Avondale, AZ tap water
Supplied by City of Avondale. Here's what its water means for your fish.
Disinfectant
Chlorine
Your water is treated with chlorine. It slowly gases off from standing water, and any water conditioner removes it.
Safety for fish and shrimp
Nitrite (NO₂)
Not detected (Low)
Not detected in testing, so any nitrite in your tank comes from the tank itself.
From EPA monitoring data (2012–2019).
Nitrate (NO₃)
9.4–35 ppm (Worth knowing)
Typical 22 ppm
High for tap water. Water changes can't take your tank's nitrate below this level.
From EPA monitoring data (2012–2019).
Water chemistry
General hardness
Supplier's figure171–302 ppm
Typical 236 ppm
Hard. Ideal for livebearers and African cichlids. Soft-water species may struggle to breed.
From the utility that supplies yours: City of Phoenix, which supplies City of Avondale (2025).
Carbonate hardness (alkalinity)
153–200 ppm
Typical 157 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From EPA monitoring data (2012–2014).
pH
7.5–7.9
Typical 7.8
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data (2012–2014).
Total dissolved solids
Supplier's figure464–716 ppm
Typical 590 ppm
A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.
From the utility that supplies yours: City of Phoenix, which supplies City of Avondale (2025).
- City of Avondale adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
- City of Avondale softens its water at the plant, so it may be softer than the local groundwater.
Who supplies Avondale, AZ
City of Avondale
Serves 94% of residents · Buys water from City of Phoenix · Chlorine
Our data comes from public records and is still incomplete. Many utilities don't publish every number, so we're adding more all the time. Your city's range is a starting point: testing your own tap is the only way to know exactly what's in it.
Tap water lookup covers US cities only for now. Want to know why it matters? Read our story on tap water.
Compiled by Shoal & Stem from public records. Free to cite with a link.