South Lebanon, OH tap water
Supplied mostly by South Lebanon City PWS, 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
Nitrite (NO₂)
Not detected (Low)
Not detected in testing, so any nitrite in your tank comes from the tank itself.
From EPA monitoring data (2013–2017).
Nitrate (NO₃)
Supplier's figure2.1–5.5 ppm (Low)
Typical 4.9 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: Cincinnati Public Water System, which supplies South Lebanon City PWS; EPA monitoring data (2012–2025).
Water chemistry
General hardness
Supplier's figure126–140 ppm
Typical 126 ppm
Moderately soft to medium. Suits most community fish and plants.
From the utility that supplies yours: Cincinnati Public Water System, which supplies South Lebanon City PWS (2025).
Carbonate hardness (alkalinity)
Supplier's figure74 ppm
Moderate buffering. pH should stay fairly steady.
From the utility that supplies yours: Cincinnati Public Water System, which supplies South Lebanon City PWS (2018).
pH
Supplier's figure8.9
Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.
From the utility that supplies yours: Cincinnati Public Water System, which supplies South Lebanon City PWS (2018).
- South Lebanon City PWS and Warren County add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
- South Lebanon City PWS and Warren County soften their water at the plant, so it may be softer than the local groundwater.
Who supplies South Lebanon, OH
South Lebanon City PWS
Serves 47% of residents · Buys water from Cincinnati Public Water System · Chlorine
Warren County
Serves 42% 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.
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Compiled by Shoal & Stem from public records. Free to cite with a link.