Shoal & Stem

Ridgemark, CA tap water

Supplied by Sunnyslope County Water Dist. 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 EPA monitoring data (2016).

Copper at home taps

Not detected (Low)

Not detected in testing. Water that sits in household pipes overnight can still pick some up.

From California Water Board lab results (2023).

Water chemistry

General hardness

Supplier's figure

110–240 ppm

Typical 126 ppm

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

From the utility that supplies yours: San Benito County Water District and City of Hollister, which supplies Sunnyslope County Water Dist (2023–2026).

Carbonate hardness (alkalinity)

Supplier's figure

67–153 ppm

Typical 95 ppm

Moderate buffering. pH should stay fairly steady.

From the utility that supplies yours: San Benito County Water District and City of Hollister, which supplies Sunnyslope County Water Dist (2023–2026).

pH

8.2

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

From EPA monitoring data (2016).

Total dissolved solids

Supplier's figure

220–285 ppm

Typical 246 ppm

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

From the utility that supplies yours: San Benito County Water District and City of Hollister, which supplies Sunnyslope County Water Dist (2023–2026).

Who supplies Ridgemark, CA

  • Sunnyslope County Water Dist

    Serves 93% of residents · Buys water from San Benito County Water District · 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.

Also supplied by Sunnyslope County Water Dist

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