Stormwater Flashcards
1
Q
Urbanisation effects on stormwater
A
Increase:
Speed runoff
Volume Runoff
Significance and frequency of events
2
Q
Soil Pollutants (5)
A
Suspended Soils
total Phosphorus
Total Nitrogen
Gross Pollutants
Hydrocarbons
3
Q
Treament Types
A
Primary
Secondary
Tertiary
4
Q
Primary teatment
A
Physical Screening, rapid sedimentation
5
Q
Types of Primary Teatment
A
Swales, litter trps, sediment ponds
6
Q
Secondary Treatment
A
Fine Particulation and filtration
7
Q
Types of Secondary Treatment
A
swales
porous paving
bio-retention systems
8
Q
Tertiary Treatment
A
Biological Uptake and Filtration
9
Q
Tertiary Treatment Application
A
Bio-retention /bioinfiltration systems
wetlands