Whitemarsh Island, GA tap water
Supplied mostly by Savannah-Whitemarsh Island, 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)
Area estimate0.6–93 ppm (Low)
Typical 6.4 ppm
Water changes can't take your tank's nitrate below this level.
Area estimate from nearby wells: USGS well samples in your county (2000–2005).
Water chemistry
General hardness
Area estimate93–1126 ppm
Typical 100 ppm
Moderately soft to medium. Suits most community fish and plants.
Area estimate from nearby wells: USGS well samples in your county (2002–2015).
Carbonate hardness (alkalinity)
Area estimate103–175 ppm
Typical 112 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
Area estimate from nearby wells: USGS well samples in your county (2002–2015).
pH
Area estimate7.8–8.2
Typical 8.1
Alkaline. Stability matters more than the exact number.
Area estimate from nearby wells: USGS well samples in your county (2002–2015).
Total dissolved solids
Area estimate64–3255 ppm
Typical 129 ppm
A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.
Area estimate from nearby wells: USGS well samples in your county (2002–2015).
Who supplies Whitemarsh Island, GA
Savannah-Whitemarsh Island
Serves 75% of residents · Groundwater (wells) · Chlorine
Grays Subdivision
Serves 7% of residents · Groundwater (wells) · 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.