West Lafayette, IN tap water
Supplied mostly by Indiana American Water - West Lafayette, 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 (2012–2019).
Nitrate (NO₃)
Up to 5.8 ppm (Low)
Typical 4.2 ppm
Low, so water changes lower your tank's nitrate well.
From EPA monitoring data (2012–2019).
Water chemistry
General hardness
Area estimate150–462 ppm
Typical 318 ppm
Hard. Ideal for livebearers and African cichlids. Soft-water species may struggle to breed.
Area estimate from nearby wells: USGS well samples in your state (2000–2023).
Carbonate hardness (alkalinity)
Area estimate100–372 ppm
Typical 262 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
Area estimate from nearby wells: USGS well samples in your state (2000–2023).
pH
Area estimate6.8–7.8
Typical 7.3
Most community fish do well here. Stable water matters more than the exact number.
Area estimate from nearby wells: USGS well samples in your state (2000–2024).
Total dissolved solids
Area estimate178–544 ppm
Typical 330 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 (2000–2024).
- Indiana American Water - West Lafayette and Purdue Univ. Water Works add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies West Lafayette, IN
Indiana American Water - West Lafayette
Serves 63% of residents · Groundwater (wells) · Chlorine
Purdue Univ. Water Works
Serves 35% of 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.