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Attachment G - Stormwater Quality Management plan
Saturated Hydraulic Conductivity (mm/hr) 200 200 200 200 200 200 200 200 200 200 200 200
Infiltration Media Porosity 0.35 0.35 0.35 0.35 0.35 0.35 0.35 0.35 0.35 0.35 0.35 0.35
Length (m) 45 60
Bed slope 0.03 0.01
Base Width (m) 1 0.5
Top width (m) 5 4
Vegetation height (m) 10 0.25
Vegetated with Vegetated with Vegetated with Vegetated with
Vegetated with Vegetated with Vegetated with Vegetated with Vegetated with Vegetated with Vegetated with Vegetated with
Effective Effective Effective Effective
Effective Effective Effective Effective Effective Effective Effective Effective
Nutrient Nutrient Nutrient Nutrient
Nutrient Nutrient Nutrient Nutrient Nutrient Nutrient Nutrient Nutrient
Removal Removal Removal Removal
Removal Plants Removal Plants Removal Plants Removal Plants Removal Plants Removal Plants Removal Plants Removal Plants
Plants Plants Plants Plants
Vegetation Type
Total Nitrogen Content in Filter (mg/kg) 400 400 400 400 400 400 400 400 400 400 400 400
Orthophosphate Content in Filter (mg/kg) 50 50 50 50 50 50 50 50 50 50 50 50
Is Base Lined? Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Is Underdrain Present? Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Is Submerged Zone Present? No No No No No No No No No No No No
Submerged Zone Depth (m)
B for Media Soil Texture -9999 -9999 -9999 -9999 13 -9999 13 13 13 13 13 13 13 13 13 13 13
Proportion of upstream impervious area treated
Exfiltration Rate (mm/hr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Evaporative Loss as % of PET 0 0 0 100 100 100 100 100 100 100 100 100 100 100 100
Depth in metres below the drain pipe
Sfc 0.37 0.37 0.37 0.37 0.37 0.37 0.37 0.37 0.37 0.37 0.37 0.37
S* 0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.22
Sw 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11
Sh 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05
Emax (m/day) 0.008 0.008 0.008 0.008 0.008 0.008 0.008 0.008 0.008 0.008 0.008 0.008
Ew (m/day) 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001
IN - Mean Annual Flow (ML/yr) 0.132 7.33E-02 8.79E-02 2.5 0.186 0.902 0.171 0.327 0.292 0.384 0.209 0.1 0.108 0.257 0.342 0.225 0.484
IN - TSS Mean Annual Load (kg/yr) 3.9 2.21 2.61 180 33.1 21 30.6 56.9 54.9 72 39.1 19 20.5 35.2 63.7 42.7 92.2
IN - TP Mean Annual Load (kg/yr) 2.19E-02 1.23E-02 1.45E-02 0.533 7.03E-02 0.125 6.57E-02 0.125 0.113 0.151 8.19E-02 3.92E-02 4.25E-02 8.27E-02 0.136 8.69E-02 0.193
IN - TN Mean Annual Load (kg/yr) 0.279 0.154 0.185 3.18 0.372 0.892 0.343 0.657 0.596 0.778 0.424 0.204 0.218 0.514 0.691 0.463 0.981
IN - Gross Pollutant Mean Annual Load (kg/yr) 3.05 1.69 2.03 11.8 3.22 0 2.96 5.66 6.08 7.99 4.34 2.08 2.26 3.82 7.12 4.69 10.1
OUT - Mean Annual Flow (ML/yr) 0.132 7.33E-02 8.79E-02 2.5 0.182 0.902 0.167 0.32 0.284 0.376 0.205 9.63E-02 0.105 0.253 0.334 0.221 0.476
