Knowlton Twp Fire and Rescue Company covers 3,100 residents within 36 square miles. Including Knowlton Twp, Hardwick Twp,Worthington State Forest, Delaware Water Gap National Recreation Area, and the Hamlets of Columbia, Delaware, Polkville, Hainesburg, Mount Pleasant, Warrington, and Centerville.
Knowlton Twp Fire Rescue is known for the large amount of highway they cover including almost 9 miles of Interstate 80 (including one of the highest accident prone sections of highway in the state) and the end of both of Rt 94 and Rt 46.