A salty taste at the kitchen tap is one of the few water problems a homeowner can often narrow down in minutes, but only if you note the pattern before calling anyone. Salt in the water usually means the softener is sending brine, or brine-rich water, into the house. Your job is to work out which part of the unit is responsible so the service visit starts in the right place.
Start with the pattern, not the taste
Write down three things: which tap tastes salty, whether it is the cold line only, and when it happens. Salty water that shows up only at the cold tap, and mainly in the first minutes after a regeneration cycle, points at the softener's brine or rinse stage. Salty taste that is present all the time, at every tap, points more toward a setting or valve problem. Note any event that came before the taste started, such as a power outage, a service visit, or a salt refill, because those can change the control valve's timing or the brine draw.
Confirm the unit is in service
Find the bypass valve on the pipes near the softener and confirm it is in the service position. A bypass setting sends untreated water through the house, which can leave hardness in the water, but it does not add salt. So if the taste is salty, the bypass is probably not the cause. Still, check it first so you can rule it out and move on.
Look at the brine tank
Open the brine tank lid and look at the salt level and the water in the tank. Salt sitting in water is normal in a brine tank. What matters is whether the salt level looks the way it did before, and whether the brine water rises to an unusual height after a cycle. Do not change the float or the salt setting unless your owner's manual clearly covers that step. Note what you see and ask the service company to check it.
Time the taste against regeneration
Most control valves regenerate at a set hour, often overnight. Find the scheduled time on the display or in the installer's paperwork. During the first hour after that time, run the cold tap for a minute or two and taste the water. If the salty taste appears only then and clears after a few minutes of running water, the brine draw or rinse timing is the likely suspect. If the taste lasts long after regeneration, or shows up at odd hours with no regeneration taking place, the control valve may be cycling on a wrong setting or may be sticking.
Questions to ask the service company
When you call, ask the technician to confirm the regeneration time and the interval between cycles against your household's actual water use. Ask them to check the brine valve and injector for blockage or leaks, and to inspect the brine line connections. Ask whether the control valve's settings were reset after any outage. Request a written summary of what they found and changed. If the technician cannot explain why salt is reaching the tap, ask for a second opinion before paying for repairs you do not understand.
Salt in drinking water
Softened water adds sodium. If anyone in the household is on a sodium-restricted diet, ask their doctor whether softened water is a concern and whether a cold tap that bypasses the softener should be used for drinking and cooking. Do not rely on taste to judge sodium levels, because taste is not a measurement.
When to stop guessing
If the salty taste appears at every cold tap, gets worse, or comes with a wet floor, a leak near the brine tank, or a noisy control valve, stop relying on the tap and call for service. Keep your notes with the times, the tap, and the taste pattern. Those notes are the fastest way to get a technician to the real cause.