Falmouth, KY tap water
Supplied mostly by Falmouth Water Department, 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)
2.2–4 ppm (Low)
Typical 2.2 ppm
Low, so water changes lower your tank's nitrate well.
From EPA monitoring data; Northern Kentucky Water District and Falmouth Water Department, which supplies Pendleton Co Water District #1 / North (2012–2025).
Water chemistry
General hardness
Supplier's figure78–168 ppm
Typical 126 ppm
Moderately soft to medium. Suits most community fish and plants.
From the utility that supplies yours: Northern Kentucky Water District, which supplies Pendleton Co Water District #1 / North (2025).
Carbonate hardness (alkalinity)
37–125 ppm
Typical 86 ppm
Moderate buffering. pH should stay fairly steady.
From EPA monitoring data, measured before treatment; Northern Kentucky Water District and Falmouth Water Department, which supplies Pendleton Co Water District #1 / North (2012–2025).
pH
7–7.8
Typical 7.8
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data; Northern Kentucky Water District and Falmouth Water Department, which supplies Pendleton Co Water District #1 / North (2012–2025).
Total dissolved solids
Supplier's figure108–298 ppm
Typical 208 ppm
A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.
From the utility that supplies yours: Northern Kentucky Water District, which supplies Pendleton Co Water District #1 / North (2025).
- Pendleton Co Water District #1 / North adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Falmouth, KY
Falmouth Water Department
Serves 74% of residents · Lake or river water · Chlorine
Pendleton Co Water District #1 / North
Serves 12% of residents · Buys water from Northern Kentucky Water District · 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.