Lake Cassidy, WA tap water
Supplied mostly by Sno PUD 1 - Lake Stevens, plus 2 other utilities. 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 figure0.4–23 ppm (Low)
Typical 0.4 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: City of Everett Public Works Dept., which supplies Sno PUD 1 - Lake Stevens; 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 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 Sno PUD 1 - Lake Stevens; City of Everett Public Works Dept., which supplies Marysville Utilities (2012–2018).
pH
Supplier's figure7.7
Most community fish do well here. Stable water matters more than the exact number.
From the utility that supplies yours: City of Everett Public Works Dept., which supplies Sno PUD 1 - Lake Stevens; City of Everett Public Works Dept., which supplies Marysville Utilities (2015).
Who supplies Lake Cassidy, WA
Sno PUD 1 - Lake Stevens
Serves 80% of residents · Buys water from City of Everett Public Works Dept. · Chlorine
Marysville Utilities
Serves 18% of residents · Buys water from City of Everett Public Works Dept. · Chlorine
Roseland Community Club Association
Serves 16% of residents · Groundwater (wells) · Disinfectant not listed
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.