Blackwood, NJ tap water
Supplied by Aqua NJ - Blackwood. 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
Nitrite (NO₂)
Not detected (Low)
Not detected in testing, so any nitrite in your tank comes from the tank itself.
From EPA monitoring data (2012–2018).
Nitrate (NO₃)
Up to 9.3 ppm (Low)
Typically not detected
Not detected in testing, so water changes lower your tank's nitrate well.
From EPA monitoring data (2012–2019).
Water chemistry
General hardness
Supplier's figure128 ppm
Moderately soft to medium. Suits most community fish and plants.
From the utility that supplies yours: New Jersey American Water – Western, which supplies Aqua NJ - Blackwood (2025).
Carbonate hardness (alkalinity)
80–113 ppm
Typical 94 ppm
Moderate buffering. pH should stay fairly steady.
From EPA monitoring data (2012–2019).
pH
7–8.1
Typical 8
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data (2012–2019).
- Aqua NJ - Blackwood adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Blackwood, NJ
Aqua NJ - Blackwood
Serves all residents · Buys water from New Jersey American Water – Western · 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.
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Compiled by Shoal & Stem from public records. Free to cite with a link.