Carlisle, KY tap water
Supplied mostly by Carlisle Water Department, plus 1 other utility. Here's what the water means for your fish.
Disinfectant
Chlorine or chloramine
Utilities here use chlorine or chloramine, depending on which one serves your address. Chlorine slowly gases off from standing water; chloramine doesn't.
Safety for fish and shrimp
Nitrate (NO₃)
0.2–2.8 ppm (Low)
Typical 2 ppm
Low, so water changes lower your tank's nitrate well.
From EPA monitoring data; Carlisle Water Department and Western Fleming Water District and Kentucky-American Water Co, which supplies Nicholas Co Water District (2012–2025).
Water chemistry
General hardness
Supplier's figure60–343 ppm
Typical 154 ppm
Moderately hard. Great for livebearers, and most community fish adapt.
From the utility that supplies yours: Kentucky-American Water Co, which supplies Nicholas Co Water District (2025).
Carbonate hardness (alkalinity)
17–220 ppm
Typical 77 ppm
Moderate buffering. pH should stay fairly steady.
From EPA monitoring data, measured before treatment; Carlisle Water Department and Kentucky American Water- Millersburg and Western Fleming Water District and Kentucky-American Water Co, which supplies Nicholas Co Water District, measured before treatment (2012–2025).
pH
6.7–8.2
Typical 7.4
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data; Carlisle Water Department and Kentucky American Water- Millersburg and Western Fleming Water District and Kentucky-American Water Co, which supplies Nicholas Co Water District (2012–2025).
Total dissolved solids
Supplier's figure168–492 ppm
Typical 324 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: Kentucky-American Water Co, which supplies Nicholas Co Water District (2025).
- Nicholas Co Water District adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Carlisle, KY
Carlisle Water Department
Serves 71% of residents · Lake or river water · Chlorine
Nicholas Co Water District
Serves 23% of residents · Buys water from Carlisle Water Department · Chloramine
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.