Western Water Data

Montrose County, Colorado — water rights summary

Seniority, absolute versus conditional water, and decreed uses for all 2,607 water rights on record in Montrose County, taken from the state's own records. Priority dates run from 1877-05-01 to 2025-03-06.

At a glance

2,607water rights on record
168,592acre-feet absolute (perfected)
48,117acre-feet conditional (decreed, not yet perfected)
7.9%of rights carry a conditional portion

CFS on record: 16,625.2 absolute · 10,381.4 conditional. Flow (CFS) and volume (AF) are never added together.

Risk: absolute vs conditional

Worth knowing: 205 rights in Montrose County carry a conditional portion, water that is decreed but not yet perfected. Absolute and conditional are not the same asset.

Seniority by era

In a dry year the oldest rights are served first. This is how Montrose County's rights are distributed.

EraRightsShare
pre-190033012.7%
1900-194984832.5%
1950-196932912.6%
1970-199972627.8%
2000+37414.3%

What the water is decreed for

Decreed useRights
Irrigation1,566
Stock1,128
Domestic623
Wildlife427
Fishery309
Recreation213

The ten most senior rights on record

Ranked by the state's own priority administration number, the figure DWR uses to order rights by seniority.

PriorityStructureSourceAmount UsesVerify
1877-05-01OURAY DITCHUNCOMPAHGRE RIVER0.375 CFSIrrigationstate record
1877-09-01RIVES DITCH NO 2LITTLE CIMARRON RIVER0.4 CFSIrrigationstate record
1878-05-13OURAY DITCHUNCOMPAHGRE RIVER0.5 CFSIrrigationstate record
1878-05-15OURAY DITCHUNCOMPAHGRE RIVER2.25 CFSIrrigationstate record
1878-06-30GOSHORN DITCH NO 1WEST PARADOX CREEK0.25 CFSIrrigationstate record
1879-04-01OURAY DITCHUNCOMPAHGRE RIVER2.25 CFSIrrigationstate record
1879-06-01OURAY DITCHUNCOMPAHGRE RIVER1.0 CFSIrrigationstate record
1880-07-01RESERVATION DITCHUNCOMPAHGRE RIVER1.2 CFSIrrigation, Domesticstate record
1880-10-01OURAY DITCHUNCOMPAHGRE RIVER3.145 CFSIrrigationstate record
1881-02-14TALBERT DITCHWEST PARADOX CREEK0.67 CFSIrrigationstate record

Need this for a deal?

This page is the summary. The full file for Montrose County covers every one of the 2,607 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.

erik@westernwaterdata.com

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Records last updated 10 September 2026.