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Santa Clarita Hard Water
How Hard Is Santa Clarita Water?
Santa Clarita’s tap water runs hard to very hard, depending on the source. SCV Water’s most recent water quality report puts treated surface water, about three-quarters of the valley’s supply, at an average of 160 ppm (range 150–170), or roughly 9 grains per gallon. Local groundwater is much harder, averaging 334 ppm (range 300–377), or roughly 20 grains per gallon. In dry years, when State Water Project deliveries drop, more groundwater ends up in the mix and hardness at the tap goes up.
Where Can I Get A Water Quality Report?
You can access Santa Clarita’s annual Water Quality Report. This is also known as a consumer confidence report, and provides detailed data on the composition of your municipal water annually.
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water in santa clarita, california
Frequently Asked Questions
Is Santa Clarita tap water safe to drink?
Yes, Santa Clarita’s tap water meets all state and federal safety standards. However, trace contaminants like hexavalent chromium (up to 2.3 ppb in local groundwater) and disinfection byproducts such as TTHMs (up to 55 µg/L) and HAA5 (up to 16 µg/L) have been detected, all within regulatory limits. Using home water filtration systems can help reduce exposure to these contaminants.
Is Santa Clarita’s water hard?
Yes, Santa Clarita’s water is hard to very hard, with hardness ranging from 150–377 ppm (roughly 9–22 grains per gallon) depending on the source. Treated surface water, about three-quarters of the supply, averages 160 ppm. Hard water can cause scale buildup, dry skin, and reduced appliance efficiency.
Does Santa Clarita’s water contain PFAS (“Forever Chemicals”)?
The most recent water quality report shows PFOS and PFOA averaging below the 2 ppt reporting limit in SCV Water’s supply. In the LA County Waterworks District #36 system, PFOS reached up to 6.4 ppt and PFOA up to 9.5 ppt, and one well tested as high as 24 ppt for PFHxS, above the 20 ppt state response level, and was immediately turned off. Residents concerned about PFAS exposure often opt for reverse osmosis or advanced carbon filtration systems for additional protection.
Does Santa Clarita add fluoride to its water?
No. Santa Clarita’s water is not fluoridated. It contains naturally occurring fluoride, averaging 0.3 ppm in treated surface water, within state and federal guidelines.
What other contaminants are in Santa Clarita’s water?
The most recent water quality report detected trace levels of the following:
- Hexavalent chromium (up to 2.3 ppb in local groundwater)
- Nitrate (up to 6.9 ppm as nitrogen in local groundwater)
- TTHMs (up to 55 µg/L)
- HAA5 (up to 16 µg/L)
- Uranium (up to 7.3 pCi/L)
- TDS (up to 940 ppm)
Where does Santa Clarita get its water?
Santa Clarita’s water supply comes from a blend of surface water and groundwater, managed by the Santa Clarita Valley Water Agency and Los Angeles County Waterworks District #36. According to the most recent water quality report, about 74% was imported State Water Project water, 25% was local groundwater from the Alluvium and Saugus Formation aquifers, and 1% was recycled water used for outdoor irrigation.
What is the pH level of Santa Clarita water?
The pH of Santa Clarita water ranges from 7.1 to 8.3 depending on the source, which is considered neutral to slightly alkaline. Treated surface water, about three-quarters of the supply, averages 8.1.
Should I use a water filter or softener in Santa Clarita?
Due to hard water and trace contaminants like PFAS, hexavalent chromium, and TTHMs, many residents install whole-house filters, reverse osmosis systems, and water softeners to protect plumbing and improve water taste.
Does Santa Clarita water have a high total dissolved solids (TDS) level?
TDS levels in Santa Clarita range from 300–940 ppm depending on the source. Treated surface water, about three-quarters of the supply, averages 310 ppm. Local groundwater averages 599 ppm and District #36 water averages 715 ppm, both above the 500 ppm level California recommends for taste, though below the 1,000 ppm upper limit. Reverse osmosis systems are recommended for reducing TDS and improving taste.
Where can I get a local tap water quality report?
You can access the most recent Santa Clarita Water Quality Report here.
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