1
Hard water (9.1 gpg) can cause scale buildup in pipes and appliances but is generally safe to drink.
2
Chlorine levels are within EPA limits but may affect taste and smell.

Current 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.

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The Best Water Filter For Arlington Homes

Matched to local water issues and filtration standards.

Best for Arlington

Waterdrop 10UA Under-Sink Filter

Under-Sink Carbon Filter

Price Range $40–60

Top Pick for Arlington

Waterdrop 10UA Under-Sink Filter

Arlington has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Why this fits Arlington

Removes chlorine and chloramine taste and odor
Reduces disinfection byproducts THMs and HAAs
Easy installation and filter lasts 6 to 12 months

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Want to know exactly what's in YOUR tap?

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Frequently Asked Questions

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.