Oxford, NJ tap water
Part of Oxford is supplied by Highlander Hills Estates. Here's what its water means for your fish.
Disinfectant
Not confirmed
We couldn't confirm how utility water here is disinfected. US utilities use chlorine or chloramine, and chloramine doesn't gas off when water sits out.
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 (2015).
Nitrate (NO₃)
7 ppm (Low)
Water changes can't take your tank's nitrate below this level.
From EPA monitoring data (2012–2019).
Water chemistry
General hardness
Area estimate84–382 ppm
Typical 254 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 county (2000–2022).
Carbonate hardness (alkalinity)
41 ppm
Moderate buffering. pH should stay fairly steady.
From EPA monitoring data (2012–2015).
pH
6.3
Acidic. Stable water matters more than the exact number.
From EPA monitoring data (2012–2015).
Total dissolved solids
Area estimate94–500 ppm
Typical 268 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 (2000–2022).
Who supplies Oxford, NJ
Highlander Hills Estates
Serves 21% of residents · Groundwater (wells) · Disinfectant not listed
We couldn't fully map which utility serves Oxford. These numbers come from the utility we matched, which serves about 21% of residents.
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.