Alexandria, LA tap water
Supplied by City of Alexandria Water System. Here's what its 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)
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 estimate1–20 ppm
Typical 9 ppm
Soft. Good for tetras, rasboras and most shrimp. Livebearers, snails and African cichlids prefer harder water.
Area estimate from nearby wells: USGS well samples in your county (2000–2020).
Carbonate hardness (alkalinity)
17–395 ppm
Typical 194 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From EPA monitoring data, measured before treatment (2013–2019).
pH
5.9–8.3
Typical 7.6
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data, measured before treatment (2013–2019).
Total dissolved solids
Area estimate46–750 ppm
Typical 200 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).
- City of Alexandria Water System adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Alexandria, LA
City of Alexandria Water System
Serves all residents · Groundwater (wells) · 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.