ST9905DR-SY110921ALAN PLUMMER
ASSOCIATES, INC.
ENVIRONMENTAL
Et G I NEERS AN D SCIENTISTS
ACM? FALW45. fit. Pt
Scientific Name
JAWSLALISTAITTER,PE
0816-002-02
STFFH4P4J,C0QWN`,PF
Juglans nigra
JOHN M IVANIONt M. K
September 21, 2011
Pecan
cal Willoensix
DAY-DA GUSM,Pf
REX H HUMS PE
Uhmis nibizi (U. dws)
LL1
Bt'r1YL)0UWKP'E
30
0Flt
Mr. Sieve Swillaft
EUINT.McD0NAL6,,ftAPE
22
J01INK MHNfAN.K
U.S. Army Corps of Engineers
I k*W.K K
Environmental Division, Regulatory Branch
n.UMM# V-EE
Cl--,',3WF-PER-R
W1UWiC.1RACK1EY-K
P.O. Box 17300
ALA"ItTLUMIM
Fort Worth, Texas 76102-0300
Re- 2011 Aruival Compliance Monitoring Report for the Modification of
Tributary G-1 Downstream of Bethel Road West — USACE Project Number:
SWF-2004-00181
Dear Mr. Swihart;
1)20rSOUT] I UNWERWTY DRIWE
331E 300
FCAT WORMLMM 16107
vfloxf 817JI06-1700
FAX 917W03536
WW&V11wa4&m
T&I fim N I1
As required in the Special Condition 41 of the U.S. Army Corps of Engineers
(USACE) permit letter dated May 4, 2005, the following information is submitted
foi yotir records. This letter report is the scventh amival written compliance report,
A general location map of (lie project area is included in Attach-nient A as Figure
A-L Figure A-2 shows a 2010 aerial photograph of the mitigation area.
Construction of the project including the planting of the mitigation Vop-lation was
completed in July 2009. The third annual assessinCAit of the survival success of
mitigation vegetation was conducted August 5, 2011. The results from the
assessment for canopy trees and small trees and S111 M'0 included on Tables I and
2, respectively.
Table 1: one A2 --Tour of HA nk of Mod ified Channel — Cane vy Trees
Common Name
Scientific Name
Number
Specified
Number
Observed
Black Walnut
Juglans nigra
20
72**
Pecan
cal Willoensix
Is*
-
Slippery Ehm
Uhmis nibizi (U. dws)
LL1
25
30
0Flt
QwVus InuldenbEgii
25
22
Shurnard Oak
quervies shinnardif
25
20
Bur Oak
allemus macl-ocul7m
8
1
Total
I I a
145
4 1 J)oes no incladc preservation of seven, I maure pecan Trees wlihin cxisl ing riparian corridor,
*#Numerous now pecan saplings observed within ille mitigation area resulting from native recruililicni.
Blark wainul und 1?2can are very sinillor as yoking growth thus joined in ouunfin&
Mr. Steve Swillart
Page 2
S eptember 2 2 011
Table 2: Zone A,2 — Top of Bank of Modified Channel — Small Trees and
shrubs
Common Name
Scientific Name
Number
�ecificd
Number
Observed
Deciduous Holly
Ilex devidisyt
15
4
, Texas Redbud
le•ens•s
8
18
Evo' Necklace
- cemis
So hares affinis
8
6
Rougb-leaf Dogwood
co)-nyx d•ummondh
30
11
Rusty BluckhaNy
Vi ibta-mun L�Lidiihons
10
7
S moot h lea f E1W%vbush_!
Foreslierci pubescepts var. �Lia
60
10
JCora[berry
aLlfhal�r�ri cis orbicidalus
105
167
ITotal
236
223
Of the tree species. observed, greater than 100 percent of the mitigation plall
specified species were observed as stirviving planted material or voluntecr growth.
Volunteer growth of pecans is particularly abundant along the northern portion of
the site where there are several mature pecan Irees. Overall, trees observed in the
ittitigalion area were in good health. Of the small live and shrub species observed,
greater than 80 percent of [lie species were observed as surviving planted material or
volunteer growth. Propagation of coralberry fi planted stock on the site hns
continued unabated. Photographs documenting current conditions of the project she
together with photographs of gabion structure. are included in Attacluncrit B.
Draft deed restriction documents were subri to the USA I: for review on
Ally 1, 201 The USACE-approved documents were then recorded with tile
County Clerk on July 27, 201 A copy of the recorded documents was subliliacd
to [lie USAGE for the project file.
Should you have any questions, please feel free to phone either Loi•etta Mokry or
myse I f at (8 17) 80 6-1700.
Sincerely,
ALAN PLUMMER ASSOCIATES, INC.
0 oil Vo
Attachment
Mr, Keith Marvin, City of Coppell
ATTACHMENT A
FIGURES
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FIGURE A -1
GENERAL LOCATION
MODIFICATION OF TRIBUTARY G -1 DOWNSTREAM OF BETHEL ROAD WEST
PROJECT NUMBER 199900754
2011 MITIGATION MONITORING REPORT 3,500 1,750 0
N
W+ E
S
3,500 Feet
t f�
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s
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aduct 6�Lp
-a Horizon w ay
m W Royal Ln
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North Lake
L2tke ='
•: •'•. Park a _.
�—
Re gent elV �� a �, F
Kinwest Pky
FIGURE A -1
GENERAL LOCATION
MODIFICATION OF TRIBUTARY G -1 DOWNSTREAM OF BETHEL ROAD WEST
PROJECT NUMBER 199900754
2011 MITIGATION MONITORING REPORT 3,500 1,750 0
N
W+ E
S
3,500 Feet
w d
r
V AR is
�v
it'
I
BETHEL ROAD
N
FIGURE A -2
2010 AERIAL PHOTOGRAPH w E
MODIFICATION OF TRIBUTARY G -1 DOWNSTREAM OF BETHEL ROAD WEST
PROJECT NUMBER 199900754 s
2011 MITIGATION MONITORING REPORT 100 50 0 100 Feet
ATTACHMENT B
AUGUST 5, 2011 PHOTOGRAPHS
P1. Looking west along the upstream portion of the project area.
P2. Looking north (downstream) from Bethel Road at the northern portion of the project area.
P3. Mitigation vegetation planted along the upslope portion of the northern project area.
P4. Propagating coralberry (Symphoricarpos orbiculatus) observed in the project area.
P6. Thriving planted mitigation vegetation (Eve's Necklace — Sophora affinis) in the project area.
P5. Looking northeast toward the terminus of the project area (mature trees in background).
P7. Thriving planted mitigation vegetation (redbud — Cercis canadensis) in the project area.
P8. Invasive Johnsongrass (Sorghum halepense) observed within the mitigation area.