Macopin, NJ tap water
Supplied mostly by Passaic Valley W C High Crest, 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
Nitrate (NO₃)
Supplier's figureUp to 38 ppm (Low)
Typically not detected
Not detected in testing, so water changes lower your tank's nitrate well.
From the utility that supplies yours: Butler Water Dept, which supplies Passaic Valley W C High Crest; EPA monitoring data (2012–2019).
Water chemistry
General hardness
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
Carbonate hardness (alkalinity)
Supplier's figure26–134 ppm
Typical 79 ppm
Moderate buffering. pH should stay fairly steady.
From the utility that supplies yours: Butler Water Dept and Boonton Water Dept, which supplies Passaic Valley W C High Crest; EPA monitoring data (2012–2019).
pH
Supplier's figure6.7–7.5
Typical 7.2
Most community fish do well here. Stable water matters more than the exact number.
From the utility that supplies yours: Butler Water Dept and Boonton Water Dept, which supplies Passaic Valley W C High Crest; EPA monitoring data (2012–2019).
- Passaic Valley W C High Crest adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Macopin, NJ
Passaic Valley W C High Crest
Serves 53% of residents · Buys water from Butler Water Dept · Chlorine
Wonder Lake Properties I
Serves 24% 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.