Bellevue, WA tap water
Supplied mostly by City of Bellevue, 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 4.7 ppm (Low)
Typical 1.5 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: City of Redmond Water System and Seattle Public Utilities, which supplies City of Bellevue; Seattle Public Utilities, which supplies Coal Creek Utility District (2012–2025).
Water chemistry
General hardness
Supplier's figure20–103 ppm
Typical 23 ppm
Soft. Good for tetras, rasboras and most shrimp. Livebearers, snails and African cichlids prefer harder water.
From the utility that supplies yours: City of Redmond Water System and Seattle Public Utilities, which supplies City of Bellevue; Seattle Public Utilities, which supplies Coal Creek Utility District.
Carbonate hardness (alkalinity)
Supplier's figure19–23 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: City of Redmond Water System and Seattle Public Utilities, which supplies City of Bellevue; Seattle Public Utilities, which supplies Coal Creek Utility District.
pH
Supplier's figure7.5–8.5
Typical 8.2
Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.
From the utility that supplies yours: City of Redmond Water System and Seattle Public Utilities, which supplies City of Bellevue; Seattle Public Utilities, which supplies Coal Creek Utility District.
Total dissolved solids
Supplier's figure36 ppm
A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.
From the utility that supplies yours: Seattle Public Utilities, which supplies City of Bellevue; Seattle Public Utilities, which supplies Coal Creek Utility District.
Who supplies Bellevue, WA
City of Bellevue
Serves 90% of residents · Buys water from City of Redmond Water System · Chlorine
Coal Creek Utility District
Serves 8% of residents · Buys water from Seattle Public Utilities · 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.