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Last modified
1/26/2010 2:50:04 PM
Creation date
10/12/2006 3:20:14 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8135.100
Description
Ditch Companies - Amity Mutual Irrigation Company
State
CO
Basin
Arkansas
Water Division
2
Date
6/1/1983
Author
McCall-Ellingson Mor
Title
PL 84-984 Loan Application Report for the Amity Mutual Irrigation Company - Rehabilitation Plan-Amity System
Water Supply Pro - Doc Type
Report/Study
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />1175 <br /> <br />WATER UTILIZATION <br /> <br />The presently-available water supply. delivered to the laterals. is <br />54,960 acre-feet per average year, With the present and projected <br />cropping patterns, 21,380 acres can be fully-irrigated. The restored <br />cross-drainage interceptions. provided by the Big Sandy Creek Diversion <br />Structure. and reduced water losses. from other project improvements, <br />will add 6,740 acre-feet to the average year water supply. This water <br />will irrigate an additional 2,620 acres for a project total of 24,000 <br />acres, <br /> <br />WATER QUALITY <br /> <br />Water quality of the Arkansas River near Caddoa has been analyzed since <br />1942 and. during the irrigation season. the quality has remained much <br />the same, The quality of the river water for irrigation can be classed <br />as excellent as far as sodium and boron concentrations are concerned; <br />however, the salinity content can be classed as high. These high sali- <br />nity waters have been used for irrigation by the Amity System for near- <br />ly 100 years with the result that the existing irrigated soils have <br />adequate permeability and subsurface drainage to maintain crop yields, <br /> <br />Water quality data is available in "Water Resource Data for Colorado". <br />Part 2, Water Quality Records, published annually by the Department of <br />Interior. Geological Survey. <br /> <br />The rehabilitation of the existing system will not change the water qua- <br />lity of the Arkansas River nor of the groundwater underlying the system, <br /> <br />3-3 <br />
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