Long Grove, IL tap water
About 49% of Long Grove is inside a utility's service area. Homes outside it likely use private wells, which no utility tests.
Disinfectant
Chlorine
Utility water here is treated with chlorine. It slowly gases off from standing water, and any water conditioner removes it. Private wells aren't treated by a utility, so there's no chlorine or chloramine unless a treatment system adds 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)
Supplier's figureUp to 1.8 ppm (Low)
Typical 1.8 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies it: Central Lake County Jawa, which supplies Vernon Hills - Lake Co Pw; EPA monitoring data (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)
Supplier's figure111–270 ppm
Typical 111 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From the utility that supplies it: Central Lake County Jawa, which supplies Vernon Hills - Lake Co Pw; EPA monitoring data (2017–2018).
pH
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
- Vernon Hills - Lake Co Pw and Countryside Lake Subdivision -Lake Co Pw add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Long Grove, IL
Vernon Hills - Lake Co Pw
Serves 22% of residents · Buys water from Central Lake County Jawa · Chlorine
Countryside Lake Subdivision -Lake Co Pw
Serves 6% 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.