Milliken, CO tap water
Supplied mostly by Town of Milliken, 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 (2013–2019).
Nitrate (NO₃)
Up to 23 ppm (Worth knowing)
Typical 23 ppm
High for tap water. Water changes can't take your tank's nitrate below this level.
From EPA monitoring data; Carter Lake Filter Plant, which supplies Little Thompson WD (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 figure34–90 ppm
Typical 62 ppm
Moderate buffering. pH should stay fairly steady.
From the utility that supplies yours: City of Greeley, which supplies Town of Milliken, measured before treatment (2012–2019).
pH
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
- Town of Milliken and Little Thompson WD add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Milliken, CO
Town of Milliken
Serves 56% of residents · Buys water from Central Weld Cnty WD · Chlorine
Little Thompson WD
Serves 38% of residents · Buys water from Carter Lake Filter Plant · 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.