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Water Quality Samples for California

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To view additional data-quality attributes, output the results using these options: one result per row, expanded attributes.
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USGS 11092450 LOS ANGELES R A SEPULVEDA DAM CA

Los Angeles County, California
Hydrologic Unit Code 18070105
Latitude  34°09'42", Longitude 118°27'57" NAD27
Drainage area 158  square miles
Gage datum 663.00 feet above NGVD29
Output formats
Parameter Group Period of Record table
Inventory of available water-quality data for printing
Inventory of water-quality data with retrieval
Tab-separated data, one result per row
Tab-separated data one sample per row with remark codes combined with values
Tab-separated data one sample per row with tab-delimiter for remark codes
Reselect output format
Sample
Datetime
Time
datum
 
Time
datum
reliability
code
 
Sample
Medium
Code
 
Agency
Collecting
Sample,
Code
 




Stream
width,
feet
(00004)



Temper-
ature,
water,
deg C
(00010)



Temper-
ature,
air,
deg C
(00020)


Baro-
metric
pres-
sure,
mm Hg
(00025)




Cloud
cover,
percent
(00032)




Weather
WMO
code
(00041)

Number
of
sam-
pling
points,
count
(00063)
Specif-
ic
conduc-
tance,
wat unf
uS/cm @
25 degC
(00095)
Hydro-
gen
ion,
water,
unfltrd
calcd,
mg/L
(00191)



Dis-
solved
oxygen,
mg/L
(00300)

Dis-
solved
oxygen,
percent
of sat-
uration
(00301)

pH,
water,
unfltrd
field,
std
units
(00400)


Carbon
dioxide
water,
unfltrd
mg/L
(00405)
Carbon-
ate,
wat flt
infl pt
titr.,
field,
mg/L
(00452)
Bicar-
bonate,
wat flt
infl pt
titr.,
field,
mg/L
(00453)

Total
nitro-
gen,
water,
fltrd,
mg/L
(00602)

Organic
nitro-
gen,
water,
fltrd,
mg/L
(00607)


Ammonia
water,
fltrd,
mg/L
as N
(00608)


Nitrite
water,
fltrd,
mg/L
as N
(00613)


Nitrate
water,
fltrd,
mg/L
as N
(00618)
Ammonia
+
org-N,
water,
fltrd,
mg/L
as N
(00623)
Nitrate
+
nitrite
water,
fltrd,
mg/L
as N
(00631)

Ortho-
phos-
phate,
water,
fltrd,
mg/L
(00660)

Phos-
phorus,
water,
fltrd,
mg/L
as P
(00666)
Ortho-
phos-
phate,
water,
fltrd,
mg/L
as P
(00671)


Organic
carbon,
water,
unfltrd
mg/L
(00680)


Organic
carbon,
water,
fltrd,
mg/L
(00681)


Oil and
grease
sever-
ity,
code
(01300)

Deter-
gent
suds
sever-
ity,
code
(01305)

Float-
ing
garbage
sever-
ity,
code
(01320)
Float-
ing
algae
mats
sever-
ity,
code
(01325)

Odor,
atmos-
pheric,
sever-
ity,
code
(01330)


Dead
fish,
sever-
ity,
code
(01340)

Float-
ing
debris
sever-
ity,
code
(01345)


Turbid
ity
sever-
ity,
code
(01350)
Alka-
linity,
wat flt
inf tit
field,
mg/L as
CaCO3
(39086)
Turbdty
white
light,
det ang
90+/-30
corrctd
NTRU
(63676)



Ammonia
water,
fltrd,
mg/L
(71846)



Nitrate
water,
fltrd,
mg/L
(71851)


Nitrite
water,
fltrd,
mg/L
as NO2
(71856)




Sample
purpose
code
(71999)


Sampler
nozzle
mater-
ial,
code
(72219)



Sam-
pling
method,
code
(82398)

Bottle
or bag
sampler
mater-
ial,
code
(84182)

0.45 um
capsule
filter
NWIS
lot
number
(99206)
2021-03-02 11:30
PST
K
WS
USGS-WRD
45.0 21.4 22.8 761 0.0 0.0 12 908 0.00001 10.3 116 8.0 3.3 2.7 212 6.4 1.4 1.18 0.188 3.63 2.5 3.82 0.152 0.10 0.050 13.3 10.3 0.0 1 1 1 2 0.0 0.0 1 179 640 1.52 16.1 0.619 10.00 2 10 3 10067