Hanover Park, IL tap water
Supplied by Hanover Park. Here's what its 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 (2012–2019).
Nitrate (NO₃)
1–1.3 ppm (Low)
Typical 1.2 ppm
Low, so water changes lower your tank's nitrate well.
From EPA monitoring data (2012–2019).
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 Hanover Park.
Carbonate hardness (alkalinity)
100–137 ppm
Typical 112 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From EPA monitoring data (2017–2018).
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 Hanover Park (2025).
- Hanover Park adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Hanover Park, IL
Hanover Park
Serves 99% of residents · Buys water from Northwest Suburban Municipal Jawa · 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.