poly black

All, We had a new well pump and tank installed (1/2hp and 14gal horizontal tank) last year. At the time, the plumber was unable to source a 20gal tank in a reasonable amount of time. Plumber has since retired. (no longer likes to take calls regarding his work). The check valve he installed...

Our rural home in Missouri was built in 1971 or 72. We have approximately 500ft of water line to city's main line and developed a leak about 120ft from city line. Question is: what is your best guess as to what type of line it is and can it be mended vs replacing? (Runs through neighbor's...