Morada, CA tap water
Supplied mostly by San Joaquin County - Wilkinson Manor, plus 5 other utilities. 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)
3.3–23 ppm (Worth knowing)
Typical 14 ppm
Water changes can't take your tank's nitrate below this level.
From California Water Board lab results, measured before treatment; Morada Estates N PWS #46, which supplies Wilkinson Manor A-Zone PWS, measured before treatment (2023–2026).
Copper at home taps
Up to 0.1 ppm (Low)
Typically not detected
Not detected in testing. Water that sits in household pipes overnight can still pick some up.
From California Water Board lab results (2024).
Water chemistry
General hardness
88–240 ppm
Typical 165 ppm
Moderately hard. Great for livebearers, and most community fish adapt.
From California Water Board lab results, measured before treatment; Morada Estates N PWS #46, which supplies Wilkinson Manor A-Zone PWS, measured before treatment (2023–2026).
Carbonate hardness (alkalinity)
110–240 ppm
Typical 140 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From California Water Board lab results, measured before treatment; Morada Estates N PWS #46, which supplies Wilkinson Manor A-Zone PWS, measured before treatment (2023–2026).
pH
7–7.6
Typical 7.2
Most community fish do well here. Stable water matters more than the exact number.
From California Water Board lab results, measured before treatment; Morada Estates N PWS #46, which supplies Wilkinson Manor A-Zone PWS, measured before treatment (2023–2026).
Total dissolved solids
170–420 ppm
Typical 240 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 California Water Board lab results, measured before treatment; Morada Estates N PWS #46, which supplies Wilkinson Manor A-Zone PWS, measured before treatment (2023–2026).
Who supplies Morada, CA
San Joaquin County - Wilkinson Manor
Serves 16% of residents · Groundwater (wells) · Chlorine
Morada Estates N PWS #46
Serves 12% of residents · Groundwater (wells) · Disinfectant not listed
Morada Estates PWS
Serves 11% of residents · Groundwater (wells) · Chlorine
Wilkinson Manor A-Zone PWS
Serves 11% of residents · Buys water from Morada Estates N PWS #46 · Disinfectant not listed
Morada Manor Water System
Serves 9% of residents · Groundwater (wells) · Disinfectant not listed
Shaded Terrace PWS
Serves 6% of residents · Groundwater (wells) · Disinfectant not listed
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.