Soil and Water Conservation Engineering

8.

Water Harvesting and Conservation

8.1.

Water Harvesting Principles

8.1.1.

Water Balance Analysis

8.1.2.

Catchment-Storage Relationships

8.1.3.

Site Suitability Assessment

8.1.4.

Economic Feasibility

8.1.5.

Environmental Considerations

8.2.

Rainwater Harvesting

8.2.1.

Rooftop Harvesting

8.2.2.

Catchment Area Calculation

8.2.3.

8.2.4.

Downspout Design

8.2.5.

First Flush Diverters

8.2.6.

Storage Tank Design

8.2.7.

Water Quality Considerations

8.2.8.

System Maintenance

8.3.

Surface Water Harvesting

8.3.1.

Microcatchment Systems

8.3.2.

8.3.3.

Contour Trenches

8.3.4.

Percolation Pits

8.3.5.

8.3.6.

Check Dam Systems

8.4.

Farm Pond Design

8.4.1.

Site Selection Criteria

8.4.2.

Soil Suitability

8.4.3.

Topographic Requirements

8.4.4.

Catchment Analysis

8.4.5.

Storage Capacity Determination

8.4.6.

Embankment Design

8.4.7.

Spillway Design

8.4.8.

Seepage Control

8.4.9.

Lining Materials

8.4.10.

Construction Procedures

8.5.

8.5.1.

Types of Check Dams

8.5.2.

Concrete Check Dams

8.5.3.

Stone Masonry Check Dams

8.5.4.

Gabion Check Dams

8.5.5.

Earthen Check Dams

8.5.6.

Design Considerations

8.5.7.

8.5.8.

Hydraulic Design

8.5.9.

Structural Design

8.5.10.

Construction Methods

8.6.

Percolation Tanks

8.6.1.

Design Principles

8.6.2.

8.6.3.

Capacity Determination

8.6.4.

Embankment Construction

8.6.5.

Spillway Arrangements

8.6.6.

Maintenance Requirements

8.7.

Groundwater Recharge

8.7.1.

Recharge Mechanisms

8.7.2.

Artificial Recharge Methods

8.7.3.

8.7.4.

8.7.5.

Percolation Tanks

8.7.6.

8.7.7.

Recharge Efficiency

8.7.8.

Water Quality Considerations

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