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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 324116117050802 017S002W16Q010S

San Diego County, California
Hydrologic Unit Code 18070304
Latitude  32°41'16.06", Longitude 117°05'08.15" NAD83
Land-surface elevation 109.21 feet above NAVD88
The depth of the well is 960 feet below land surface.
The depth of the hole is 1,320 feet below land surface.
This well is completed in the California Coastal Basin aquifers (N100CACSTL) 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)

Agency
ana-
lyzing
sample,
code
(00028)


Flow
rate of
well,
gal/min
(00058)

Flow
rate,
instan-
taneous
gal/min
(00059)		 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)
pH,
water,
unfltrd
field,
std
units
(00400)
pH,
water,
unfltrd
lab,
std
units
(00403)

Carbon
dioxide
water,
unfltrd
mg/L
(00405)
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)

Hard-
ness,
water,
mg/L as
CaCO3
(00900)


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)

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)


Arsenic
water,
fltrd,
ug/L
(01000)


Barium,
water,
fltrd,
ug/L
(01005)


Boron,
water,
fltrd,
ug/L
(01020)

Chrom-
ium,
water,
fltrd,
ug/L
(01030)


Iron,
water,
fltrd,
ug/L
(01046)

Manga-
nese,
water,
fltrd,
ug/L
(01056)

Stron-
tium,
water,
fltrd,
ug/L
(01080)

Alum-
inum,
water,
fltrd,
ug/L
(01106)


Lithium
water,
fltrd,
ug/L
(01130)


Tritium
water,
unfltrd
pCi/L
(07000)		 Alka-
linity,
wat flt
fxd end
lab,
mg/L as
CaCO3
(29801)		 Depth
to
water
level
below
LSD,
meters
(30210)		 Alka-
linity,
wat flt
inf tit
field,
mg/L as
CaCO3
(39086)

C-14,
water,
fltrd,
percent
modern
(49933)		 C-14
countng
error,
water,
fltrd,
percent
modern
(49934)		 Dis-
solved
solids
dried @
180degC
wat flt
mg/L
(70300)		 Dis-
solved
solids,
sum of
consti-
tuents,
mg/L
(70301)
Dis-
solved
solids,
water,
tons/
acre-ft
(70303)


Ammonia
water,
fltrd,
mg/L
(71846)


Nitrate
water,
fltrd,
mg/L
(71851)

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


Iodide
water,
fltrd,
mg/L
(71865)


Bromide
water,
fltrd,
mg/L
(71870)		 Pump
or flow
period
prior
to sam-
pling,
minutes
(72004)		 Depth
to
water
level,
feet
below
LSD
(72019)

Tritium
2-sigma
water,
unfltrd
pCi/L
(75985)
delta
C-13 /
C-12,
water,
unfltrd
per mil
(82081)

delta
H-2/H-1
water,
unfltrd
per mil
(82082)
delta
O-18 /
O-16,
water,
unfltrd
per mil
(82085)		 Specif.
conduc-
tance,
wat unf
lab,
uS/cm @
25 degC
(90095)
2003-09-12 13:00
 PDT
 K
 WG
 USGS-WRD
 26.0 80020 1.9   2030 M  0.9 8.6   1.0 < 0.32 0.05 0.20 < 0.008 < 0.060 0.26 < 0.06 3.66 1.51 1.20 70.7 14.1 8.65 375 19.4 92 3.79 463 71.3   14.4 1.0 9.9 705 < 0.8 15.1 35.6       0.10   37.9 210 12.37 0.180 1100 1080 1.50 0.261 < 0.266 < 0.026 0.347 1.49 220 124.50 0.58 -14.01 -42.20 -6.30 1920
2008-09-12 14:40
 PDT
 K
 WG
                8.3   < 0.34 0.04 0.27 < 0.002 < 0.040 0.30 < 0.04 0.479 0.16 0.156 72.6 15.2 8.35 385 19.7 92 2.35 487 86.1 0.62 15.1 0.57 17.5 759   27.7 25.3 276 5.8 23.4   193         1160 1120 1.57 0.342 < 0.177 < 0.007 0.394 1.72         -42.40 -6.30 2090
2015-09-02 13:40
 PDT
 K
 WG
27.6     1.7 2100 0.00001 0.8 8.0 8.3 3.9                     68.6 13.6 8.33 331 17.4 91 2.10 489 78.5 0.58 15.5 0.44 13.8 854   29.1 16.8 247 51.1 11.3   192 40.6       1160 1060 1.58       0.314 1.62   133.11     -42.10 -6.36 2100
2018-08-29 12:30
 PDT
 K
 WG
27.9     2.0 2130 0.00001 0.0 8.2                                                                                                          

Water Quality Remark Code Description
< Less than
M Presence verified but not quantified