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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 324055117064401 017S002W20F001S

San Diego County, California
Hydrologic Unit Code 18070304
Latitude  32°40'55.49", Longitude 117°06'44.57" NAD83
Land-surface elevation 12.25 feet above NAVD88
The depth of the well is 1,500 feet below land surface.
The depth of the hole is 1,501 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)

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)

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

Hard-
ness,
water,
mg/L as
CaCO3
(00900)		 Noncarb
hard-
ness,
wat flt
field,
mg/L as
CaCO3
(00904)		 Noncarb
hard-
ness,
wat flt
lab,
mg/L as
CaCO3
(00905)


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
fxd end
field,
mg/L as
CaCO3
(39036)		 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)


Site
visit
purpose
code
(50280)		 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)



Sample
purpose
code
(71999)		 Pump
or flow
period
prior
to sam-
pling,
minutes
(72004)		 Depth
to
water
level,
feet
below
LSD
(72019)
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)		 1 mL
4.5 N
H2SO4
preser-
vative
lot
number
(99156)		 2 mL
7.7 N
HNO3
preser-
vative
lot
number
(99159)		 50,000
uS/cm
KCl
conduct
stand-
ard lot
number
(99170)
0.45 um
capsule
filter
NWIS
lot
number
(99206)
2006-08-30 15:00
 PDT
 K
 WG
30.0 26.0   80020   2.2 32300 0.00009 0.3 7.0 6.9 20 < 2.2   2.26 < 0.002 < 0.060 2.1 < 0.06 0.037 < 0.04 0.012 < 0.33 6710 6600 6600 1250 867 5850 31.1 65 37.8 13000 1440 0.17 22.6 < 1.8 119 1540 7290 668 20500 < 24.0 526   113 5.93   109 8.050 0.230   24200 22600 32.9 2.91 < 0.266 < 0.007 0.364 47.7     19.46 -11.79 -23.80 -3.77 E 37000        
2008-09-19 16:30
 PDT
 K
 WG
                    6.8   E 2.4 0.14 2.24 E 0.001 E 0.036 2.4 E 0.04 0.130 0.07 0.042   6420   6310 1230 809 5250 28.6 64 33.1 13500 1680 0.15 23.4 2.0 85.4 1290 6820 630 18900 < 24.0 566   106             24400 E 22600 33.3 2.89 E 0.159 E 0.005 0.342 49.4         -24.80 -3.76 E 36700        
2011-07-05 16:30
 PDT
 K
 WG
 USGS-WRD
   25.5       2.0 35100 0.00014 1.0 6.9 7.1 30                       7300   7190 1340 957 5930 30.3 64 38.0 14000 1600 0.15 23.5 3.2 87.3 1360 7090 935 19800 < 25.5 542   108             27200 24000 36.9       0.391 48.2         -23.70 -3.75 E 35300        
2013-06-11 15:10
 PDT
 K
 WG
  31.5 26.0       35800 0.00014 0.0 6.9 6.9 26                       981 881 880 136 156 2460 34.2 83 62.8 14300 1550 < 1.00 21.9 5.4 68.0 1740 < 80.0 1120 1150 < 44.0 E 28.8 R 0.0 101   99 100       25100 E 18800 34.1       0.385 39.3             E 35800        
2015-09-14 18:00
 PDT
 K
 WG
  27.0       3.8 35300 0.00013 0.2 6.9 7.1 26                       7900   7790 1470 1020 6630 32.5 65 39.1 12100 1350 < 1.50 28.3 2.1 91.6 1830 8760 808 22500 < 60.0 342   102             24500 22800 33.3       0.323 41.9         -25.00 -3.78 E 36400        
2017-02-02 15:00
 PST
 K
 WG
  29.7     6.0   38600 0.00012 0.2 6.9 7.5 21                       7020 6920 6920 1270 927 6160 32.1 66 36.8 13100 1480 < 1.50 26.3 < 2.5 96.4 1670 8170 739 20900 < 150 355 0.21 101 8.55   95 6.790 0.070   24600 23100 33.5       0.421 45.0   290 28.06 -12.28 -25.90 -3.80 E 36200        
2019-08-08 18:00
 PDT
 K
 WG
 USGS-WRD
   31.5         36600 0.00012 0.0 6.9 7.3 24 < 2.6 0.17 2.37 0.001 < 0.039 2.5 < 0.040 0.021 < 0.02 0.007 0.88 7490   7400 1380 975 6520 32.8 65 37.2 13700 1530 < 0.50 26.2 < 4.0 103 1680 8370 685 21700 < 120 295   98.9           2004 26000 24300 35.3 3.05 < 0.172 0.004 0.324 45.5 10.00       -25.30 -3.70 36700 40286 40271 30768 10062

Water Quality Remark Code Description
< Less than
E Estimated
R Radchem non-detect, below ssLc