la cañada- la cañada- flintridge jet propulsion jet ... · la cañada-flintridge la cañada-san...
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Jet PropulsionLaboratory
Jet PropulsionLaboratory
Jet Propulsion Laboratory
La Cañada-Flintridge
La Cañada-Flintridge
La Cañada-Flintridge
San GabrielMountains
San GabrielMountains
San Gabriel Mountains
Arr
oyo
Sec
o
Arr
oyo
Sec
o
AltadenaAltadena
PasadenaPasadena
Scale in Miles
0 0.5 1
N
Site Location Map
JET PROPULSION LABORATORY – PASADENA, CA
JPL_LOC01.CDRG469132-T6
SOURCE: USGS Pasadena 7½-Minute Quad, 1995.
09/03
Figure 1-1.
FIG
UR
E 1
-2
GGrroouunnddwwaatteerr FF llooww
GGrr oo
uunn
dw
dw
aatt ee
rr
FFll o
wo
w
AB D' MW-16MW-16C JPL FJPL FAACILITY BOUNDCILITY BOUNDAARRYY
LCID 6LCID 6 MW-7MW-7 MW-24MW-24
MW-22MW-22LCID 1LCID 1 MW-6MW-6MW-14MW-14 AArroyrroyoo
D Well52Well52
LALAWWCC 33
VWC 3VWC 3 VenturaVentura LALAWWCC 55 VWC 2VWC 2 MW-21MW-21 WindsWindsoror VWC 4VWC 4 1-MILE1-MILE
VWC 1VWC 1 MW-19MW-19 MW-20MW-20 RCLWRCLWAA 44
RCLWRCLWAA 77 Los FlLos Flores Well Companyores Well Company No. 2No. 2
AtAt llaannttaa
B' C'
SheldonSheldon
2-MILES2-MILES
3-MILES3-MILES
CopelinCopelin
SunsetSunset
BanghamBangham
N
GarfieldGarfield
VillaVilla
A'
0
Scale (Miles)
0.5 1
Sunset RSunset Resereservvooir Wellir Well
WiWindsorndsor ReserReservvoir Welloir Well
Other PWP WellOther PWP Well
Other Water PurvOther Water Purveyor Welleyor Well
NNAASSAA-JPL Monitorin-JPL Monitoring Welg Wel ll
Figure 2-1. Well Location Map
1935
1955
1945
1965
Sa
nit
ary
Se
we
r
Insta
llati
on
s
1956 t
o 1
961
1936
Sta
rt o
f je
t pro
puls
ion
rese
arc
h a
ctivitie
s b
y
Ca
lTe
ch
Ju
ly 1
, 1939
Co
ntr
act w
ith
Na
tio
na
l
Academ
y o
f S
cie
nce;
Late
r sponsore
d b
y
Arm
y A
ir C
orp
s;
Experim
enta
l w
ork
carr
ied o
ut both
on
Ca
lTe
ch
ca
mp
us a
nd
in
the A
rroyo S
eco
.
1940
Six
acre
s o
f la
nd
leased f
rom
City
of P
asadena a
nd
fun
din
g fo
r firs
t p
erm
an
en
t str
uc
ture
s a
t site
.
1942
Use o
f
pe
rch
lora
te fir
st
pro
posed b
y
Pars
ons
1945/1
946
JP
L u
nder
jurisdic
tion o
f A
rmy; 40 a
cre
s
of
lan
d le
ase
d
from
City t
o
expand s
ite;
Explo
rer
road
wa
s p
ave
d a
nd
severa
l la
bor-
ato
ry a
nd
te
st
bu
ildin
gs w
ere
constr
ucte
d.
1946
Letter
5/2
7/4
6
from
Ca
lTe
ch
to
C
ity o
f P
asadena.
Reply
to r
equest
for
info
rmation o
n
the n
atu
re a
nd
am
ount
of
chem
icals
at
site.
Num
ber
of
se
ep
ag
e p
its
continues to g
row
based o
n
maps/d
raw
ings
of m
id-4
0s.
1948
Letter
10/1
/48
from
Pasadena
Wate
r D
epart
-m
en
t re
questing
mo
re in
form
atio
n
on n
atu
re a
nd
qu
an
tity
of
wa
ste
s d
isp
ose
d
at JP
L a
nd o
n
the n
um
ber
of
ce
ssp
oo
ls. 1954
Corr
espondence
betw
een J
PL
and C
ity r
egard
-
ing
en
d o
f o
pe
n
fire
s a
t site a
nd
futu
re p
lans to
use C
ity
incin
era
tor.
1957/1
958
Tra
nsitio
n a
way
fro
m u
se
of
ca
rbo
n
tetr
achlo
ride p
er
Dr.
Ed J
ones.
Als
o
docum
ente
d
industr
y p
ractice.
12/3
/1958
Pro
pert
y
tra
nsfe
rre
d fro
m
DoD
to N
AS
A
per
Executive
Ord
er 10793.
1961
Co
rre
sp
on
de
nc
e b
etw
een C
ity
and J
PL a
bout
contr
ol of
sto
rm
sew
er
dis
charg
es a
nd
“polic
ing” of
“old
cesspools
”
1963
La
rge-s
ca
le
rocke
t re
se
arc
h
mo
ve
d to
E
dw
ard
s A
ir
Fo
rce
Ba
se
.
1964-1
965
Sm
all-
sca
le
rocke
t re
se
arc
h
continues.
On
-Sit
e I
nc
ine
rato
r fo
r
Pro
pe
lla
nts
19
60
s
(Ma
yb
e m
id 1
95
0s
)
Se
ep
ag
e P
its
/Ce
ss
po
ols
19
40
to
19
60
Fig
ure
2-2
. JP
L E
arl
y S
ite
Ch
ron
olo
gy
FIG
UR
E 2
-3
N
Fig
ure
2-4
. G
rou
nd
wa
ter
Ele
va
tio
n C
on
tou
r M
ap
fo
r J
an
ua
ry 1
99
8
N
Fig
ure
2-5
. G
rou
nd
wa
ter
Ele
va
tio
n C
on
tou
r M
ap
fo
r J
an
ua
ry 2
00
2
= Type 1
= Type 2
X = Type 3
C = Colorado River
Type 2
Type 3
Type 1
Figure 2-6. Piper Diagram Showing Classification of Water Quality Types
(a)
(b)
Figure 2-7. Map Showing Groundwater Quality in January 1998 in (a) Plan View
and (b) 3-D View
(a)
(b)
Figure 2-8. Map Showing Groundwater Quality in January 2001 in (a) Plan View
and (b) 3-D View