Shoal & Stem

Portola, CA tap water

Supplied by City of Portola. 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)

Not detected (Low)

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

From California Water Board lab results (2023).

Copper at home taps

0.07 ppm (Low)

Low. Water that sits in household pipes overnight can carry more than this.

From California Water Board lab results (2023).

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

7.7

Most community fish do well here. Stable water matters more than the exact number.

From EPA monitoring data (2012–2013).

Total dissolved solids

Estimate

64 ppm

A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.

Estimated from City of Portola's conductivity readings (2024).

Who supplies Portola, CA

  • City of Portola

    Serves 85% of residents · Buys water from Plumas County Flood Control · 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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