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Aopendix A - Fig'ur'es.,,
Upper'Rocky Mitigation Bank Draft Prospectus' ;
Appendix A - Figures
Figure1.........................................................................................................................Project Location Map
Figure2....................................................................................................................... Catchment Areas Map
Figure3..................................................................................................................... USGS Topographic Map
Figure4......................................................................................................................................... WAR Map
Figure5.................................................................................................................................. NRCS Soils Map
Figure6.................................................................................................................... Existing Conditions Map
Figure7........................................................................................................................Mitigation Types Map
Legend
Project Centroid 8 -Digit HUCs
Conservation Easements LWPs
HUC 03040105 TLWs
0 50 100
Miles
Project is located in
TLW HUC-14: 03040105010010
" to
HUC: 03040105
f
0 15
==!iMiiNiMiles—
Hopewell
O
O
%
L73
0 0.5 1 Sources: Esri-r ERE, DeLorme, USGS, Intermap, increment P Corp
NRCAN�'Esri Japan, METI, Esri China (Hong Kong), Esri (Thailand)
Miles Yapmylndia, @ OpenStreetMap contributors, and the GIS User Community
FIGURE
WATER & LAND Upper Rocky Project Location
SOLUTIONS Mitigation Bank
waterlandsolutions.com NAD 1983 2011 State Plane
North Carolina FIPS 3200 FT USI
Appendix D- Pre -construction Baseline
Monitoring Efforts
Upper Rocky Mitigation Bank Draft Prospectus
Cross Section Data
Upper Rocky Mitigation Bank
Pre -Construction Baseline Assessment
Fifteen cross sections were surveyed throughout the proposed Bank. It should be noted that the
existing conditions of on-site streams are considered to be highly unstable. Cross sections were
recorded at representative sections to indicate the unstable and highly incised nature of each reach. in-
field bankfull indicators were very difficult to identify. Therefore, for the purpose of depicting incision
and stream conditions, regional curve relationships for cross sectional area were estimated and depicted
on cross sections. Cross section locations are described in the existing conditions narrative. A Figure
depicting the locations of these cross sections is included in this Appendix. Results of those surveys are
shown in the figures and tables below.
Cross Section Data
Upper Rocky Mitigation Bank
Cross Section 1, Reach 1
108
106
104
0102
m
100
U-1
98
96
94
0 10 20 30 40 50 60 70
Width
Cross Section 2, Reach 2
Riffle
Bankfull Dimensions
Flood Dimensions
23.6
XS Area (sq ft)
12.3 Width FPA (ft)
13.8
Width (ft)
0.9 Entrenchment Ratio
1.7
Mean Depth (ft)
10.5 Low Bank Height (ft)
2.5
Max Depth (ft)
4.2 Low Bank Height Ratio
15.3
1.5
8.0
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
96
w 95.5
Cross Section 2, Reach 2
Riffle
Bankfull Dimensions
985
5.1
XS Area (sq ft)
98--
5.1
Width (ft)
97.5
- -
Mean Depth (ft)
97
-
Max Depth (ft)
x 96.5
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
96
w 95.5
-
95
- - - - -
94.5
94
_
935
0 5 10 15 20 25 30 35 40 45
Width
2
Bankfull Dimensions
Flood Dimensions
5.1
XS Area (sq ft)
8.9 Width FPA (ft)
5.1
Width (ft)
1.7 Entrenchment Ratio
1.0
Mean Depth (ft)
3.6 Low Bank Height (ft)
1.4
Max Depth (ft)
2.6 Low Bank Height Ratio
6.2
0.8
5.2
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
2
Cross Section Data
Upper Rocky Mitigation Bank
Cross Section 3, Reach 3 (Downstream of 2 maior headcuts)
98 Riffle
97
96 -------------- ----- ---- ----__------------------ -
95 - - —
c.94
c�
V2 -- --
LL61 -
90 _.
