Crowley County, CO
Well Water in Crowley County, Colorado
Crowley County's water story usually centers on surface-water buy-and-dry, but groundwater here has its own separate wrinkle: the Arkansas basin is over-appropriated, which means a new well for anything beyond household use generally needs to be covered by an augmentation plan -- a real cost and complexity layer on top of an otherwise potentially productive aquifer.
This page covers what's specific to Crowley County. For the general explanation, see the national guide.
An over-appropriated basin: what that means for a new well permit
Crowley County sits within Water Division 2, which administers the Arkansas River basin -- a basin the state treats as over-appropriated, meaning judicially decreed water rights junior to roughly 1890 are seldom permitted to divert or pump water on their own priority. In an over-appropriated basin, an applicant generally cannot get a well permit for tributary groundwater, or make a new surface diversion, without a court-approved augmentation plan -- an arrangement that replaces water back into the river system to offset what the new well would otherwise take out of priority from senior right holders.
There is a real exception worth knowing: household-use-only wells are generally treated differently than wells intended for irrigation, livestock beyond household needs, or other larger uses, and can often be permitted without needing to join a full augmentation plan. But if your plan for a parcel here involves anything beyond a simple domestic well -- irrigating a garden or pasture, running a larger livestock operation, or any commercial use -- expect that a straightforward exempt well permit may not be available, and budget for the possibility of needing to buy into or lease space in an existing augmentation plan, which is a real and sometimes substantial cost most raw-land buyers don't anticipate.
The aquifer itself can be genuinely productive -- when a permit is available
Crowley County's most productive groundwater source is the alluvial, water-table aquifer running along the Arkansas River valley, where wells have been documented yielding as much as 2,000 gallons per minute in favorable locations -- a genuinely strong aquifer by Colorado standards. That's a meaningfully different starting point than a county relying on low-yield bedrock wells, and it's worth knowing precisely because it means the limiting factor for a well here is often the permitting and augmentation picture, not the physical water supply itself.
Don't let a strong aquifer figure lead you to assume a well permit will be straightforward, though -- the over-appropriation status of the basin is the binding constraint for most non-household uses, independent of how much water physically sits under a given parcel. Check the Colorado Division of Water Resources' well-permit records for existing wells near your specific parcel to get a sense of what's actually been permitted nearby, and ask Division 2 directly whether your intended use would need to be covered by an augmentation plan before you count on drilling a new well as part of a purchase plan.
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- Division 2 Office - Division of Water Resources — Colorado Division of Water Resources (accessed 2026-09)
- Well Permitting — Colorado Division of Water Resources (accessed 2026-09)
- Colorado Revised Statutes Section 37-90-137 -- Permits to Construct Wells Outside Designated Basins — Justia (Colorado Revised Statutes) (accessed 2026-09)
- Colorado Water Well Permit — RAPID Toolkit (OpenEI / NREL) (accessed 2026-09)
- Groundwater Rights — Colorado Water Knowledge, Colorado State University (accessed 2026-09)
Last reviewed 2026-09