Ajo, AZ tap water
Supplied mostly by Ajo Improvement Company, plus 3 other utilities. Here's what the 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).
Nitrate (NO₃)
16–39 ppm (Worth knowing)
Typical 16 ppm
Water changes can't take your tank's nitrate below this level.
From EPA monitoring data; Ajo Improvement Company, which supplies Arizona Water Co - Ajo; Ajo Improvement Company, which supplies Ajo Dwid (2012–2019).
Water chemistry
General hardness
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
Carbonate hardness (alkalinity)
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
pH
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
- Ajo Improvement Company, Arizona Water Co - Ajo and Ajo Dwid soften their water at the plant, so it may be softer than the local groundwater.
Who supplies Ajo, AZ
Ajo Improvement Company
Serves 60% of residents · Groundwater (wells) · Chlorine
Arizona Water Co - Ajo
Serves 32% of residents · Buys water from Ajo Improvement Company · Chlorine
Charco 27
Serves 10% of residents · Groundwater (wells) · Chlorine
Ajo Dwid
Serves 8% of residents · Buys water from Ajo Improvement Company · 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.