Unicoi, TN tap water
Supplied mostly by Unicoi Utility District, 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 (2016–2019).
Nitrate (NO₃)
Supplier's figure0.8–15 ppm (Low)
Typical 4.3 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: Erwin Utilities Authority, which supplies Unicoi Utility District; EPA monitoring data (2014–2019).
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)
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
pH
Supplier's figure7.4–7.8
Typical 7.7
Most community fish do well here. Stable water matters more than the exact number.
From the utility that supplies yours: Erwin Utilities Authority, which supplies Unicoi Utility District; EPA monitoring data (2014–2019).
- Unicoi Utility District and Johnson City Water Dept add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Unicoi, TN
Unicoi Utility District
Serves 72% of residents · Buys water from Erwin Utilities Authority · Chlorine
Johnson City Water Dept
Serves 28% 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.
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.