89
88
-20 -10 0 10 20 30 40 50
Width
Cross Section 4, Reach 3 (Downstream of one major headcut, upstream of one major headcut)
DifFl
100
99
98
C97
tz6
95
w
94
93
92
-15
Width
Bankfull Dimensions
Flood Dimensions
10.1
XS Area (sq ft)
8.0 Width FPA (ft)
6.1
Width (ft)
1.3 Entrenchment Ratio
1.7
Mean Depth (ft)
6.5 Low Bank Height (ft)
2.1
Max Depth (ft)
3.1 Low Bank Height Ratio
8.5
1.2
3.7
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
Cross Section 4, Reach 3 (Downstream of one major headcut, upstream of one major headcut)
DifFl
100
99
98
C97
tz6
95
w
94
93
92
-15
Width
3
Bankfull Dimensions
Flood Dimensions
10.0
XS Area (sq ft)
12.9 Width FPA (ft)
5.8
Width (ft)
2.2 Entrenchment Ratio
1.7
Mean Depth (ft)
6.0 Low Bank Height (ft)
3.3
Max Depth (ft)
1.8 Low Bank Height Ratio
9.7
1.0
3.4
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
3
Cross Section Data
Upper Rocky Mitigation Bank
Cross Section 5, Reach 3 (Upstream of two major headcuts)
Riffle
101
100.5
100
99.5
C99
#.5
>98
87.5
97
96.5
96
-20 -10 0 10 20 30 40 50 60
Width
Cross Section 6, Reach 5
Riffle
96
95 --
94
93 -- - -- - - - - — -
`o_ 92
C5
w
90 - - —
89
88 - -- — - -- - --
87
0 5 10 15 20 25 30 35 40 45 50
Width
Bankfull Dimensions
Flood Dimensions
10.1
XS Area (sq ft)
7.1 Width FPA (ft)
5.5
Width (ft)
5.3 Entrenchment Ratio
1.8
Mean Depth (ft)
3.0 Low Bank Height (ft)
2.1
Max Depth (ft)
1.4 Low Bank Height Ratio
11.3
0.7
3.5
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
Cross Section 6, Reach 5
Riffle
96
95 --
94
93 -- - -- - - - - — -
`o_ 92
C5
w
90 - - —
89
88 - -- — - -- - --
87
0 5 10 15 20 25 30 35 40 45 50
Width
4
Bankfull Dimensions
Flood Dimensions
3.3
XS Area (sq ft)
6.9 Width FPA (ft)
5.1
Width (ft)
1.4 Entrenchment Ratio
0.6
Mean Depth (ft)
7.3 Low Bank Height (ft)
1.2
Max Depth (ft)
6.4 Low Bank Height Ratio
5.9
0.6
7.9
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
4
Cross Section 7, Reach 5
96
95 ----------- ---
94
93
092 __--
M91
090
89
88
87
Cross Section Data
Upper Rocky Mitigation Bank
0 10 20 30 40 50 60
Width
Cross Section 8, Reach 4
99
98
97
96
0 95
94
w 93
92
91
90
89
Riffle
0 5 10 15 20 25 30 35
Width
Bankfull Dimensions
Flood Dimensions
11.0
XS Area (sq ft)
11.7 Width FPA (ft)
7.2
Width (ft)
1.6 Entrenchment Ratio
1.5
Mean Depth (ft)
7.6 Low Bank Height (ft)
2.5
Max Depth (ft)
3.0 Low Bank Height Ratio
9.0
1.2
4.7
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
Cross Section 8, Reach 4
99
98
97
96
0 95
94
w 93
92
91
90
89
Riffle
0 5 10 15 20 25 30 35
Width
5
Bankfull Dimensions
Flood Dimensions
5.2
XS Area (sq ft)
5.9 Width FPA (ft)
5.2
Width (ft)
1.1 Entrenchment Ratio
1.0
Mean Depth (ft)
6.0 Low Bank Height (ft)
1.2
Max Depth (ft)
5.0 Low Bank Height Ratio
6.6
0.8
5.2
