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GO
AL
O
BJE
CT
IVE
S
P
OT
EN
TIA
L F
EA
TU
RE
S
Re
sto
re, to
th
e e
xte
nt p
racti-
ca
l, q
ua
lity,
fu
nctio
na
l, flo
od
-p
lain
ha
bita
t a
nd
eco
log
ica
l p
roce
sse
s in
an
Illi
no
is R
ive
r B
ackw
ate
r a
rea
.
Re
sto
re flo
odp
lain
co
nn
ec-
tivity fro
m th
e Illi
no
is R
ive
r to
a
pro
du
ctive
ba
ckw
ate
r are
a,
wh
ich
se
rves a
s fis
h s
paw
n-
ing
gro
un
ds a
nd
a n
utr
ien
t re
ch
arg
e to
th
e r
ive
r.
a)R
esto
re th
e n
atu
ral h
yd
rog
raph
of th
e
Em
iqu
on
Pre
se
rve
/ Illin
ois
Riv
er
back-
wa
ter
to a
pp
roxim
ate
pre
-se
ttle
me
nt
co
nd
itio
ns.
b)R
esto
re n
ative
aq
ua
tic h
ab
ita
t a
nd
e
co
log
ica
l p
rocesses.
c)I
ncre
ase
th
e p
rese
nce
of a
re
liab
le
foo
d s
ou
rce
an
d q
ua
lity h
ab
ita
t fo
r m
i-g
rato
ry w
ate
rfo
wl, s
ho
reb
ird
s, a
nd
o
the
r bre
ed
ing
birds.
d)I
mp
rove
wa
ter
qu
alit
y th
rou
gh
pro
c-
essin
g o
f n
utr
ien
ts a
nd
se
dim
en
ts a
nd
re
ducin
g s
ed
ime
nt re
susp
en
sio
n.
e)R
esto
re h
yd
rolo
gic
riv
er
flo
od
pla
in
co
nn
ectivity.
f)I
ncre
ase
IL R
ive
r co
nne
ctivity t
o
qu
alit
y fis
h s
pa
wn
ing
an
d n
urs
ery
hab
i-ta
ts
g)E
xpo
rt b
iolo
gic
al p
rod
uctivity to
riv
er
an
d m
axim
ize
susta
ina
bili
ty o
f a
qu
atic
ha
bita
t
h)P
rovid
e r
ecre
atio
na
l and
ed
uca
tio
na
l o
pp
ort
un
itie
s
Wa
ter
co
ntr
ol str
uctu
re / F
ish
passa
ge
str
uctu
re
Le
ve
e R
em
ova
l
Pu
mp
Sta
tio
n
Re
info
rce
d L
eve
e S
pill
wa
y
Le
ve
e R
eh
abili
tatio
n
Be
rms/isla
nds
Re
cre
atio
n a
nd
Ed
uca
tio
n
Te
na
tive
ly S
ele
cte
d P
lan
(T
SP
):
The
ten
tati
vel
y s
elec
ted p
lan w
as i
den
tifi
ed t
hro
ugh u
se o
f th
e In
crem
enta
l C
ost
Anal
ysi
s
Soft
war
e to
ol
and i
nput
from
the
Pro
duct
Del
iver
y T
eam
.
The
TS
P i
s co
mpose
d o
f a
7-f
t w
ide
Wat
er C
ontr
ol
Str
uct
ure
(W
CS
), a
60,0
00 G
PM
Pum
pin
g
Syst
em a
nd 1
0 E
arth
en I
nte
rior
Isla
nds.
Re
al E
sta
te:
The
Rea
l E
stat
e in
tere
sts
on t
he
Em
iquon
pro
ject
pre
sente
d a
uniq
ue
set
of
chal
lenges
.
The
pro
ject
sit
e co
nta
ins
his
tori
c ea
sem
ents
for
the
levee
and d
rain
age
dit
ches
, hig
hw
ay
borr
ow
pit
s, a
hig
h p
ress
ure
nat
ura
l gas
pip
elin
e, C
hic
ago s
anit
ary d
istr
ict
flood
inundat
ion
ease
men
t, a
s w
ell
as a
US
DA
-NR
CS
Wet
land R
eser
ve
Eas
emen
t.
Corp
s an
d T
NC
sta
ff h
ave
work
ed a
t gre
at
length
to d
eter
min
e a
pat
h f
or
reso
lvin
g a
ll
of
thes
e an
d o
ther
rea
l es
tate
const
rain
ts.
Man
y o
f th
ese
issu
es h
ave
bee
n
succ
essf
ull
y a
ddre
ssed
, w
hil
e oth
ers,
TN
C
and C
orp
s par
tner
s co
nti
nue
to w
ork
on
(ex:
US
DA
-NR
CS
WR
P E
asem
ent)
.
Co
llab
ora
tive
Pla
nn
ing
:
This
pro
ject
uti
lize
d t
he
TN
C’s
Key
Eco
logic
al A
ttri
bute
s (K
EA
) th
at w
ere
def
ined
by t
he
TN
C t
hro
ugh t
he
Em
iquon S
cien
tifi
c A
dvis
ory
Counci
l.
The
KE
A’s
wer
e in
stru
men
tal
in d
eter
min
ing o
bje
ctiv
es a
nd
how
to m
easu
re t
hose
obje
ctiv
es t
o m
easu
re s
ucc
ess.
Corp
s pla
nner
s w
ork
ed c
oll
abora
tivel
y w
ith T
NC
pre
serv
e st
aff
to d
evel
op a
6-y
ear
wat
er l
evel
man
agem
ent
pla
n t
o m
eet
the
ecolo
gic
al o
bje
ctiv
es.
