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About UNEP
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United Nations Environment Programme
Division of Technology, Industry and Economics
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Newsletter and Technical Publications
<International Source Book On Environmentally Sound Technologies
for Wastewater and Stormwater Management>

Table 1.13: Stormwater Management Practices
Purpose Method Reason
Peak flow rate attenuation  Storm monitoring
Detention/channel storage
Gravel surfaces
Rooftop/ parking lot storage
Disconnected impervious areas
Flood prediction
Flood routing
Retardation
Flood routing and lag
Infiltration & attenuation
Runoff volume reduction Retention storage
Diversion
Soakaways
Basin recharge
Infiltration
French drains
Swales
Porous pavements
Contour ploughing
Removal of flow
Subtraction of flow
Infiltration
Increase in groundwater
Flow reduction
Seepage
Flow retardation,
Infiltration
Infiltration
Provision for flooding Insurance
Flood zone building control regulation
Flood warning
Compensation
Limitation of damage
Evacuation or diversion
Catastrophe aversion Evacuation
Sandbagging
Emergency overflows
Weir strengthening
Water tanks
 Structural failure
High water levels
Water flow control
Dangerous flood levels
Polluted water supplies
Erosion control Berms
Vegetation
Rockfill
Mulching
Fertilizing
Settling basins
Sediment removal
Screen
Centrifuge
Contour ploughing
Settling
Stabilization, retardation
Flow control
Runoff control
Stimulation of vegetation
Catchment sediment
Basin renewal
Detritus
Separation
Surface storage
Pollution control Street sweeping
Street vacuuming
Street flushing
Catching first flush
Refuse removal
Storage
Aeration
Chemicals
Comminuters
Floatation
Legislation
Summons or fines
Waste dump isolation
Grass street verges
Fertilization methods
Land disposal
  Catching solids
Catching fines
Total removal
Most concentrated
Avoidance of pollution
Settling
Biochemical oxidation
Neutralization, precipitation
Grinding large solids
Scum, emulsion, oil
Enforcement of standards
Disincentive
Runoff detention
Catching fines, scums
Minimization of washoff
Removal of recoveries.

 

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