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
5
Cross Section Data
Upper Rocky Mitigation Bank
Cross Section 9, Reach 4
Riffle
975
Flood Dimensions
5.0
XS Area (sq ft)
20.0 Width FPA (ft)
6.2
Width (ft)
3.2 Entrenchment Ratio
0.8
Mean Depth (ft)
1.7 low Bank Height (ft)
97
Max Depth (ft)
1.4 Low Bank Height Ratio
6.8
0.7
7.6
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
965
-
- - --
----- ---- ---------------------
0
--
96
v
w
955
- -
—
95
--
945
0 5 10 15 20 25
Width
Cross Section 10, Reach 6
96
95
94
X93
092
aQi91
w90
89
88
Riffle
10 15 20 25 30
Width
Bankfull Dimensions
Flood Dimensions
5.0
XS Area (sq ft)
20.0 Width FPA (ft)
6.2
Width (ft)
3.2 Entrenchment Ratio
0.8
Mean Depth (ft)
1.7 low Bank Height (ft)
1.2
Max Depth (ft)
1.4 Low Bank Height Ratio
6.8
0.7
7.6
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
Cross Section 10, Reach 6
96
95
94
X93
092
aQi91
w90
89
88
Riffle
10 15 20 25 30
Width
Bankfull Dimensions
Flood Dimensions
6.6
XS Area (sq ft)
23.0 Width FPA (ft)
4.4
Width (ft)
5.3 Entrenchment Ratio
1.5
Mean Depth (ft)
5.1 Low Bank Height (ft)
2.5
Max Depth (ft)
2.0 Low Bank Height Ratio
6.9
1.0
2.9
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
Cross Section Data
Upper Rocky Mitigation Bank
Cross Section 11, Reach 5
Riffle
96
95 ------
94
092
u°' -9i 0 --
89 _ - —
88 — —
87
0 10 20 30 40 50
Width
Cross Section 12, Reach 6
Riffle
98
97
96
95
94
_093
ia92
X91
X30
89
88
87
0 10 20 30 40 50
Width
Bankfull Dimensions
Flood Dimensions
10.3
XS Area (sq ft)
10.3 Width FPA (ft)
6.9
Width (ft)
1.5 Entrenchment Ratio
1.5
Mean Depth (ft)
7.3 Low Bank Height (ft)
2.3
Max Depth (ft)
3.2 Low Bank Height Ratio
8.9
1.2
4.7
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
Cross Section 12, Reach 6
Riffle
98
97
96
95
94
_093
ia92
X91
X30
89
88
87
0 10 20 30 40 50
Width
7
Bankfull Dimensions
Flood Dimensions
5.6
XS Area (sq ft)
37.0 Width FPA (ft)
5.6
Width (ft)
6.6 Entrenchment Ratio
1.0
Mean Depth (ft)
6.7 Low Bank Height (ft)
4.3
Max Depth (ft)
1.6 Low Bank Height Ratio
12.1
0.5
5.5
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
7
Cross Section Data
Upper Rocky Mitigation Bank
Cross Section 13, Reach 6
Riffle
96.5
96
95.5
c
.995 ------_
c�
@' .5
94
93.5
0 5 10 15 20 25 30 35 40
Width
Cross Section 14, Reach 9
Riffle
96
95 - ---------------------- _ /00_
94
93
c92
0
>90
w89
88
87
86
0 10 20 30 40 50 60
Width
Bankfull Dimensions
Flood Dimensions
8.2
XS Area (sq ft)
36.5 Width FPA (ft)
14.7
Width (ft)
2.5 Entrenchment Ratio
0.6
Mean Depth (ft)
1.2 Low Bank Height (ft)
1.1
Max Depth (ft)
1.1 Low Bank Height Ratio
15.4
0.5
26.3
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
Cross Section 14, Reach 9
Riffle
96
95 - ---------------------- _ /00_
94
93
c92
0
>90
w89
88
87
86
