The following pools allow anyone to pay a day use fee and put your own boat in the pool:
Wheat Ridge Recreation Center on Sundays
Wulf Recreation Center in Evergreen CO on Saturdays
Silverthorne Recreation Center on Sundays
Durango Recreation Center on Wednesdays
There are definitely other businesses and non-profits offering kayak time but all of the ones listed here are open to anyone. Click the link for more information. Know of another pool offering open kayak time? Please reach out to programs@coloradowhitewater.org to get it added to this list.