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3

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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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15

16

17

Pocket filter

Flood Buster

Nutrient Nixer

Lake Saver

Organic Oasis

River Rocker

Sunken Soakers

Runoff Rdeemr

Treatment Trainer

18

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

19

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)

21

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

•

•

•

•

•

24

ER Bio (River Rocker)

Seneca Bio (Organic Oasis)

•

•

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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