Shoal & Stem

West Swanzey, NH tap water

About 47% of West Swanzey is inside a utility's service area. Homes outside it likely use private wells, which no utility tests.

Disinfectant

Not confirmed

We couldn't confirm how utility water here is disinfected. US utilities use chlorine or chloramine, and chloramine doesn't gas off when water sits out. Private wells aren't treated by a utility, so there's no chlorine or chloramine unless a treatment system adds 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 (2014–2019).

Nitrate (NO₃)

Up to 5.8 ppm (Low)

Typical 5.8 ppm

Water changes can't take your tank's nitrate below this level.

From EPA monitoring data (2014–2019).

Water chemistry

General hardness

Area estimate

19–176 ppm

Typical 77 ppm

Moderately soft to medium. Suits most community fish and plants.

Area estimate from nearby wells: USGS well samples in your state (2000–2019).

Carbonate hardness (alkalinity)

Area estimate

15–160 ppm

Typical 60 ppm

Moderate buffering. pH should stay fairly steady.

Area estimate from nearby wells: USGS well samples in your state (2000–2022).

pH

6.4–6.8

Typical 6.4

Acidic. Stable water matters more than the exact number.

From EPA monitoring data (2015–2019).

Total dissolved solids

Area estimate

41–261 ppm

Typical 96 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 state (2000–2021).

  • West Swanzey Water adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.

Who supplies West Swanzey, NH

  • West Swanzey Water

    Serves 36% of residents · Groundwater (wells) · Disinfectant not listed

  • Ashuelot River Apts

    Serves 11% of residents · Groundwater (wells) · Disinfectant not listed

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.

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