Schneider Ditch Historic Use Analysis

• File Number: 8461.800
• Description: Lower South Platte Water Conservancy District
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 6/5/2000
• Author: Unknown
• Title: Schneider Ditch Historic Use Analysis
• Water Supply Pro - Doc Type: Data

Schneider Ditch Historic Use Analysis
Modeling Units
• Four Modeling Units for 2692 Acres
o Lands with Ditch Shares Only - 234.60 Acres
o Lands with Ditch Shares and Wells - 1895.40 Acres
o Lands with Ditch Shares and Logan-Prewitt - 61.40 Acres
o Lands with Ditch Shares, Logan-Prewitt and Wells - 500.60 Acres
• Average Historic Schneider Ditch Diversions (125 shares) = 8371.02 acre-feet
• 17 Supplemental Irrigation Wells (two shareholders do not own wells)
• 566.5 Logan-Prewitt acre-rights
• Modeling Assumptions
o Ditch loss averaged 10 percent of total river headgate diversions
o Winter soil moisture carryover of 50 percent of available soil moisture storage
o Summer soil moisture includes 60 percent effective precipitation factor
o Maximum allowable soil depletion averaged 56 percent
o Maximum of 60 percent field application efficiency
o Return flows comprised of 67 percent deep percolation and 33 percent surface
return