
See Best Filters for Arlington
78
Purity Score

Contaminant Levels

PFAS
ND
Lead
3.2 ppb
Nitrate
0.7 mg/L
Arsenic
0.4 mg/L
Hardness
9.1 gpg

Health Insights

  • 1
    With a hardness of 9.1 GPG, Arlington residents may notice white scale on faucets. Hard water increases maintenance costs.
  • 2
    Chlorine levels may affect the taste of Arlington's tap water. A carbon filter improves flavor.

Score

78 /100
Good
"Good" threshold (70)

Arlington tap water is sourced from Lake Arlington and Lake Benbrook and treated by City of Arlington Water Utilities. Water hardness is hard at 9.1 GPG which may cause scale buildup. Overall purity score: 78/100 (Good). Updated for 2026.

Fix Your Water

Best filters matched to Arlington's 3 issues.

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Arlington Water FAQ

Is Arlington TX tap water safe to drink in 2026?
Arlington tap water meets EPA federal drinking water standards and scores 78/100 (Good) on PurityMap for 2026. For most healthy adults the water is considered safe but point-of-use filtration adds an important layer of protection.
Does Arlington TX use chlorine or chloramine for disinfection?
Arlington uses chloramine as the primary disinfectant with a residual level of 1.4 ppm. Chloramine is harder to remove than free chlorine and requires a catalytic carbon or reverse osmosis filter. Standard Brita-style pitchers will NOT remove chloramine.
How hard is Arlington TX water and what is the TDS level?
Arlington water hardness is 9.1 grains per gallon (hard) with a TDS of 320 ppm (poor). This level causes noticeable scale buildup in water heaters kettles and dishwashers. A water softener is recommended to protect plumbing and reduce soap usage.
Has PFAS been found in Arlington TX drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Arlington drinking water.
What is the best water filter for Arlington?
Based on Arlington's water profile, we recommend the AFWFilters 5600sxt 48000 Grain Softener. Arlington has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Nearby Reports

HoustonTexas — 59/100DallasTexas — 64/100College StationTexas — 69/100LubbockTexas — 71/100San AntonioTexas — 73/100MidlandTexas — 73/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • City of Arlington Water Utilities CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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