Prairieville, LA tap water
Supplied by Baton Rouge Water Company. 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 about 0.49 ppm of ammonia here. Some utilities switch to plain chlorine for a few weeks a year.
Safety for fish and shrimp
Ammonia (with conditioner)
Estimate0.11–0.78 ppm (Low)
Typical 0.49 ppm
This is what a conditioner frees when it breaks the chloramine apart. A cycled filter clears it within a day.
Estimated from the chloramine level Baton Rouge Water Company reports (2025).
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).
Copper at home taps (first draw)
Up to 0.04 ppm (Low)
The 90th percentile of first-draw samples from homes: water that sat in household pipes for at least six hours.
Not detected in testing. Water that sits in household pipes overnight can still pick some up.
Published by your utility: Baton Rouge Water Company's 2025 water quality report.
Chlorine or chloramine at the tap
0.4–3.2 ppm
Typical 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: Baton Rouge Water Company's 2025 water quality report.
Water chemistry
General hardness
0–52 ppm
Typical 26 ppm
Soft. Good for tetras, rasboras and most shrimp. Livebearers, snails and African cichlids prefer harder water.
Published by your utility: Baton Rouge Water Company's 2025 water quality report.
Carbonate hardness (alkalinity)
124–212 ppm
Typical 143 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From EPA monitoring data, measured before treatment (2012–2019).
pH
5.2–8.9
Typical 7
Most community fish do well here. Stable water matters more than the exact number.
Published by your utility: Baton Rouge Water Company's 2025 water quality report.
Total dissolved solids
Area estimate46–750 ppm
Typical 252 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 state (2000–2021).
- Baton Rouge Water Company adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Prairieville, LA
- 2025 water quality report
Baton Rouge Water Company
Serves 86% 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.