Indian Head Park, IL tap water
Supplied mostly by Indian Head Park, 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)
Supplier's figure1.4–1.6 ppm (Low)
Typical 1.6 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: Chicago, which supplies Indian Head Park; Chicago, which supplies Burr Ridge (2025).
Water chemistry
General hardness
Supplier's figure130–151 ppm
Typical 140 ppm
Moderately soft to medium. Suits most community fish and plants.
From the utility that supplies yours: Chicago, which supplies Indian Head Park; Chicago, which supplies Burr Ridge.
Carbonate hardness (alkalinity)
Supplier's figure116–126 ppm
Typical 121 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From the utility that supplies yours: Chicago, which supplies Indian Head Park; Chicago, which supplies Burr Ridge (2017–2019).
pH
Supplier's figure8.2–9.4
Typical 8.8
Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.
From the utility that supplies yours: Chicago, which supplies Indian Head Park; Chicago, which supplies Burr Ridge (2025).
- Indian Head Park and Burr Ridge add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Indian Head Park, IL
Indian Head Park
Serves 91% of residents · Buys water from Countryside · Chlorine
Burr Ridge
Serves 9% of residents · Buys water from Bedford Park · 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.
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Compiled by Shoal & Stem from public records. Free to cite with a link.