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)