Shoal & Stem

Oreana, IL tap water

Supplied by Oreana. 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

Nitrate (NO₃)

Supplier's figure

Not detected (Low)

Not detected in testing, so water changes lower your tank's nitrate well.

From the utility that supplies yours: Forsyth, which supplies Oreana (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)

160–164 ppm

Typical 162 ppm

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

From EPA monitoring data (2017–2019).

pH

8.8–9.2

Typical 9

Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.

From EPA monitoring data (2017–2019).

  • Oreana softens its water at the plant, so it may be softer than the local groundwater.

Who supplies Oreana, IL

  • Oreana

    Serves 82% of residents · Buys water from Forsyth · 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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