0 10 20 30 40 50 60
Width
8
Bankfull Dimensions
Flood Dimensions
4.7
XS Area (sq ft)
11.6 Width FPA (ft)
6.7
Width (ft)
1.7 Entrenchment Ratio
0.7
Mean Depth (ft)
8.2 Low Bank Height (ft)
2.1
Max Depth (ft)
4.0 Low Bank Height Ratio
9.4
0.9
6.0
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
8
Cross Section Data
Upper Rocky Mitigation Bank
Cross Section 15, Reach 10
Rifle
96
95
-
0.9
XS Area (sq ft)
94
C 93
0
R 92
---
J4
-
1.3 Entrenchment Ratio
0.4
d
W91
--- --- - — —
0.6
Max Depth (ft)
10.2 Low Bank Height Ratio
------
--- --
90
89
- -
--
88
-
0 2 4 6 8 10 12 14
Width
Bankfull Dimensions
Flood Dimensions
0.9
XS Area (sq ft)
2.4 Width FPA (ft)
1.9
Width (ft)
1.3 Entrenchment Ratio
0.4
Mean Depth (ft)
5.7 Low Bank Height (ft)
0.6
Max Depth (ft)
10.2 Low Bank Height Ratio
2.6
0.3
4.4
Wetted Perimeter (ft)
Hydraulic Radius (ft)
Width -Depth Ratio
Ground Water Monitoring Preliminary Results
Upper Rocky Mitigation Bank
Pre -Construction Baseline Assessment — July 2016
Thirteen Onset HOBO U20L-04 (13 foot) Data Loggers were installed throughout the Bank premises to
measure groundwater in areas where wetland preservation, restoration, enhancement, or rehabilitation
may occur (Figure 1-D). These wells were installed in April 2016. Preliminary results of the ground
water levels are being recorded daily and will be provided. Comprehensive results will be compared to
rainfall data and used to evaluate areas for wetland restoration.
Benthic Macroinvertebrate Monitoring Results
Upper Rocky Mitigation Bank
Pre -Construction Baseline Assessment — Summer 2016
WLS staff collected benthic macrointerebrate samples at two locations within the proposed Upper
Rocky Mitigation Bank in July of 2016 in accordance with the Division of Water Resources Biological
Assessment Branch (BAB) Qual 4 sampling protocol (NCDWR 2016). The macroinvertebrate collection
sites (Figure 1-D) were a subset of four water quality sites that were monitored for temperature, pH,
dissolved oxygen, and specific conductance. Identification and bioclassification of the samples were
conducted by Penrose Consulting in August 2016. Table 1 summarizes the results of this
bioclassification.
Little to no habitat existed for macroinvertebrates at Site 1. The stream was channelized and filled in
with sediment from upstream construction activities. No riffle pool structure was present. At Site 2,
there was suitable habitat. Although the channel is deeply incised, there are riffles and pools present
and there is a mixture of cobble, gravel, and sand.
No macroinvertebrates were found at Site 1; therefore, it receives a classification of "Poor". Some
macroinvertebrates were found at Site 2 and are shown in Table 1. Site 2 received a classification of
"Fair".
