Water and land - Mountains
Park County is headwaters country, and much of its water serves cities far away
The South Platte River takes shape in Park County's South Park basin, and large reservoirs here store water that is delivered to the Denver metro area downstream.
Published June 10, 2026 - Last verified June 11, 2026
Park County sits high in the center of Colorado, where snowmelt off the Mosquito Range gathers in the broad basin of South Park and forms the South Platte River. This is headwaters country.
A lot of that water does not stay here. Large reservoirs in the county, such as Antero and Eleven Mile, store South Platte water that is later delivered far downstream to the Denver metro area. Some of these reservoirs and their water rights are owned by a city utility, not by the county or local landowners.
For someone buying land here, the lesson is the same one that holds across Colorado: water and land are separate questions. A creek running through a parcel, or a reservoir nearby, does not mean the property carries a right to use that water. Domestic supply usually comes from a permitted well or a local provider, and any water right attached to land has its own history and limits.
Before counting on a stream, ditch, or well, confirm what water right, well permit, or provider actually serves the property.
For water rights and well permits, start with Colorado’s Division of Water Resources.