Shoal & Stem
Tap water lookup

Middletown, OH tap water

Supplied by Middletown City PWS. Here's what its 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)

Not detected (Low)

Not detected in testing, so any nitrite in your tank comes from the tank itself.

From EPA monitoring data (2013).

Nitrate (NO₃)

5.8 ppm (Low)

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

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)

Not published yet

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

pH

Not published yet

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

  • Middletown City PWS adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
  • Middletown City PWS softens its water at the plant, so it may be softer than the local groundwater.

Who supplies Middletown, OH

  • Middletown City PWS

    Serves 97% 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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