Kathleen, FL tap water
Part of Kathleen is supplied by Northwest, plus 1 other utility. Here's what its water means for your fish.
Disinfectant
Chlorine
Utility water here 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)
Up to 6.4 ppm (Low)
Typically not detected
Not detected in testing, so water changes lower your tank's nitrate well.
From EPA monitoring data (2012–2019).
Chlorine or chloramine at the tap
1.8–2.8 ppm
Typical 2 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 the utility: City of Lakeland, Department of Water Utilities' 2025 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)
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
pH
7.2–8.1
Typical 7.8
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data (2012–2017).
Who supplies Kathleen, FL
Northwest
Serves 21% of residents · Groundwater (wells) · Chlorine
- 2025 water quality report
City of Lakeland, Department of Water Utilities
Serves 8% of residents · Groundwater (wells) · Chlorine
We couldn't fully map which utility serves Kathleen. These numbers come from the utilities we matched, which serve about 29% of residents.
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.