Seniority, absolute versus conditional water, and decreed uses for all 20 water rights on record in Unknown County, taken from the state's own records. Priority dates run from 1894-08-20 to 2025-03-12.
CFS on record: 44.0 absolute · 0.5 conditional. Flow (CFS) and volume (AF) are never added together.
Worth knowing: 1 rights in Unknown 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 Unknown County's rights are distributed.
| Era | Rights | Share | |
|---|---|---|---|
| pre-1900 | 1 | 5.0% | |
| 1900-1949 | 5 | 25.0% | |
| 1950-1969 | 3 | 15.0% | |
| 1970-1999 | 1 | 5.0% | |
| 2000+ | 10 | 50.0% |
| Decreed use | Rights |
|---|---|
| Augmentation | 11 |
| Irrigation | 9 |
| Storage | 2 |
| Domestic | 2 |
| Stock | 2 |
| Commercial | 2 |
Ranked by the state's own priority administration number, the figure DWR uses to order rights by seniority.
| Priority | Structure | Source | Amount | Uses | Verify |
|---|---|---|---|---|---|
| 1894-08-20 | SIX MILE RES | BOULDER CREEK | 957.83 AF | Irrigation, Augmentation | state record |
| 1904-10-04 | ZIMMERMAN LAKE RES | JOE WRIGHT CREEK | 138.0 AF | Irrigation | state record |
| 1905-06-12 | WHITE SO SP | ELKHEAD CREEK | 0.5 AF | Federal reserved | state record |
| 1929-12-31 | SIX MILE RES | BOULDER CREEK | 957.83 AF | Irrigation, Augmentation | state record |
| 1911-05-24 | SARVIS DITCH | RED DIRT CREEK | 43.0 CFS | Irrigation | state record |
| 1911-05-24 | SARVIS DITCH | RED DIRT CREEK | 1627.0 AF | Irrigation | state record |
| 1978-01-19 | MONTGOMERY CREEK MIN FLW | MONTGOMERY CREEK | 1.0 CFS | Minimum streamflow | state record |
| 1950-11-20 | WINDY ACRES POND | SPRING CREEK | 7.0 AF | Irrigation | state record |
| 2021-09-20 | JONES 21CW3167 NNT DA WELL FIELD | GROUNDWATER: DAWSON | 0.994 AF | Storage, Irrigation, Domestic, Stock, Augmentation | state record |
| 2021-09-20 | JONES 21CW3167 NNT DEN WELL FIELD | GROUNDWATER: DENVER | 1.28 AF | Storage, Irrigation, Domestic, Stock, Augmentation | state record |
This page is the summary. The full file for Unknown County covers every one of the 20 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.