Is Glendale tap water safe to drink?

Yes but with caveats

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

73/100
Purity Score
3
Issues Found
12.7 GPG
Hardness
Unknown
PFAS

3 Issues Detected in Glendale

Very Hard Water (12.7 GPG)

Hard water causes scale in pipes and shortens appliance lifespan.

Hardness data for Glendale

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Glendale

Arsenic Approaching Limit (0.5 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Glendale
Arizona

853,018,530,285,303 · Colorado River

Glendale, AZ Water Quality Report

Moderate Risk Updated March 2026 246,709 residents
73
Purity Score

Health Insights

  • 1
    At 12.7 GPG, Glendale's water qualifies as very hard. This can cause limescale in pipes and shorten appliance lifespan.
  • 2
    PFAS testing data is limited for Glendale. Residents concerned about exposure may want to test independently.
  • 3
    Chlorine levels may affect the taste of Glendale's tap water. A carbon filter improves flavor.

Score

73 /100
Moderate
"Good" threshold (70)

Glendale tap water is sourced from Colorado River and treated by City of Glendale Water Services. Water hardness is very hard at 12.7 GPG which may cause scale buildup. TDS is 525 ppm which is above the EPA secondary guideline of 500 ppm. Overall purity score: 73/100 (Moderate). Updated for 2026.

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Glendale Water FAQ

Is Glendale AZ tap water safe to drink in 2026?
Glendale tap water meets EPA federal drinking water standards and scores 73/100 (Moderate) 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 Glendale AZ use chlorine or chloramine for disinfection?
Glendale uses chloramine as the primary disinfectant with a residual level of 1.5 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 Glendale AZ water and what is the TDS level?
Glendale water hardness is 12.7 grains per gallon (very hard) with a TDS of 525 ppm (unacceptable). 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 Glendale AZ drinking water?
PFAS testing data for Glendale is incomplete or pending under EPA UCMR5 monitoring. Check your utility CCR report for the latest results. A certified filter provides precautionary protection.
What is the best water filter for Glendale?
Based on Glendale's water profile, we recommend the AFWFilters 5600sxt 48000 Grain Softener. Glendale has very hard water (12.7 GPG) and elevated chlorine. A whole-house carbon plus softener system handles both.

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • City of Glendale Water Services CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

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