Madrid, IA tap water
Supplied mostly by Madrid Water Department, 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
Nitrate (NO₃)
2.9 ppm (Low)
Low, so water changes lower your tank's nitrate well.
From EPA monitoring data; Madrid Water Department, which supplies Xenia RWD (Madrid) (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.
- Madrid Water Department and Xenia RWD (Madrid) soften their water at the plant, so it may be softer than the local groundwater.
Who supplies Madrid, IA
Madrid Water Department
Serves all residents · Groundwater fed by surface water · Chlorine
Xenia RWD (Madrid)
Serves 50% of residents · Buys water from Madrid Water Department · 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.