Bertsch-Oceanview, CA tap water
Supplied mostly by City of Crescent City, plus 1 other utility. Here's what the 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, measured before treatment; City of Crescent City, which supplies Bertsch Ocean View CSD, measured before treatment (2023–2026).
Copper at home taps
0.05–0.09 ppm (Low)
Typical 0.09 ppm
Low. Water that sits in household pipes overnight can carry more than this.
From California Water Board lab results (2024).
Water chemistry
General hardness
58 ppm
Soft. Good for tetras, rasboras and most shrimp. Livebearers, snails and African cichlids prefer harder water.
From California Water Board lab results, measured before treatment; City of Crescent City, which supplies Bertsch Ocean View CSD, measured before treatment (2023–2026).
Carbonate hardness (alkalinity)
52 ppm
Moderate buffering. pH should stay fairly steady.
From California Water Board lab results, measured before treatment; City of Crescent City, which supplies Bertsch Ocean View CSD, measured before treatment (2023–2026).
pH
Area estimate6.5–7.5
Typical 7.1
Most community fish do well here. Stable water matters more than the exact number.
Area estimate from nearby wells: USGS well samples in your county (2009–2020).
Total dissolved solids
Area estimate40–192 ppm
Typical 110 ppm
A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.
Area estimate from nearby wells: USGS well samples in your county (2009–2020).
Who supplies Bertsch-Oceanview, CA
City of Crescent City
Serves 55% of residents · Groundwater (wells) · Chlorine
Bertsch Ocean View CSD
Serves 52% of residents · Buys water from City of Crescent City · 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.
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Compiled by Shoal & Stem from public records. Free to cite with a link.