| Description |
1 online resource (189 pages) |
| Series |
Sustainable Water Well ; v. 2 |
|
Sustainable Water Well
|
| Contents |
Cover; Title Page; Copyright Page; Table of Contents; 1: INTRODUCTION; 2: WELL CONSTRUCTION; Water Supply Development; Geological Formation; Well Screen; Types of Screen Openings; Cemented Gravel Pack; Well Casing; Sanitary Well Seal; Annular Seal; Drainage Away from the Well Head; Well Screen and Gravel Pack Selection; PVC Wells and Biofouling; Developing Gravel Pack Wells; Thickness of Gravel Pack; Naturally Developed Wells; Initial Well Development Process; Entrance Velocities; Pump Test; Discharge Capacity and Specific Capacity; Well Efficiency; Losses of Static Water Level |
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3: GROUNDWATER MICROBIOLOGYSources of Biofouling Microorganisms; Current Bacterial Testing Methods; Other Organisms in Groundwater Systems; Surface Water Infiltration; 4: LONGEVITY OF REHABILITATION TREATMENTS; Accumulation of Materials in Wells and Systems; Zone of Fouling; Rate of Iron Deposition; Rate of Biofouling; Longevity of Rehabilitation Treatments; Water Well Rehabilitation Benefits; Economic Analysis of Well Rehabilitation; 5: IDENTIFICATION OF WELL PROBLEMS; Benefits of Problem Identification; Lost Capacity; Turbidity Problems; Corrosion Problems; Red Water Problems |
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Single Well Water Quality VariationsOdor Problems; 6: UNSAFE BACTERIAL RESULTS; Sources of Unsafe Samples; Total Coliforms; Analytical Procedures; Problems in Achieving Safe Samples; Hygiene Risk Surveys on Wells; 7: WELL HYDRAULICS; Flow Dynamics of Wells; Position of Biofouling Relative to Well Screen; Suction Flow Control Devices; 8: MICROBIAL TRANSFORMATION IN OXIDATION AND REDUCTION; Nitrate Problems in Wells; Sulfur Cycle in Groundwater; 9: CAUSES OF WELL PLUGGING PROBLEMS; Categories; Mechanical Plugging; Mineral Encrustation in Well Plugging |
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Tests for Bacteria-Causing Plugging ProblemsIron-Related Bacteria; Slime-Forming Bacteria; Sulfate-Reducing Bacteria; 10: DIAGNOSING WELL PROBLEMS; Historical Records; Diagnosis Utilizing Water Chemistry Analysis; Diagnosis with Deposit Analysis; Diagnosis with Biological Activity Reaction Tests (BARTâ#x84;Ø); Diagnosis Using Hetertrophic Plate Count; Drillerâ#x80;#x99;s Log for Diagnosis of Problems; Down-Hole Video Inspection; 11: WATER WELL REHABILITATION; Introduction to Solutions; Pretreatment; Various Treatment Applications; Development or Redevelopment Stage; Surge and Purge |
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Sonar-Jetâ#x84;Ø Well RehabilitationChemical Applications in Well Rehabilitation; Phosphorus Treatment Products; Shock Chlorination and Other Oxidizing Agents; Disinfectants; Efficacy of Using Pellet Chlorinators in Water; Selection of Acids; Advances in Technologies and Chemistries; Aqua Freedâ#x84;Ø; Environmental Safety Concerns; 12: WELL DEVELOPMENT AND MAINTENANCE; Well Development; Preventative Maintenance of Wells; Layne Anoxic Block System (LABS)â#x84;Ø; Closing Remarks; SELECTED BIBLIOGRAPHY; INDEX |
| Notes |
Print version record |
| Form |
Electronic book
|
| ISBN |
9781351404785 |
|
1351404784 |
|
