Apple Valley, CA tap water
Supplied mostly by Liberty Utilities (Av Ranchos) Corp., plus 1 other utility. 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 (2019).
Nitrate (NO₃)
Up to 9.5 ppm (Low)
Typically not detected
Not detected in testing, so water changes lower your tank's nitrate well.
From EPA monitoring data; California Water Board lab results, measured before treatment (2019–2026).
Copper at home taps
0.03–0.06 ppm (Low)
Typical 0.03 ppm
Low. Water that sits in household pipes overnight can carry more than this.
From California Water Board lab results (2025).
Water chemistry
General hardness
39–290 ppm
Typical 83 ppm
Moderately soft to medium. Suits most community fish and plants.
From California Water Board lab results, measured before treatment (2023–2026).
Carbonate hardness (alkalinity)
66–99 ppm
Typical 78 ppm
Moderate buffering. pH should stay fairly steady.
From California Water Board lab results, measured before treatment (2023–2026).
pH
7.5–8.2
Typical 8.2
Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.
From EPA monitoring data; California Water Board lab results, measured before treatment (2019–2026).
Total dissolved solids
130–605 ppm
Typical 225 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 California Water Board lab results, measured before treatment (2023–2026).
Who supplies Apple Valley, CA
Liberty Utilities (Av Ranchos) Corp.
Serves 84% of residents · Groundwater (wells) · Chlorine
Golden State Water Co - Apple Vly South
Serves 9% of residents · Groundwater (wells) · 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.