Western Water Data

Otero County, Colorado — water rights summary

Seniority, absolute versus conditional water, and decreed uses for all 1,005 water rights on record in Otero County, taken from the state's own records. Priority dates run from 1874-05-15 to 2018-10-17.

At a glance

1,005water rights on record
43,941acre-feet absolute (perfected)
0acre-feet conditional (decreed, not yet perfected)
0.3%of rights carry a conditional portion

CFS on record: 16,153.9 absolute · 1.8 conditional. Flow (CFS) and volume (AF) are never added together.

Risk: absolute vs conditional

Worth knowing: 3 rights in Otero 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 Otero County's rights are distributed.

EraRightsShare
pre-1900222.2%
1900-194941841.6%
1950-196949048.8%
1970-1999606.0%
2000+151.5%

What the water is decreed for

Decreed useRights
Irrigation604
Stock332
Domestic183
Fire172
Municipal65
Commercial35

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
1874-05-15ROCKY FORD DITCHARKANSAS RIVER111.76 CFSIrrigation, Municipal, Industrial, Recreation, Fishery, Domestic, Augmentation, All beneficial usesstate record
1875-04-10CATLIN CANALARKANSAS RIVER22.0 CFSStorage, Irrigation, Municipal, Domestic, Augmentation, Change of use return flowstate record
1884-04-15FORT LYON CANALARKANSAS RIVER164.64 CFSIrrigation, Commercial, Stock, Augmentationstate record
1884-12-03CATLIN CANALARKANSAS RIVER226.0 CFSStorage, Irrigation, Municipal, Domestic, Augmentation, Change of use return flowstate record
1887-03-01FORT LYON CANALARKANSAS RIVER597.16 CFSIrrigation, Commercial, Stockstate record
1887-05-10NINE MILE CANALPURGATOIRE RIVER18.0 CFSIrrigationstate record
1887-11-14CATLIN CANALARKANSAS RIVER97.0 CFSStorage, Irrigation, Municipal, Domestic, Augmentation, Change of use return flowstate record
1889-08-12FORT LYON CANALARKANSAS RIVER355.2 CFSStoragestate record
1890-02-21POTTER IRRIGATING DITCHARKANSAS RIVER4.25 CFSIrrigationstate record
1890-02-27CROOKED ARROYA DITCHCROOKED ARROYO2.4 CFSIrrigationstate record

Need this for a deal?

This page is the summary. The full file for Otero County covers every one of the 1,005 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.