What Gastonia water actually does to a tank
Maintenance advice is usually written for hard water, and most of this region does not have it. Your supply comes from the City of Gastonia, drawn from Mountain Island Lake, and the question worth asking is not how much scale it leaves but how corrosive it is. Soft, lightly buffered water forms no protective film inside the tank lining, so the anode rod is doing the entire job of protecting the steel.
That inverts the standard advice. An annual flush matters less here than it would in a hard-water city, and the anode rod matters far more. A tank that has never had its anode checked at eight years old is running on whatever is left of it, and once that is gone the tank itself starts corroding.
- Anode inspection is the one job on this list that changes how long the tank lasts.
- A T&P test with a pressure reading, because a weeping relief valve is usually pressure rather than a failed valve.
- A flush, with an honest warning first: on a tank over about ten years that has never been flushed, the drain valve frequently will not reseat once opened.

What Gastonia itself changes
The housing in Gastonia
Gastonia has genuinely older housing than Charlotte, and that changes the work. 52.4% of the stock predates 1980 against a Mecklenburg median around 1997, and Gaston County's own comprehensive plan identifies the county as holding the region's largest share of aged housing. In practice that means more third and fourth cycle replacements, more tanks that have never had an anode rod checked, and more properties where the drain valve will not survive its first flush. It also means a more price-sensitive market, and we price and explain accordingly.
Where the heaters sit
Crawlspace and basement-adjacent utility spaces are far more common here than in Charlotte proper, because the housing predates the slab-on-grade era. Garage installs appear in the newer south and west subdivisions. Crawlspace access is priced separately and quoted before the visit.