While it is possible to filter river water, we strongly suggest you bring enough water to last the entire trip. This works out to about 1-1.5 gallons per person per day for drinking, cooking, and washing. Water is available at the VFW canoe launch and Tower Hill State Park but again, it will be much easier to bring it with you. Stores like Walmart often have 5 gallon water bags in the camping department that are inexpensive and durable.