Millville, NJ tap water
Supplied by Millville Water Department. 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)
Up to 22 ppm (Worth knowing)
Typical 14 ppm
Water changes can't take your tank's nitrate below this level.
From EPA monitoring data (2012–2017).
Water chemistry
General hardness
Area estimate10–376 ppm
Typical 52 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 (2000–2023).
Carbonate hardness (alkalinity)
3–13 ppm
Typical 5 ppm
Little buffering. pH can drop quickly between water changes, especially with CO₂ or an older tank.
From EPA monitoring data (2014–2019).
pH
7.4–8.1
Typical 7.7
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data (2018–2019).
Total dissolved solids
Area estimate30–1046 ppm
Typical 80 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 (2000–2023).
Who supplies Millville, NJ
Millville Water Department
Serves 99% 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.