Kirkland, WA tap water
Supplied mostly by City of Kirkland, 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
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: Seattle Public Utilities, which supplies City of Kirkland; Seattle Public Utilities, which supplies Northshore Utility District; Seattle Public Utilities, which supplies Woodinville Water District (2012–2019).
Water chemistry
General hardness
Supplier's figure25 ppm
Soft. Good for tetras, rasboras and most shrimp. Livebearers, snails and African cichlids prefer harder water.
From the utility that supplies yours: Seattle Public Utilities, which supplies City of Kirkland; Seattle Public Utilities, which supplies Northshore Utility District; Seattle Public Utilities, which supplies Woodinville Water District.
Carbonate hardness (alkalinity)
Supplier's figure23 ppm
Little buffering. pH can drop quickly between water changes, especially with CO₂ or an older tank.
From the utility that supplies yours: Seattle Public Utilities, which supplies City of Kirkland; Seattle Public Utilities, which supplies Northshore Utility District; Seattle Public Utilities, which supplies Woodinville Water District.
pH
Supplier's figure7.5–8.5
Typical 8.3
Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.
From the utility that supplies yours: Seattle Public Utilities, which supplies City of Kirkland; Seattle Public Utilities, which supplies Northshore Utility District; Seattle Public Utilities, which supplies Woodinville Water 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 Kirkland; Seattle Public Utilities, which supplies Northshore Utility District; Seattle Public Utilities, which supplies Woodinville Water District.
Who supplies Kirkland, WA
City of Kirkland
Serves 50% of residents · Buys water from Seattle Public Utilities · Chlorine
Northshore Utility District
Serves 40% of residents · Buys water from Seattle Public Utilities · Chlorine
Woodinville Water District
Serves 10% 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.