Seabrook Beach, NH tap water
Supplied mostly by Seabrook Water Dept, 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)
Up to 0.56 ppm (Low)
Typically not detected
Not detected in testing, so any nitrite in your tank comes from the tank itself.
From EPA monitoring data (2014–2019).
Nitrate (NO₃)
Up to 14 ppm (Low)
Typical 1.5 ppm
Low, so water changes lower your tank's nitrate well.
From EPA monitoring data (2014–2019).
Water chemistry
General hardness
Area estimate71–237 ppm
Typical 152 ppm
Moderately hard. Great for livebearers, and most community fish adapt.
Area estimate from nearby wells: USGS well samples in your county (2000–2019).
Carbonate hardness (alkalinity)
102–110 ppm
Typical 105 ppm
Moderate buffering. pH should stay fairly steady.
From EPA monitoring data (2014–2015).
pH
6.5–7.5
Typical 7.3
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data (2014–2019).
Total dissolved solids
Area estimate80–330 ppm
Typical 168 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 (2000–2021).
- Aquarion Water/Nh adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Seabrook Beach, NH
Seabrook Water Dept
Serves 95% of residents · Groundwater (wells) · Chlorine
Aquarion Water/Nh
Serves 13% 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.