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Site Characteristics
Drainage Area Parking Lot
I:P Ratio 9:1
Cover Plants/Mulch
Native Soils Silty Clay
Filter Media 60% Sand
Brand name
7
Biofilters
Overflow dry pond
Rainwater Cistern
Permeable Pavers
Vegetated Swales
Biofilters
Courtesy: Schollen & Co.
Site Characteristics
Drainage Area Parking Lot
I:P Ratio 8 to 10:1
Cover Trees/shrubscobble inlets
Native Soils Silty Clay
Filter Media Gravel Inlets
Brand name
Parallel biofilter study at LCC SE
Catch-ment
Site Characteristics
Drainage Area Parking Lot
I:P Ratio 10:1
Cover Plants/mulch
Native Soils Silty Clay
Filter Media >80% sand
Brand name
Nutrient
Nixer
Site Characteristics
Drainage Area Parking Lot
I:P Ratio 11 to 13:1
Cover Plants/Stone
Native Soils Silty Clay
Filter Media 10–30% sand!
Brand name
River
Rocker
10
Site Characteristics
Drainage Area Road
I:P Ratio 5:1
Cover Plants/stone
Native Soils Imperm. liner
Filter Media 85% sand
Brand name
11
Site Characteristics
Drainage Area Parking Lot
I:P Ratio 10:1
Cover Plants/Mulch
Native Soils Silty Clay
Filter Media Garden loam
Brand name
Grass swales
Vegetated bio-swales Gardens with curb cuts
Site Characteristics
Drainage Area Road/Lawn/ Roof
I:P Ratio Approx: 10:1
Cover Plants/mulch
Native Soils Silty Clay
Filter Media Sandy
Brand name
Site Characteristics
Drainage Area Road/Lawn
I:P Ratio Approx: 6:1
Cover Plants/Mulch
Native Soils Clayey silt on silt till
Filter Media Sandy
Brand name
Runoff Redeemer
Site Characteristics
Drainage Area Parking Lot
I:P Ratio 22 - 30:1
Cover Trees/shrubs/plants
Native Soils Silty Clay fill over clay till
Filter Media Sandy
Brand name
Bioretention Cells
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Pocket filter
Flood Buster
Nutrient Nixer
Lake Saver
Organic Oasis
River Rocker
Sunken Soakers
Runoff Rdeemr
Treatment Trainer
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TP a
nd
PO
4 (
mg
/L)
Pocket filter
Flood Buster
Nutrient Nixer
Lake Saver
Organic Oasis
River Rocker
Sunken Soakers
Runoff Rdeemr
Treatment Trainer
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Imbrium Sorbtive Media™
Red sand
Control Asphalt
North Bio @ LCC IMAX Bio
20
Control Red Sand Imbrium Sorbtive
Media™
Amended with Sorbtive Media™
Red Sand Layer
Sorbtive Media™ Vault
IMAX Bio(aka Treatment Trainer)
Asphalt (n= 152)
Preliminary data
North Bio @ LCC (aka Nutrient Nixer)
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Lined filter swales
High I:P ratio
0102030405060708090
100 90 80
60
83 91
21
32
92
80 72
Ru
no
ff R
ed
uct
ion
(%
)
Honda (gravel inlet) LCC site/measured
0
20
40
60
80
10097 98 99
92
79 73
93 88
98
TSS
Load
Re
du
ctio
n (
%)
22
Lined Filter swales
Gravel Inlet
High I:P ratio
-30-20-10
0102030405060708090
100 91 93 93 92
-18 -21
83 91
68
TP L
oad
Re
du
ctio
n (
%)
23
Lined Filter Swales
High I:P ratio
Gravel Inlet
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ER Bio (River Rocker)
Seneca Bio (Organic Oasis)
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0
50
100
150
200
0 500 1000
Wat
er
Leve
l (m
m)
Time after peak (min)
Jun 2007
Jul 2013
0
100
200
300
0 500 1000 1500
Wat
er
Leve
l (m
m)
Time after peak (min)
Nov. 2006
Jun 2007
Jul 2013
2007 2013
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