 Plunketts Creek can vary greatly in depth , depending on the season and recent precipitation . Its water level is typically highest ( perhaps 3 feet ( 1 m ) deep ) in spring or for a few days after a heavy rain , and lowest in late summer , when it can <unk> to a <unk> . While there is no stream gauge on Plunketts Creek , a rough estimate of the creek 's water level may be found from the stream gauge on the Loyalsock Creek bridge in Barbours , just downstream of the mouth . Lycoming County operates this gauge as part of the county @-@ wide flood warning system . It only measures the water height ( not discharge ) , and measured a record gauge height of 34 @.@ 0 feet ( 10 @.@ 4 m ) on September 7 , 2011 . 
