Exceeds EPA Limit Copper EXCEEDS EPA LIMIT

Copper in Phoenix, AZ Drinking Water

Copper data for Phoenix, Arizona · 1,454,993 residents · 78 ZIP codes

Not every city shows Copper in its water data; in Phoenix, Arizona, federal sampling has confirmed its presence at detectable levels in at least one recent reporting cycle.

90 ppb
Max Level Detected
90 ppb
Average Level
1.3 mg/L (action level)
EPA action level
Moderate
Health Risk
Reverse Osmosis or NSF 53 Carbon Block
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05

Copper in Phoenix Tap Water

Copper has been detected in Phoenix, Arizona drinking water at a maximum level of 90 ppb — below the EPA action level of 1.3 mg/L (action level).

This analysis covers 1,454,993 residents across 78 ZIP codes in Phoenix.

Phoenix's overall water quality grade is D (53/100).

Is Copper in Phoenix Water Safe?

Copper levels in parts of Phoenix exceed the EPA action level of 1.3 mg/L (action level). The EPA requires water systems to take corrective action when this limit is exceeded.

If you live in an affected ZIP code, consider installing a reverse osmosis or nsf 53 carbon block filter certified under NSF 53 and testing your water independently.

Copper Levels by ZIP Code

ZIP Code Copper Level EPA Limit Status
85001 90 ppm 1.3 mg/L (action level) OK
85002 90 ppm 1.3 mg/L (action level) OK
85003 90 ppm 1.3 mg/L (action level) OK
85004 90 ppm 1.3 mg/L (action level) OK
85005 90 ppm 1.3 mg/L (action level) OK
85006 90 ppm 1.3 mg/L (action level) OK
85007 90 ppm 1.3 mg/L (action level) OK
85008 90 ppm 1.3 mg/L (action level) OK
85009 90 ppm 1.3 mg/L (action level) OK
85010 90 ppm 1.3 mg/L (action level) OK
85011 90 ppm 1.3 mg/L (action level) OK
85012 90 ppm 1.3 mg/L (action level) OK
85013 90 ppm 1.3 mg/L (action level) OK
85014 90 ppm 1.3 mg/L (action level) OK
85015 90 ppm 1.3 mg/L (action level) OK
85016 90 ppm 1.3 mg/L (action level) OK
85017 90 ppm 1.3 mg/L (action level) OK
85018 90 ppm 1.3 mg/L (action level) OK
85019 90 ppm 1.3 mg/L (action level) OK
85020 90 ppm 1.3 mg/L (action level) OK
85021 90 ppm 1.3 mg/L (action level) OK
85022 90 ppm 1.3 mg/L (action level) OK
85023 90 ppm 1.3 mg/L (action level) OK
85024 90 ppm 1.3 mg/L (action level) OK
85025 90 ppm 1.3 mg/L (action level) OK
...53 more ZIP codes

Average copper level across Phoenix: 90 ppb

Health Effects of Copper

  • Nausea, vomiting, and diarrhea (short-term, high levels)
  • Liver and kidney damage (long-term)
  • Particularly dangerous for people with Wilson's disease
  • Infants are more sensitive than adults

Health risk severity: Moderate. Governed by the Lead and Copper Rule.

How Copper Gets Into Drinking Water

  • Corrosion of copper household plumbing
  • Acidic (low pH) water accelerates copper leaching
  • New copper pipes leach more than aged ones
  • Mining and industrial discharge (rare for tap water)

What to Do About Copper in Phoenix Water

  1. Run water for 30-60 seconds before use (flushes stagnant water)
  2. Install an NSF 53 or NSF 58 certified filter
  3. If pH is low, consider a whole-home acid neutralizer
  4. Test first-draw morning water to check actual copper levels

Look for filters certified under NSF 53 for copper removal.

Related

HomeContaminantsCopperArizona → Phoenix
Check your water filter options Free tool — no phone call required.