Dev
elopin
g a
6-y
ear
wat
er l
evel
man
agem
ent
pla
n a
llow
ed t
he
Pro
duct
Del
iver
y T
eam
to e
val
uat
e var
ious
alte
rnat
ives
bas
ed o
n h
ow
eff
ecti
ve
they
are
at
mee
ting t
he
des
ired
wat
er l
evel
man
agem
ent
pla
n.
This
pla
n w
as i
nst
rum
enta
l in
iden
tify
ing
what
mea
sure
s ar
e te
chnic
ally
fea
sible
due
to r
iver
lev
els
and w
hic
h a
re n
ot.
Back
gro
un
d a
nd
Sig
nif
ican
ce:
T
he
Pro
pose
d P
roje
ct i
s lo
cate
d a
t on
e of
the
larg
est
and m
ost
reco
gniz
ed b
ott
om
land l
akes
in t
he
Illi
nois
Riv
er V
alle
y.
The
Illi
no
is R
iver
’s s
ignif
ican
ce w
as r
ecogniz
ed b
y C
ongre
ss i
n
WR
DA
1996 a
s a
“nat
ional
ly s
ignif
ican
t ec
osy
stem
” as
par
t of
the
Upper
Mis
siss
ippi
Riv
er S
yst
em.
The
TN
C E
miq
uon p
roper
ty i
s lo
cate
d w
ithin
the
area
Congre
ss
auth
ori
zed f
or
US
F&
WS
acq
uis
itio
n f
or
wet
land h
abit
at
rest
ora
tio
n.
Pri
or
to E
miq
uon’s
iso
lati
on f
rom
the
river
in 1
920 w
hen
lev
ee
const
ruct
ion w
as c
om
ple
ted, th
e P
roje
ct a
rea
was
a l
arge
com
mer
cial
inla
nd f
isher
y a
nd w
ater
fow
l hunti
ng a
rea.
Foll
ow
ing l
evee
const
ruct
ion
, th
e P
roje
ct a
rea
was
dra
ined
for
agri
cult
ura
l pro
duct
ion a
nd s
erved
as
pro
duct
ive
farm
land f
or
more
than
80 y
ears
.
In 2
000, T
NC
announce
d t
hey
had
purc
has
ed t
he
Pro
ject
are
a
along w
ith a
ddit
ional
adja
cent
lands.
The
Pro
ject
are
a co
nti
nued
to b
e fa
rmed
whil
e a
rest
ora
tio
n p
lan
was
bei
ng d
evel
oped
unti
l 2006 w
hen
TN
C s
igned
into
a W
etla
nd
Res
erve
Pro
gra
m (
WR
P)
agre
emen
t w
ith t
he
US
DA
-Nat
ura
l
Res
ourc
es C
onse
rvat
ion S
erv
ice
(NR
CS
).
In 2
007,
in c
ooper
atio
n w
ith t
he
WR
P a
gre
emen
t, T
NC
hal
ted
pum
pin
g a
nd t
he
wat
er l
evel
s beg
an t
o r
ise,
res
tori
ng f
isher
y a
nd
wet
land h
abit
at i
n t
his
bac
kw
ater
are
a.
How
ever
, re
cent
ecosy
stem
res
tora
tion
eff
ort
s at
nea
rby H
ennep
in a
nd H
opper
Lak
es w
ere
det
erm
ined
to b
e det
rim
enta
l to
the
ecosy
stem
when
they
cea
sed t
o m
anag
e w
ater
lev
els.
Dis
turb
ance
to t
he
syst
em o
ccurr
ed d
ue
to t
he
hig
h c
once
ntr
atio
n o
f co
mm
on a
nd g
rass
car
p v
arie
ties
of
fish
.
The
Nat
ure
Conse
rvan
cy h
as i
den
tifi
ed t
hat
wit
hout
a m
ore
rel
iab
le w
ay t
o m
anag
e w
ater
lev
els
at E
miq
uon, th
e ec
osy
stem
may
be
subst
anti
ally
deg
raded
over
tim
e.
De
sig
n C
on
sid
era
tio
ns:
Due
to v
aryin
g r
iver
lev
els
a m
anag
ed c
onnec
tio
n w
ould
be
nec
essa
ry t
hat
all
ow
s fo
r fi
sh
pas
sage
at s
elec
ted t
imes
of
the
yea
r w
hil
e pre
ven
ting f
ish p
assa
ge
duri
ng o
ther
tim
es o
f th
e
yea
r.
For
cost
sav
ings
the
pum
p s
tati
on o
utl
et p
ipe
del
iver
s fl
ow
to t
he
outl
et a
pro
n o
f th
e w
ater
contr
ol
stru
cture
.
A s
teel
gra
te s
truct
ure
all
ow
s fo
r veh
icle
s to
dri
ve
over
the
wat
er c
ontr
ol
stru
cture
open
ing.
Furt
her
consi
der
atio
n n
eed t
o b
e giv
en t
o v
eloci
ty o
f th
e in
com
ing w
ater
thro
ugh t
he
stru
cture
and t
he
rest
ing a
rea
for
river
fis
h e
xit
ing t
he
pre
serv
e.
By J
aso
n T
. S
mith
, K
ara
N.
Mitva
lsky
(U
SA
CE
) a
nd
K.
Do
ug
las B
lod
ge
tt
(T
he
Na
ture
Co
nse
rva
ncy
)
20
07 N
ational A
gricultura
l P
rogra
m A
eri
al P
hoto
gra
ph
2
010 N
ational A
gricu
ltu
ral P
rog
ram
Aeri
al P
ho
tog
rap
h
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