Honestly, if it’s 1890-1918 cast iron (which it usually is) disturbing the pipe to make a repair on something that only has reads in the street will probably cause another leak. The state is already holding the utilities feet to the fire on replacing cast iron and even more so after the state got its pee pee slapped by the feds after Merrimack Valley.

Monitoring less hazardous leaks instead of putting on a bandaid and opening a can of worms seems to be the more prudent option.