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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 323527117050001 018S002W22E003S

San Diego County, California
Hydrologic Unit Code 18070304
Latitude  32°35'27.62", Longitude 117°05'00.51" NAD83
Land-surface elevation 23.98 feet above NAVD88
The depth of the well is 1,535 feet below land surface.
The depth of the hole is 1,610 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 


Sam-
pling
depth,
feet
(00003)


Temper-
ature,
water,
deg C
(00010)


Temper-
ature,
air,
deg C
(00020)


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)

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

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)


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)


Rn-222,
water,
unfltrd
pCi/L
(82303)		 Specif.
conduc-
tance,
wat unf
lab,
uS/cm @
25 degC
(90095)
2008-05-01 16:00
 PDT
 K
 WG
 USGS-WRD
 1500   24.4   2.0 2640 M  2.1 8.4 8.5 3.2 < 1.8 0.98 0.77 0.006 < 0.034 1.8 < 0.04 0.480 0.18 0.157 13.7 22.9 5.39 2.26 554 50.5 98 3.57 535 32.2 1.52 16.3 2.7 14.9 2010 47.7 11.0 80.8 20.9 56.0 0.26 500 12.1 468 2.540 0.120 1520 1440 2.07 0.995 < 0.151 0.019 0.369 2.10   39.73 0.58 -14.94 -42.20 -6.48   2630
2017-02-15 16:30
 PST
 K
 WG
 USGS
   24.7   1.2   2650 0.00001 0.0 8.2 8.5 5.3                       18.3 4.15 1.90 575 58.7 98 2.73 538 42.5 1.38 18.3 1.4 24.4 2340 35.7 9.20 73.2 13.8 37.1 R 0.13 492 13.8   0.210 0.050 1530 1480 2.08       0.419 2.03 1560 45.34   -15.39 -40.30 -6.47 720 2660
2019-08-15 15:00
 PDT
 K
 WG
  28.2     1.6 2550 M  0.5 8.7 8.4 1.8 < 1.8 0.66 1.06 < 0.001 < 0.040 1.7 < 0.040 0.247 0.08 0.081   19.0 4.58 1.81 558 55.9 98 2.81 540 40.7 1.35 18.2 < 0.30 33.5 2090 54.0 8.96 77.0 22 36.9   485         1470 1460 2.01 1.37 < 0.177 < 0.003 0.340 1.94         -41.20 -6.36   2600

Water Quality Remark Code Description
< Less than
M Presence verified but not quantified
R Radchem non-detect, below ssLc