Gueydan, LA tap water
Supplied by Town of Gueydan Water System. Here's what its water means for your fish.
Disinfectant
Chloramine
Your water is treated with chloramine. Unlike chlorine, it doesn't gas off when water sits out, and many pitcher and fridge filters aren't rated to remove it. Conditioners that list chloramine on the label break it apart, which frees a little ammonia. Some utilities switch to plain chlorine for a few weeks a year.
Safety for fish and shrimp
Nitrate (NO₃)
Area estimate0.1–11 ppm (Low)
Typical 0.9 ppm
Low, so water changes lower your tank's nitrate well.
Area estimate from nearby wells: USGS well samples in your state (2000–2021).
Water chemistry
General hardness
Area estimate139–306 ppm
Typical 212 ppm
Moderately hard. Great for livebearers, and most community fish adapt.
Area estimate from nearby wells: USGS well samples in your county (2000–2020).
Carbonate hardness (alkalinity)
363–374 ppm
Typical 366 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From EPA monitoring data, measured before treatment (2014–2017).
pH
6.9–7.2
Typical 7.1
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data, measured before treatment (2014–2017).
Total dissolved solids
Area estimate161–609 ppm
Typical 297 ppm
A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.
Area estimate from nearby wells: USGS well samples in your county (2000–2020).
Who supplies Gueydan, LA
Town of Gueydan Water System
Serves 79% of residents · Groundwater (wells) · 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.
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.