The Harney Basin groundwater rules establish scheduled reductions beginning as early as 2028, but those reductions do not simply take effect without a process. OWRD’s rules require corrective-control orders to proceed through a contested case before reductions are enforced. As of 2026, OWRD anticipates handling the Harney subareas in groups through the Oregon Office of Administrative Hearings, and the Department cautions that its published dates are estimates that may change.
The Contested Case Comes Before Corrective-Control Reductions
A contested case is an administrative hearing process used to review agency action and establish a formal evidentiary record. OWRD’s Harney rules use this process before corrective-control orders reducing groundwater use can be enforced. The Office of Administrative Hearings provides the independent administrative law judges who conduct these proceedings.
OWRD currently anticipates referring Northeast-Crane, Weaver Springs, and Dog Mountain as the first group of Harney subareas. Silvies, Silver Creek, and Lower Blitzen are expected to follow after the first group’s hearing is completed. Because the Department describes the timeline as estimated, water-right holders should follow current notices rather than rely on a fixed hearing date.
Historical Beneficial Use May Directly Affect Your Initial Allotment
The record matters because OWRD’s initial-allotment calculations rely heavily on historical use. For irrigation groundwater rights, the Department will consider beneficial use during 2020 through 2024 and use a 2.5 acre-foot-per-acre duty when determining the initial allotment. Other use types have their own calculation methods.
That makes documentation from those years particularly important. A landowner who waits until a hearing notice arrives to reconstruct several years of pumping and irrigation history may find that records are incomplete, equipment has changed, or people with firsthand knowledge are no longer available.
Build the Record Before You Need It
Useful documentation may include water-right certificates and permits, transfer orders, historical meter readings, pumping records, maps of irrigated acreage, crop records, aerial or satellite information, well information, photographs, and correspondence related to water use.
The goal is to create a consistent picture of what the right authorized and what was actually put to beneficial use during the relevant period. Organizing those records early can make it easier to identify gaps before formal deadlines begin.
The Hearing Record Can Affect Long-Term Pumping
The Harney process is unusual because the decisions being developed may shape pumping for decades. Scheduled reductions run through 2052, with adaptive-management checkpoints along the way. A factual issue about acreage, historical use, priority, or the applicable right can therefore have consequences well beyond a single irrigation season.
Preparing early does not mean assuming there will be a dispute. It means making sure the underlying water-right record, mapping, and historical-use documentation are organized before formal deadlines begin. Water Rights Pro can assist with water-right research, mapping, beneficial-use documentation, and technical preparation so right holders have a clearer understanding of their records before the contested case process reaches their subarea.