Rye, NY tap water
Supplied mostly by Veolia Water New York, Inc. Rd-2, 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)
Supplier's figureUp to 5.8 ppm (Low)
Typical 0.4 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: Westchester Joint Water Works and Aquarion-Eastern Fairfield County, which supplies Veolia Water New York, Inc. Rd-2; EPA monitoring data (2012–2025).
Water chemistry
General hardness
Supplier's figure34–86 ppm
Typical 51 ppm
Soft. Good for tetras, rasboras and most shrimp. Livebearers, snails and African cichlids prefer harder water.
From the utility that supplies yours: Aquarion-Eastern Fairfield County, which supplies Veolia Water New York, Inc. Rd-2 (2025).
Carbonate hardness (alkalinity)
Supplier's figure13–60 ppm
Typical 21 ppm
Little buffering. pH can drop quickly between water changes, especially with CO₂ or an older tank.
From the utility that supplies yours: Aquarion-Eastern Fairfield County, which supplies Veolia Water New York, Inc. Rd-2 (2012–2019).
pH
Supplier's figure7–8
Typical 7.4
Most community fish do well here. Stable water matters more than the exact number.
From the utility that supplies yours: Westchester Joint Water Works and Aquarion-Eastern Fairfield County, which supplies Veolia Water New York, Inc. Rd-2; EPA monitoring data (2016–2025).
- Veolia Water New York, Inc. Rd-2 and Westchester Joint Water Works add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
- Veolia Water New York, Inc. Rd-2 softens its water at the plant, so it may be softer than the local groundwater.
Who supplies Rye, NY
Veolia Water New York, Inc. Rd-2
Serves 95% of residents · Buys water from Westchester Joint Water Works · Chlorine
Westchester Joint Water Works
Serves 6% of residents · Lake or river water · 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.