Well Water and the Designated Groundwater Basin in Baca County, Colorado

A different regulator, a different form, and a per-aquifer fee

The Colorado Ground Water Commission, created in 1965, has legal authority over eight designated groundwater basins across Colorado's eastern plains, including the Southern High Plains Designated Basin that covers most of Baca County (and the southeast corner of neighboring Prowers County). Within a designated basin, water rights and well permits are overseen jointly by the Ground Water Commission and any local groundwater management district inside the basin, rather than through DWR's ordinary division-engineer, prior-appropriation process used in the rest of the state.

A landowner seeking a determination of water right within the basin files Form GWS-53 (Application for Determination of Water Right Within a Designated Groundwater Basin), with a $60 fee charged per aquifer covered by the application. If a property description or seller claims water rights tied to more than one aquifer, confirm whether that means multiple separate GWS-53 filings and fees, not a single blanket application.

A well-spacing rule, and an active fight over whether the basin is over-appropriated

The Southern High Plains basin's rules limit new wells from being drilled within a half-mile of an existing high-capacity well -- a real, practical constraint on where a new agricultural well can go that a buyer evaluating undeveloped or partially developed cropland should check before assuming a well can be drilled anywhere on the parcel. Get a specific determination for a proposed well location from the Ground Water Commission or DWR rather than assuming half a mile of open ground is automatically sufficient, since the rule is measured from existing wells, not just visually estimated distance.

There's also an active substantive dispute worth knowing about: numerous parties have objected to new well-permit applications in the basin on grounds that it's effectively over-appropriated, even though the Ground Water Commission's current rules don't treat the Southern High Plains basin as legally over-appropriated for purposes of issuing new appropriations. That gap between the formal rule and on-the-ground concern about aquifer decline (which the hub's Dust Bowl-era conservation-district material also touches on) means a new well permit application here can draw objections even where it's technically permittable -- budget time and possibly legal cost for that possibility rather than assuming an application will move through unopposed.

What to confirm before relying on a specific well

• Whether an existing well's permit and any associated determination of water right are current and match the aquifer actually being pumped -- ask for the well permit number and check it against DWR's well records.
• The distance from any proposed new well location to the nearest existing high-capacity well, confirmed with the Ground Water Commission rather than measured informally.
• Whether a pending or recent application for the parcel (or a neighboring one) has drawn an objection on over-appropriation grounds, since that can signal a longer, contested permitting timeline.