San Clemente City water is hard: the City's report lists about 17 grains per gallon from one source and about 14 from another. A softener can cut scale on water heaters, valves and fixtures, though Talega and north San Clemente homes on other districts should check their own reports. Call the number on this page to be connected with a local plumber in San Clemente.

How hard is San Clemente's water?
For homes on City of San Clemente water, quite hard. Rather than a single number, the City reports hardness by source. Supply from Irvine Ranch Water District's Baker plant measures 293 mg/L (roughly 17 grains per gallon); treated Metropolitan supply measures 236 mg/L (roughly 14). Either number is high enough to leave visible scale on fixtures and to build sediment in water heaters over time. The City's system also includes a local groundwater treatment plant, which the report lists as offline for rehabilitation.
Not everyone in town is on City water. Talega gets its water from Santa Margarita Water District, and a sliver of north San Clemente from South Coast Water District; households there should read those agencies' reports instead.
Is a softener worth it here?
For City water customers, a softener is a reasonable investment if scale is causing real problems: tankless heaters needing frequent descaling, shower cartridges sticking, or a tank heater that rumbles. It won't change the taste of chloramine, which the City uses for disinfection; a carbon filter rated for chloramine handles that. The median San Clemente home was built in 1982, so many have older water heaters that have been fighting scale for years, and a softener installed alongside a new heater protects the replacement.
Where does a softener go in a coastal home?
Usually in the garage or a utility area close to where the main enters the house. Outdoor installs near the beach are possible but face salt air, which corrodes exposed fittings and control valves, so a cover or an indoor location is better. The unit needs a drain for regeneration and, for most models, power. Hose bibs and irrigation are usually left on unsoftened water. Permit questions go to the City's Community Development Building Division.
A local note
Before buying, check your water bill for the provider name. City customers can contact Utility Billing at 949-361-8315 with account questions. If you already own a softener, have it checked before assuming it needs replacing: a stuck bypass valve, an empty brine tank or a control set for the wrong hardness can all make a working unit look broken. Setting it to match the higher of the two City figures is a common, cautious choice.
Water Softeners & Filtration questions in San Clemente
How do grains per gallon relate to mg/L?
Which water district's report applies to my address?
Should outdoor faucets and irrigation bypass the softener?
How much maintenance does a softener need?
More plumbing services in San Clemente
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