Benthic Macroinvertebrate Monitoring Results
Upper Rocky Mitigation Bank
Table 1. Bioclassification of Macroinvertebrate Samples
Collection Location
Site 1
Site 2
Collection Date (mo/year)
7/6/2016
7/6/2016
Taxa Name (Biotic Index value)
Trichoptera
Family Hydropsychidae
Cheumatopsyche spp (6.6)
1
Diplectrona modesta (2.3)
1
Hydropsyche betteni (7.9)
2
Diptera: Miscellaneous families
Family Simuliidae
Simulium spp (4.9)
2
Family Tipulidae
Tipula spp (7.5)
1
Chironomidae
Parametriocnemus lundbecki (3.7)
Polypedilum aviceps (3.6)
Polypedilum illinoense grp. (8.7)
Polypedilum halterale (7.4)
Polypedilum scalaenum (8.5)
1
Rheotanytarsus spp (6.5)
Odonata
Family Coenagrionidae
Argia spp (8.3)
Oligochaeta
Family Lumbriculidae (7.0)
Crustacea
Family Asellidae
Family Cambaridae (immature) (7.5)
Total Taxa Richness
0
6
EPT Taxa Richness
0
3
EPT Abundance
0
4
Biotic Index
0
6.31
Number of taxa = 2.5 or less
0
1
DWR piedmont criteria for small streams
Poor
Fair
Benthic Macroinvertebrate Monitoring Results
Upper Rocky Mitigation Bank
References
NCDWR. 2016. Standard Operating Procedures for Collection and Analysis of Benthic
Macroinvertebrates. NC Division of Water Resources, Biological Assessment Branch. Version
5.0, February 2016. Accessed via: https:Hncdenr.s3.amazonaws.com/s3fs-
public/Water%20Quality/Environmental%20Sciences/BAU/NCDWRMacroinvertebrate-SOP-
February%202016_final.pdf
3
Water Quality Monitoring Results
Upper Rocky Mitigation Bank
Pre -Construction Baseline Assessment - Summer 2016
Water quality measurements included surface water temperature (°C), dissolved oxygen (mg/L and %),
specific conductance (µS/cm at 25 °C), and pH. Measurements were made in accordance with NCDWQ
guidance (NCDENR DWQ 2013). All measurements were made in situ in a representative point of the
channel that was flowing and generally at the thalweg. Measurements were made using an YSI
Professional Plus Instrument at four different representative locations during July of 2016. Table 1
outlines the results. Water quality measurements were recorded during baseflow conditions at four
locations within the proposed Bank (Figure 1-D).
Table 1
Site ID
Temperature Dissolved
(°c) Oxygen (mg/L)
Dissolved
Oxygen (%)
Specific
Conductance
(IIS/cm)
pH
UR -1
22.3 6.54
74.7
116.7
7.70
UR -2
21.3 6.34
71.3
175.6
7.18
UR -3
22.0 4.79
54.9
1 129.6
7.46
UR -4
21.7 6.42
73.5
1 158.9
7.43
Results of monitoring efforts were analyzed based on guidance from the "REDBOOK" published by
NCDENR DWQ in 2003. The temperature results ranged from 21.3" C to 22.3° C. Temperatures should
not exceed 2.8 degrees above natural water temperature and should never exceed 29° C. Our results
therefore reflected a normal seasonal range. The water quality standard for dissolved oxygen in non -
trout waters of North Carolina is to remain above a daily average of 5.0 mg/L with a minimum value of
4.0 mg/L. The results of dissolved oxygen in the Bank easement boundaries ranged from 4.79 mg/L to
6.54 mg/L. Only one sample point was below 5.0 mg/L and no sampling points were below the minimum
value. The pH should range between 6.0 SU and 9.0 SU generally, except in backwater conditions where
the pH may be as low at 4.3 SU. Inside the Bank easement boundaries the pH ranged from 7.18 SU to
7.70 SU, well within a normal pH range. The specific conductance (SPC) was also measured at all four
sampling locations and ranged from 116.7 SPC to 175.6 SPC. The approximate values that can be
expected for specific conductance of a freshwater streams are between 100-200 µS/cm, considered to
be wide rangeing due to in -stream geology. The values collected on-site fall within the expected values.
Water Quality Monitoring Results
Upper Rocky Mitigation Bank
References
NCDENR DWQ. 2003. "REDBOOK" Surface Waters and Wetlands Standards, (NC Administrative Code
15A NCAC 02B .0100 & .0200) Accessed via: https://www.epa.eov/sites/production/files/2014-
12/documents/nc-classifications-wgs.pdf
NCDENR DWQ. 2013. Intensive Survey Branch Standard Operating Procedures Manual: Physical and
Chemical Monitoring, version 2.1, December 2013. Accessed via:
https:Hncdenr.s3.amazonaws.com/s3fs-public/document-library/Appendix%207%20-
%201SB%2050 P%20ver%202.1-Dec.2013. pdf
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