Shoal & Stem

Wyomissing, PA tap water

Supplied mostly by Wyomissing Boro Water System, plus 1 other utility. Here's what the water means for your fish.

Disinfectant

Chlorine or chloramine

Utilities here use chlorine or chloramine, depending on which one serves your address. Chlorine slowly gases off from standing water; chloramine doesn't.

Safety for fish and shrimp

Ammonia (with conditioner)

Estimate

0.38–0.67 ppm (Low)

Typical 0.5 ppm

This is what a conditioner frees when it breaks the chloramine apart. A cycled filter clears it within a day.

Estimated from the chloramine level Wyomissing Boro Water System reports (2018–2019).

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)

Supplier's figure

4.1–24 ppm (Worth knowing)

Typical 20 ppm

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

From the utility that supplies yours: Western Berks Water Auth, which supplies Wyomissing Boro Water System; EPA monitoring data (2012–2019).

Chlorine or chloramine at the tap

0.6–2.8 ppm

Typical 2.1 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.

From EPA monitoring data (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 figure

172 ppm

Strong buffering. pH stays steady and hard to lower without RO water.

From the utility that supplies yours: Western Berks Water Auth, which supplies Wyomissing Boro Water System (2016).

pH

Not published yet

We haven't found this number yet. A drop test kit gives you your exact reading.

  • Wyomissing Boro Water System and Paw Penn District add phosphate to protect pipes. It can feed algae in tanks without much plant growth.

Who supplies Wyomissing, PA

  • Wyomissing Boro Water System

    Serves 75% of residents · Buys water from Western Berks Water Auth · Chloramine

  • Paw Penn District

    Serves 24% 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.

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