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Water Quality Samples for California

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! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.
To view additional data-quality attributes, output the results using these options: one result per row, expanded attributes.
Additional precautions are here.

USGS 330701116003501 012S009E23D001S

Imperial County, California
Hydrologic Unit Code 18100203
Latitude  33°07'01", Longitude 116°00'35" NAD27
Land-surface elevation -15 feet above NGVD29
The depth of the well is 580 feet below land surface.
This well is completed in the Basin and Range basin-fill aquifers (N100BSNRGB) national aquifer.
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 


Temper-
ature,
water,
deg C
(00010)		 Specif-
ic
conduc-
tance,
wat unf
uS/cm @
25 degC
(00095)		 Hydro-
gen
ion,
water,
unfltrd
calcd,
mg/L
(00191)
pH,
water,
unfltrd
field,
std
units
(00400)

Carbon
dioxide
water,
unfltrd
mg/L
(00405)		 ANC,
wat unf
fixed
end pt,
field,
mg/L as
CaCO3
(00410)		 Bicar-
bonate,
wat unf
fixed
end pt,
field,
mg/L
(00440)

Hard-
ness,
water,
mg/L as
CaCO3
(00900)		 Noncarb
hard-
ness,
wat unf
field,
mg/L as
CaCO3
(00902)


Calcium
water,
fltrd,
mg/L
(00915)

Magnes-
ium,
water,
fltrd,
mg/L
(00925)


Sodium,
water,
fltrd,
mg/L
(00930)


Sodium
adsorp-
tion
ratio
(00931)
Sodium
frac-
tion
of
cations
percent
(00932)		 Sodium
+ potas
sium,
water,
fltrd,
mg/L
as Na
(00933)

Potas-
sium,
water,
fltrd,
mg/L
(00935)

Chlor-
ide,
water,
fltrd,
mg/L
(00940)


Sulfate
water,
fltrd,
mg/L
(00945)

Fluor-
ide,
water,
fltrd,
mg/L
(00950)

Silica,
water,
fltrd,
mg/L as
SiO2
(00955)		 Dis-
solved
solids,
sum of
consti-
tuents,
mg/L
(70301)
Dis-
solved
solids,
water,
tons/
acre-ft
(70303)


Bromide
water,
fltrd,
mg/L
(71870)
Alti-
tude
of
land
surface
feet
(72000)
Depth
of
hole,
feet
below
LSD
(72001)		 Depth
to top
sample
intrval
feet
below
LSD
(72015)		 Depth
to bot
sample
intrval
feet
below
LSD
(72016)
1962-09-25
 PST
 T
 WG
 USGS-WRD
 30.6 2920 0.00005 7.3 6.7 69 84 530 460 162 31.0       380   628 388   19.0 1650 2.24   -15.0 628 250.00 580.00
1963-07-29
 PST
 T
 WG
 USGS-WRD
 30.6 2900 0.00003 7.5 4.3 69 84 530 460 163 31.0       410   645 425 1.30 20.0 1740 2.37   -15.0 628 250.00 580.00
1964-05-13
 PST
 T
 WG
 NON-USGS
   2600 0.00001 8.1 1.3 81 99 510 430 144 36.4 425 8.2       667 397 0.90 2.20 1720 2.34   -15.0 628 250.00 580.00
1971-10-30
 PDT
 T
 WG
 NON-USGS
 30.0   0.00003 7.5           162   280   12   9.40 650           0.3 -15.0 628 250.00 580.00