Redding sits in a region with hard, mineral-heavy water — high in calcium, magnesium, and sediment. That mineral load is the main reason water heaters here fail at 8–10 years instead of the 12–15 you'd see in soft-water markets.
Sediment settles to the bottom of the tank, insulates the burner or heating element, and forces the unit to run hotter and longer to heat the water above it. Eventually the metal fatigues, the tank cracks, and it floods the garage.
We've seen this pattern thousands of times across Redding, Shasta Lake, Anderson, Palo Cedro, and Bella Vista. If your unit is rumbling, popping, producing rusty water, or past 8 years old, plan the replacement before it fails on you — it's cheaper than the flood damage cleanup.