OUT - TSS Mean Annual Load (kg/yr) 2.78 1.38 1.71 56.9 7.65 21 6.78 10.6 7.78 12.8 8.23 2.2 2.53 8.3 10.8 9.59 20.7
OUT - TP Mean Annual Load (kg/yr) 1.98E-02 1.07E-02 1.28E-02 0.366 3.05E-02 0.125 2.82E-02 5.15E-02 4.05E-02 5.86E-02 3.39E-02 1.31E-02 1.43E-02 3.93E-02 5.08E-02 3.67E-02 8.24E-02
OUT - TN Mean Annual Load (kg/yr) 0.261 0.138 0.169 3.65 0.195 0.892 0.177 0.315 0.265 0.373 0.219 8.63E-02 9.38E-02 0.278 0.318 0.245 0.501
OUT - Gross Pollutant Mean Annual Load (kg/yr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Flow In (ML/yr) 0.131884 0.0732631 0.087906 2.49684 0.185892 0.901544 0.171059 0.327255 0.291838 0.383563 0.20849 0.10005 0.108417 0.25667 0.341829 0.22517 0.483574
ET Loss (ML/yr) 0 0 0 0 0.00375555 0 0.00374836 0.00754327 0.00755618 0.00759264 0.00377845 0.00371355 0.00372118 0.00379382 0.00757836 0.00378418 0.00761582
Infiltration Loss (ML/yr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Low Flow Bypass Out (ML/yr) 0 0 0 0 0 0.901544 0 0 0 0 0 0 0 0 0 0 0
High Flow Bypass Out (ML/yr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Orifice / Filter Out (ML/yr) 0.131618 0.0732635 0.0879095 2.49696 0.121579 1.31E-07 0.114006 0.231471 0.220606 0.273357 0.138188 0.0771341 0.0825709 0.166082 0.250115 0.146485 0.326382
Weir Out (ML/yr) 0.000261157 0 0 0 0.0605087 0 0.0532245 0.0880281 0.0635037 0.102381 0.0664007 0.0191336 0.0220327 0.0866837 0.0839938 0.0747653 0.149373
Transfer Function Out (ML/yr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Reuse Supplied (ML/yr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Reuse Requested (ML/yr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
% Reuse Demand Met 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
% Load Reduction 0.00325838 -0.000496343 -0.00403323 -0.00509736 2.04611 -1.46E-05 2.23846 2.36996 2.64826 2.0402 1.87133 3.78082 3.51699 1.52113 2.25873 1.74078 1.61701
TSS Flow In (kg/yr) 3.89871 2.2105 2.60995 179.9 33.0908 20.9694 30.5765 56.8671 54.8136 71.9181 39.0455 18.9503 20.4404 35.1756 63.6275 42.6375 92.1769
TSS ET Loss (kg/yr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TSS Infiltration Loss (kg/yr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TSS Low Flow Bypass Out (kg/yr) 0 0 0 0 0 20.9694 0 0 0 0 0 0 0 0 0 0 0
TSS High Flow Bypass Out (kg/yr) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TSS Orifice / Filter Out (kg/yr) 2.77484 1.38223 1.70818 56.9322 0.245959 1.84E-06 0.231143 0.454941 0.447961 0.551499 0.288605 0.164164 0.175335 0.356975 0.505878 0.305364 0.654871
TSS Weir Out (kg/yr) 0.00602351 0 0 0 7.40554 0 6.54659 10.1517 7.33127 12.291 7.94033 2.03111 2.35425 7.94046 10.277 9.28563 20.0909
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Saturated Hydraulic Conductivity (mm/hr)
Infiltration Media Porosity
Length (m)
Bed slope
Base Width (m)
Top width (m)
Vegetation height (m)
Vegetation Type
Total Nitrogen Content in Filter (mg/kg)
Orthophosphate Content in Filter (mg/kg)
Is Base Lined?
Is Underdrain Present?
Is Submerged Zone Present?
