Dry ground and returning rain put buried connections under changing stress.
In Tye, the ground can bake dry and become firm, then change quickly when rain returns. A service line moves with that soil, and the movement works against fittings and connections along the route from the meter to the building.
Hard, caliche-influenced ground also makes a buried-line repair more involved than a surface wet spot suggests. The visible water is only one clue; the route, access to the line, and the condition of the existing pipe all matter when deciding how to address the problem.
A repair makes sense when the trouble is limited to one area of an otherwise sound line. When an older line has several weak points, its material or age and the route it follows deserve consideration before repeating isolated repairs. The depth of the line also matters where local freeze exposure affects how the replacement is installed.