Over-pumping.................................................................................................................. 58
Dissolved Gas in Water................................................................................................... 58
Aquifer Problems............................................................................................................. 58
Troubleshooting Guide. ......................................................................................................... 59
Symptom #1 — Reduced Well Yield............................................................................... 60
Symptom #2 — Sediment in Water................................................................................ 61
Symptom #3 — Change in Water Quality...................................................................... 62
Symptom #4 — Dissolved Gas in the Water.................................................................. 63
Module 8—Protecting Your Well From Contamination...................................................65
Poor Well Construction.......................................................................................................... 65
Old Wells................................................................................................................................ 66
Well Pits................................................................................................................................. 67
Farm Water Hydrants Installed in a Well or Well Pit. ....................................................... 68
Poor Sewage Systems. ........................................................................................................... 68
Seismic Shot Holes................................................................................................................. 69
Over-Application or Improper Storage of Manure or Fertilizer.......................................... 69
Hazardous Material Storage................................................................................................. 69
Fuel Storage Tanks................................................................................................................ 70
Pesticide Contamination. ...................................................................................................... 70
Contamination During Maintenance.................................................................................... 70
Module 9—Plugging Abandoned Wells................................................................................73
Who is Responsible?............................................................................................................... 74
Process of Plugging a Well..................................................................................................... 74
Preparation...................................................................................................................... 74
Materials.......................................................................................................................... 75
Method. ............................................................................................................................ 76
Steps to Plugging a Well........................................................................................................ 77