J. D. Linnen Well Drilling - "Learning since 1983"
 
Well Problems 
 
symptom:
coliform and/or e coli in water test  
 
 
 
 
 
 
sand or silt in water
 
 
 
 
                   
 
 
 
 
possible cause:
-improperly sealed casing/surface water in well pit
-false coliform count from poor test bottle handling
-cross contamination from nearby well
 
 
-casing leaking from frost heave/rusted out casing/poor seal
-gravel pack or screen disturbed from over pumping
 
 
 
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