SYMPOSIUM OX SAMTATIOX 



49 



of the actual character of the waters of the state can be ob- 

 tained from a study of waters collected by representatives of 

 the Survey from typical farm wells. The number of sam- 

 ples examined is comparatively small. While 7}> per cent of 



those less than lb feet deep were condemned, only 54 per cent 

 of those from lb to 50. 13 per cent of those from 50 to 100 feet, 

 and none of those over 100 feet in depth were condemned. The 

 diagram shows the relation between the character of samples 

 analvzed by request of citizens and of those analyzed on the 

 initiative of the Water Suney- Those collected by the sur- 

 vey are of better quality. 



The results of the examination of the water from shallow 

 wells showed three- fourths of them to be contaminated and 

 possibly dangerous. An ideal remedy would be To abolisli 



