BOOTHEEL IRRIGATION CONFERENCE AND TRADESHOW December 15, 2003.
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BOOTHEEL IRRIGATION CONFERENCE AND TRADESHOW
December 15, 2003
Southeastern Lowlands Groundwater Province
SoutheasternLowlands
Southeastern LowlandsGroundwater Province...
•3,916 square miles (5.7 % of Missouri)
•75.7 trillion gallons of groundwater(15 % of Missouri’s usable groundwater)
•Enough water to cover the province with93 feet of water
North-South Cross-section, Southeastern Lowlands
Wilcox Group
Land Surface
Alluvium
Porters Creek Clay
McNairy FormationPaleozoic formations
Alluvium
Clayton andOwl Creek Formations
Southeastern Lowlands, Alluvial Aquifer Thickness
SPECIFIC CAPACITY =
GPMDrawdown
eg.
Flow = 1000 GPM
Drawdown = 10 feet
Specific Capacity = 100 GPM per foot of drawdown
WELL CONSTRUCTION LOCATION
Well Construction Location
• Experience• Word of Mouth• Missouri DNR@Rolla
Jim Van Dike’s Office– Check available records
• Test Drill– At time of well installation– Prior to well installation
• Check formation• Design well
Well Construction Methods
• Reverse Circulation
• Direct Rotary
• Bucket Rig
WELL REHABILITATION
WELL REHABILITATION METHODS
Well Rehabilitation Methods
• Surge Block
• Surge Tank
• Sonar-Jet
• Well Freezing
• Air Blast
• Brotcke High Velocity Injection
Well Rehabilitation Chemicals
• Acids– Muratic– Hydroxyacetic– Sulfamic– Sulfuric
• Chlorine– Sodium Hypochlorite (Bleech)– Calcium Hypochlorite (HTH)
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