Submerged Zone Depth (m)
B for Media Soil Texture
Proportion of upstream impervious area treated
Exfiltration Rate (mm/hr)
Evaporative Loss as % of PET
Depth in metres below the drain pipe
Sfc
st
Sw
Sh
Emax (m/day)
Ew (m/day)
IN - Mean Annual Flow (ML/yr)
IN - TSS Mean Annual Load (kg/yr)
IN - TP Mean Annual Load (kg/yr)
IN - TN Mean Annual Load (kg/yr)
IN - Gross Pollutant Mean Annual Load (kg/yr)
OUT - Mean Annual Flow (ML/yr)
OUT - TSS Mean Annual Load (kg/yr)
OUT - TP Mean Annual Load (kg/yr)
OUT - TN Mean Annual Load (kg/yr)
OUT - Gross Pollutant Mean Annual Load (kg/yr)
Flow In (ML/yr)
ET Loss (ML/yr)
Infiltration Loss (ML/yr)
Low Flow Bypass Out (ML/yr)
High Flow Bypass Out (ML/yr)
Orifice / Filter Out (ML/yr)
Weir Out (ML/yr)
Transfer Function Out (ML/yr)
Reuse Supplied (ML/yr)
Reuse Requested (ML/yr)
% Reuse Demand Met
% Load Reduction
TSS Flow In (kg/yr)
TSS ET Loss (kg/yr)
TSS Infiltration Loss (kg/yr)
TSS Low Flow Bypass Out (kg/yr)
TSS High Flow Bypass Out (kg/yr)
TSS Orifice / Filter Out (kg/yr)
TSS Weir Out (kg/yr)
-9999
0.132
3.9
2.19E-02
0.279
3.05
0.132
2.78
1.98E-02
0.261
0
0.131884
0
0
0
0
0.131618
0.000261157
0
0
0
0
0.00325838
3.89871
0
0
0
0
2.77484
0.00602351
-9999
7.33E-02
2.21
1.23E-02
0.154
1.69
7.33E-02
1.38
1.07E-02
0.138
0
0.0732631
0
0
0
0
0.0732635
-0.000496343
2.2105
0
0
0
0
1.38223
0
-9999
8.79E-02
2.61
1.45E-02
0.185
2.03
8.79E-02
171
1.28E-02
0.169
0
0.087906
0
0
0
0
0.0879095
-0.00403323
2.60995
0
0
0
0
1.70818
0
200
0.35
45
0.03
1
5
10
Vegetated with
Effective
Nutrient
Removal Plants
400
50
Yes
Yes
No
-9999 13
0 0
100
0.37
0.22
0.11
0.05
0.008
0.001
25 0.186
180 33.1
0.533, 7.03E-02
3.18 0.372
11.8 3.22
25 0.182
56.9 7.65
0.366 3.05E-02
3.65 0.195
0 0
2.49684 0.185892
0 0.00375555
0 0
0 0
0 0
2.49696 0.121579
0 0.0605087
0 0
0 0
0 0
0 0
-0.00509736 2.04611
179.9 33.0908
0 0
0 0
0 0
0 0
56.9322 0.245959
0 7.40554
60
0.01
0.5
0.25
-9999
0.902
21
0.125
0.892
0
0.902
21
0.125
0.892
0
0.901544
0
0
0.901544
0
1.31E-07
coono
0
-1.46E-05
20.9694
0
0
20.9694
0
1.84E-06
0
Vegetated with
200 200
0.35 0.35
Effective Effective
Nutrient Nutrient
Removal Plants Removal
Plants
400 400
50 50
Yes Yes
Yes Yes
No No
13 13
0 0
100 100
0.37 0.37
0.22 0.22
0.11 0.11
0.05 0.05
0.008 0.008
0.001 0.001
0.171 0.327
30.6 56.9
6.57E-02 0.125
0.343 0.657
2.96 5.66
0.167 0.32
6.78 10.6
2.82E-02 5.15E-02
0.177 0.315
0 0
0.171059 0.327255
0.00374836 —0.00754327
0 0
0 0
0 0
0.114006 0.231471
0.0532245 0.0880281
0 0
0 0
0 0
0 0
2.23846 2.36996
30.5765 56.8671
0 0
0 0
0 0
