Is Tap Water Safe to Drink in Glendale?
Yes, tap water in Glendale, Arizona is safe to drink. The city treats Salt River Project and Colorado River water at its own plants and meets all EPA standards. Like the rest of the Valley, the water is hard.
Water Source
The City of Glendale treats Salt and Verde River water from the SRP canal system and Colorado River water from the Central Arizona Project at its Cholla and Pyramid Peak treatment plants, supplemented by groundwater wells.
EPA Compliance Status
Meets all federal Safe Drinking Water Act standards.
Notable Contaminants & Context
- •High mineral content typical of Phoenix-area supplies — a hardness and taste matter, not a violation
- •Disinfection byproducts are monitored and kept within EPA limits
- •Trace naturally occurring arsenic in regional groundwater is treated and blended below the federal limit
Water Quality Data
Key contaminants detected vs. regulatory limits. All values from the most recent published report — Source: City of Glendale Water Services 2024 CCR.
| Contaminant | Detected | Limit | Status |
|---|---|---|---|
| Chlorine (total) | 1.6 mg/L | 4.0 mg/L | ✓ |
| Fluoride | 0.71 mg/L | 4.0 mg/L | ✓ |
| Lead (90th percentile) | 2.4 µg/L | 15.0 µg/L | ✓ |
| Nitrate (as N) | 2.0 mg/L | 10.0 mg/L | ✓ |
| TTHM (Total Trihalomethanes) | 30.8 µg/L | 80.0 µg/L | ✓ |
| HAA5 (Haloacetic Acids) | 21.3 µg/L | 60.0 µg/L | ✓ |
✓ = below limit ⚠ = above health goal ✗ = exceeds guideline
How It Compares
Glendale's water quality tracks closely with Phoenix and Peoria (it co-owns the Pyramid Peak plant with Peoria); the whole Valley shares hard, mineral-rich but fully compliant water.
Tips
- •A pitcher filter or softener helps taste and appliance scale, not safety
- •Cold storage improves the taste of Valley tap water noticeably
- •Glendale's Consumer Confidence Report is published annually online
Frequently Asked Questions
Sources & References
The safety rating and guidance on this page draw on the following sources. See our full methodology.
- •US EPA Safe Drinking Water Act regulations
- •EWG Tap Water Database
- •The utility's most recent Consumer Confidence Report (CCR)
- •WHO Guidelines for Drinking-water Quality