Lockland, OH tap water
Supplied mostly by Lockland Village 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 (2012–2018).
Nitrate (NO₃)
Up to 5.5 ppm (Low)
Typically not detected
Not detected in testing, so water changes lower your tank's nitrate well.
From EPA monitoring data; Greater Cincinnati Water Works (GCWW)'s 2025 water quality report (2012–2025).
Copper at home taps (first draw)
0.02–0.43 ppm (Low)
The 90th percentile of first-draw samples from homes: water that sat in household pipes for at least six hours.
Low. Water that sits in household pipes overnight can carry more than this.
Published by your utility: Greater Cincinnati Water Works (GCWW)'s 2025 water quality report.
Chlorine or chloramine at the tap
1.1–1.3 ppm
Typical 1.2 ppm
At tap levels, chlorine and chloramine are toxic to fish, shrimp and the bacteria in a filter. Water conditioners are made for this range.
Published by your utility: Greater Cincinnati Water Works (GCWW)'s 2025 water quality report.
Water chemistry
General hardness
126–140 ppm
Typical 126 ppm
Moderately soft to medium. Suits most community fish and plants.
Published by your utility: Greater Cincinnati Water Works (GCWW)'s 2025 water quality report.
Carbonate hardness (alkalinity)
74 ppm
Moderate buffering. pH should stay fairly steady.
From EPA monitoring data (2018).
pH
8.9
Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.
From EPA monitoring data (2018).
- Lockland Village PWS and Greater Cincinnati Water Works (GCWW) add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
- Lockland Village PWS and Greater Cincinnati Water Works (GCWW) soften their water at the plant, so it may be softer than the local groundwater.
Who supplies Lockland, OH
Lockland Village PWS
Serves 67% of residents · Groundwater (wells) · Chlorine
- 2025 water quality report
Greater Cincinnati Water Works (GCWW)
Serves 33% of residents · Lake or river water · 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.