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Resources: York River Water Budget - Recreation requirements and considerations
Minimum instream flow for recreational paddling (canoeing, kayaking, or rafting): amount of instream water present that will allow a paddler to travel the waterway without having to continually exit the boat.
Randy Carter (RC) gauges were established by Randy Carter, a whitewater canoeist and author of river guide books, and is a system of bridge abutments/piers/footings markings that indicate the amount of water available for paddling:
1 . minimum level for paddling (‘0’ in his system of marking) was determined if there was barely enough water to get through without stepping out of the boat. It is important to note that the RC zero indicates a minimum for paddling not that there is no water in the river. In some instances (Table X) the RC gauge has been tied to the USGS gauge.
2. surveying the RC gauges and benchmarking them to USGS gauges would provide a complete budget for recreational minimum instream flow needs.
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