Snohomish, WA tap water
Supplied by City of Snohomish. 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)
Supplier's figureUp to 0.4 ppm (Low)
Typical 0.2 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: City of Everett Public Works Dept. and Sno PUD 1 - Lake Stevens, which supplies City of Snohomish (2012–2019).
Copper at home taps (first draw)
0.08 ppm (Low)
The 90th percentile of first-draw samples from homes: water that sat in household pipes for at least six hours.
Low. Water that sits in household pipes overnight can carry more than this.
Published by your utility: City of Snohomish's 2024 water quality report.
Chlorine or chloramine at the tap
0.1–1.7 ppm
Typical 0.7 ppm
At tap levels, chlorine and chloramine are toxic to fish, shrimp and the bacteria in a filter. Water conditioners are made for this range.
Published by your utility: City of Snohomish's 2024 water quality report.
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 figure15 ppm
Little buffering. pH can drop quickly between water changes, especially with CO₂ or an older tank.
From the utility that supplies yours: City of Everett Public Works Dept., which supplies City of Snohomish (2012–2018).
pH
6.5–9.9
Typical 7.4
Most community fish do well here. Stable water matters more than the exact number.
Published by your utility: City of Snohomish's 2024 water quality report.
Who supplies Snohomish, WA
- 2024 water quality report
City of Snohomish
Serves 95% of residents · Buys water from City of Everett Public Works Dept. · 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.