Seniority, absolute versus conditional water, and decreed uses for all 1,598 water rights on record in Summit County, taken from the state's own records. Priority dates run from 1869-07-01 to 2022-06-28.
CFS on record: 6,349.2 absolute · 1,443.4 conditional. Flow (CFS) and volume (AF) are never added together.
Worth knowing: 222 rights in Summit County carry a conditional portion, water that is decreed but not yet perfected. Absolute and conditional are not the same asset.
In a dry year the oldest rights are served first. This is how Summit County's rights are distributed.
| Era | Rights | Share | |
|---|---|---|---|
| pre-1900 | 206 | 12.9% | |
| 1900-1949 | 373 | 23.3% | |
| 1950-1969 | 175 | 11.0% | |
| 1970-1999 | 698 | 43.7% | |
| 2000+ | 146 | 9.1% |
| Decreed use | Rights |
|---|---|
| Irrigation | 766 |
| Domestic | 627 |
| Municipal | 432 |
| Augmentation | 309 |
| Commercial | 255 |
| Recreation | 250 |
Ranked by the state's own priority administration number, the figure DWR uses to order rights by seniority.
| Priority | Structure | Source | Amount | Uses | Verify |
|---|---|---|---|---|---|
| 1869-07-01 | MARYLAND NO 1 DITCH | WILLOW CREEK | 5.0 CFS | Irrigation | state record |
| 1869-07-01 | MARYLAND NO 1 DITCH | WILLOW CREEK | 10.5 CFS | Industrial | state record |
| 1874-05-30 | MARYLAND NO 2 DITCH | WILLOW CREEK | 8.0 CFS | Irrigation, Municipal, Commercial, Industrial, Domestic, Augmentation | state record |
| 1874-05-30 | MARYLAND NO 2 DITCH | WILLOW CREEK | 60.0 AF | Irrigation, Municipal, Commercial, Industrial, Domestic, Augmentation | state record |
| 1875-07-12 | KIRKWOOD DITCH | SLATE CREEK | 3.25 CFS | Irrigation | state record |
| 1878-07-15 | KUMNIG NO 1 DITCH | OTTER CREEK | 1.5 CFS | Irrigation | state record |
| 1878-07-15 | NEW KUMNIG DITCH | OTTER CREEK | 0.5 CFS | Irrigation | state record |
| 1880-06-01 | UTE CREEK NO 1 | SQUAW CREEK | 1.0 CFS | Irrigation | state record |
| 1880-06-05 | UTE CREEK NO 2 | SQUAW CREEK | 1.0 CFS | Irrigation | state record |
| 1880-07-07 | LUSHER DITCH - DOT PLACER | BLUE RIVER | 0.2817 CFS | Fire, Domestic, Augmentation | state record |
This page is the summary. The full file for Summit County covers every one of the 1,598 rights, with its priority date, seniority number, absolute and conditional amounts, decreed uses and a link to each official record, as a spreadsheet.
Buying, lending on, or listing irrigated ground here? Ask for the county file, or for a single property's water summary. The first one is on me.
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Records last updated 10 September 2026.