Granger, IA tap water
Supplied mostly by Granger Muni Water Supply, plus 1 other utility. Here's what the water means for your fish.
Disinfectant
Chlorine or chloramine
Utilities here use chlorine or chloramine, depending on which one serves your address. Chlorine slowly gases off from standing water; chloramine doesn't.
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 (2013–2019).
Nitrate (NO₃)
3.1–26 ppm (Low)
Typical 3.1 ppm
Low, so water changes lower your tank's nitrate well.
From EPA monitoring data; Des Moines Water Works, which supplies Xenia RWD (Des Moines) (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)
259–365 ppm
Typical 365 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From EPA monitoring data; Des Moines Water Works, which supplies Xenia RWD (Des Moines) (2012–2019).
pH
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
- Granger Muni Water Supply and Xenia RWD (Des Moines) add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Granger, IA
Granger Muni Water Supply
Serves 84% of residents · Groundwater (wells) · Chlorine
Xenia RWD (Des Moines)
Serves 45% of residents · Buys water from Warren Water District · Chloramine
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.
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Compiled by Shoal & Stem from public records. Free to cite with a link.