Complex sentence: It should be noted that, the well being situated in the uppermost part of the Village, its water is never below a certain level, which is maintained even when most of the wells in the village are dried.
Split into simpler sentences: It should be noted that, the well is situated in the uppermost part of the Village, its water has never gone below a certain level. Water level here is maintained even when most of the wells in the village are dried.