0 0
0.231143 0.454941
6.54659 10.1517
200
0.35
Effective
Nutrient
Removal
Plants
400
50
Yes
Yes
No
13
0
100
0.37
0.22
0.11
0.05
0.008
0.001
0.292
54.9
0.113
0.596
6.08
0.284
7.78
4.05E-02
0.265
0
0.291838
0.00755618
0
0
0
0.220606
0.0635037
0
0
0
0
2.64826
54.8136
0
0
0
0
0.447961
7.33127
200
0.35
Effective
Nutrient
Removal
Plants
400
50
Yes
Yes
No
13
0
100
0.37
0.22
0.11
0.05
0.008
0.001
0.384
72
0.151
0.778
7.99
0.376
12.8
5.86E-02
0.373
0
0.383563
0.00759264
0
0
0
0.273357
0.102381
0
0
0
0
2.0402
71.9181
0
0
0
0
0.551499
12.291
200
0.35
Vegetated with Vegetated with Vegetated with Vegetated with
Effective
Nutrient
Removal
Plants
400
50
Yes
Yes
No
13
0
100
0.37
0.22
0.11
0.05
0.008
0.001
0.209
30.1
8.19E-02
0.424
4.34
0.205
8.23
3.39E-02
0.219
0
0.20849
0.00377845
0
0
0
0.138188
0.066407
0
0
0
0
1.87133
39.0455
0
0
0
0
0.288605
7.94033
200
0.35
200
0.35
200
0.35
200
0.35
200
0.35
200
0.35
Vegetated with Vegetated with Vegetated with Vegetated with Vegetated with Vegetated with
Effective
Nutrient
Effective
Nutrient
Effective
Nutrient
Effective
Nutrient
Effective
Nutrient
Effective
Nutrient
Removal Plants Removal Plants Removal Plants Removal Plants Removal Plants Removal Plants
400
50
Yes
Yes
No
13
0
100
0.37
0.22
0.11
0.05
0.008
0.001
0.1
19
3.92E-02
0.204
2.08
9.63E-02
2.2
1.31E-02
8.63E-02
0
0.10005
0.00371355
0
0
0
0.0771341
0.0191336
0
0
0
0
3.78082
18.9503
0
0
0
0
0.164164
2.03111
400
50
Yes
Yes
No
13
0
100
0.37
0.22
0.11
0.05
0.008
0.001
0.108
20.5
4.25E-02
0.218
2.26
0.105
2.53
1.43E-02
9.38E-02
0
0.108417
0.00372118
0
0
0
0.0825709
0.0220327
0
0
0
0
3.51699
20.4404
0
0
0
0
0.175335
2.35425
400
50
Yes
Yes
No
13
0
100
0.37
0.22
0.11
0.05
0.008
0.001
0.257
35.2
8.27E-02
0.514
3.82
0.253
8.3
3.93E-02
0.278
0
0.25667
0.00379382
0
0
0
0.166082
0.0866837
0
0
0
0
1.52113
35.1756
0
0
0
0
0.356975
7.94046
400
50
Yes
Yes
No
13
0
100
0.37
0.22
0.11
0.05
0.008
0.001
0.342
63.7
0.136
0.691
7.12
0.334
10.8
5.08E-02
0.318
0
0.341829
0.00757836
0
0
0
0.250115
0.0839938
0
0
0
0
2.25873
63.6275
0
0
0
0
0.505878
10.277
400
50
Yes
Yes
No
13
0
100
0.37
0.22
0.11
0.05
0.008
0.001
0.225
42.7
8.69E-02
0.463
4.69
0.221
9.59
3.67E-02
0.245
0
0.22517
0.00378418
0
0
0
0.146485
0.0747653
0
0
0
0
1.74078
42.6375
0
0
0
0
0.305364
9.28563
400
50
Yes
Yes
No
13
0
100
0.37
0.22
0.11
0.05
0.008
0.001
0.484
92.2
0.193
0.981
10.1
0.476
20.7
8.24E-02
0.501
0
0.483574
0.00761582
0
0
0
0.326382
0.149373
0
0
0
0
1.61701
92.1769
0
0
0
0
0.654871
20.0909
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