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Water Quality Samples for Virginia

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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 01654000 ACCOTINK CREEK NEAR ANNANDALE, VA

Fairfax County, Virginia
Hydrologic Unit Code 02070010
Latitude  38°48'46", Longitude  77°13'43" NAD27
Drainage area 23.9  square miles
Gage datum 190.6 feet above NAVD88
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)



Temper-
ature,
air,
deg C
(00020)


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


Agency
ana-
lyzing
sample,
code
(00028)


Instan-
taneous
dis-
charge,
ft3/s
(00061)




Gage
height,
feet
(00065)
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)

pH,
water,
unfltrd
lab,
std
units
(00403)


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

Total
nitro-
gen,
water,
unfltrd
mg/L
(00600)

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

Organic
nitro-
gen,
water,
unfltrd
mg/L
(00605)

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)
Ammonia
+
org-N,
water,
unfltrd
mg/L
as N
(00625)
Nitrate
+
nitrite
water,
fltrd,
mg/L
as N
(00631)

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

Phos-
phorus,
water,
unfltrd
mg/L
as P
(00665)

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)
Noncarb
hard-
ness,
wat flt
field,
mg/L as
CaCO3
(00904)



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)



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


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


Propa-
chlor,
water,
fltrd,
ug/L
(04024)


Butyl-
ate,
water,
fltrd,
ug/L
(04028)


Sima-
zine,
water,
fltrd,
ug/L
(04035)


Prome-
ton,
water,
fltrd,
ug/L
(04037)



CIAT,
water,
fltrd,
ug/L
(04040)


Cyana-
zine,
water,
fltrd,
ug/L
(04041)



Fonofos
water,
fltrd,
ug/L
(04095)


Gage
height
above
datum
meters
(30207)


Dis-
charge,
instan-
taneous
m3/s
(30209)


alpha-
HCH,
water,
fltrd,
ug/L
(34253)


p,p'-
DDE,
water,
fltrd,
ug/L
(34653)


Chlor-
pyrifos
water,
fltrd,
ug/L
(38933)
Alka-
linity,
wat flt
inf tit
field,
mg/L as
CaCO3
(39086)



Lindane
water,
fltrd,
ug/L
(39341)


Diel-
drin,
water,
fltrd,
ug/L
(39381)


Metola-
chlor,
water,
fltrd,
ug/L
(39415)


Mala-
thion,
water,
fltrd,
ug/L
(39532)


Para-
thion,
water,
fltrd,
ug/L
(39542)


Diazi-
non,
water,
fltrd,
ug/L
(39572)


Atra-
zine,
water,
fltrd,
ug/L
(39632)


Ala-
chlor,
water,
fltrd,
ug/L
(46342)
Dis-
solved
solids
dried @
180degC
wat flt
mg/L
(70300)
Dis-
solved
solids,
sum of
consti-
tuents,
mg/L
(70301)


Dis-
solved
solids,
water,
ton/d
(70302)

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)


Metri-
buzin,
water,
fltrd,
ug/L
(82630)
2,6-Di-
ethyl-
aniline
water,
fltrd
0.7u GF
ug/L
(82660)
Tri-
flur-
alin,
water,
fltrd
0.7u GF
ug/L
(82661)
Ethal-
flur-
alin,
water,
fltrd
0.7u GF
ug/L
(82663)


Phorate
water,
fltrd
0.7u GF
ug/L
(82664)

Terba-
cil,
water,
fltrd
0.7u GF
ug/L
(82665)


Linuron
water,
fltrd
0.7u GF
ug/L
(82666)
Methyl
para-
thion,
water,
fltrd
0.7u GF
ug/L
(82667)


EPTC,
water,
fltrd
0.7u GF
ug/L
(82668)

Peb-
ulate,
water,
fltrd
0.7u GF
ug/L
(82669)

Tebu-
thiuron
water,
fltrd
0.7u GF
ug/L
(82670)

Moli-
nate,
water,
fltrd
0.7u GF
ug/L
(82671)

Etho-
prop,
water,
fltrd
0.7u GF
ug/L
(82672)
Ben-
flur-
alin,
water,
fltrd
0.7u GF
ug/L
(82673)

Carbo-
furan,
water,
fltrd
0.7u GF
ug/L
(82674)

Terbu-
fos,
water,
fltrd
0.7u GF
ug/L
(82675)

Propy-
zamide,
water,
fltrd
0.7u GF
ug/L
(82676)

Disul-
foton,
water,
fltrd
0.7u GF
ug/L
(82677)

Tri-
allate,
water,
fltrd
0.7u GF
ug/L
(82678)

Pro-
panil,
water,
fltrd
0.7u GF
ug/L
(82679)

Car-
baryl,
water,
fltrd
0.7u GF
ug/L
(82680)

Thio-
bencarb
water,
fltrd
0.7u GF
ug/L
(82681)


DCPA,
water,
fltrd
0.7u GF
ug/L
(82682)
Pendi-
meth-
alin,
water,
fltrd
0.7u GF
ug/L
(82683)

Naprop-
amide,
water,
fltrd
0.7u GF
ug/L
(82684)

Propar-
gite,
water,
fltrd
0.7u GF
ug/L
(82685)
Azin-
phos-
methyl,
water,
fltrd
0.7u GF
ug/L
(82686)
cis-
Per-
methrin
water
fltrd
0.7u GF
ug/L
(82687)
Specif.
conduc-
tance,
wat unf
lab,
uS/cm @
25 degC
(90095)
ANC,
wat unf
fixed
end pt,
lab,
mg/L as
CaCO3
(90410)
Diazi-
non-d10
surrog.
wat flt
0.7u GF
percent
recovry
(91063)
Ter-
buthyl-
azine,
surrog,
wat flt
0.7u GF
% recvy
(91064)
alpha-
HCH-d6,
surrog,
wat flt
0.7u GF
percent
recovry
(91065)


Set
number,
Sched-
ule
1331
(99807)

Sample
volume,
Sched-
ule
2001,
mL
(99856)
1994-08-23 07:45
EDT
T
WS
USGS-WRD
19.5 20.5 762 80020 13 1.92 142 0.00020 8.2 89 6.7 7.0 12 37 1.1 0.98 0.35 0.25 0.050 0.010 0.670 0.30 0.40 0.680 0.061 0.06 0.03 0.02 40.2 10 11.0 3.10 9.80 0.67 33 3.00 16.0 8.00 0.10 10.0 320 79.0 < 0.015 < 0.0080 0.016 0.076 < 0.005 < 0.013 0.0210 0.59 0.37 < 0.0070 < 0.010 0.0140 30 < 0.0110 < 0.008 0.010 < 0.014 < 0.022 0.6100 < 0.017 < 0.009 98 83 3.44 0.13 0.064 2.97 0.033 < 0.012 < 0.0060 < 0.012 < 0.013 < 0.011 < 0.030 < 0.039 < 0.035 < 0.0050 < 0.0090 < 0.015 < 0.0070 < 0.012 < 0.013 < 0.013 < 0.012 < 0.0090 < 0.060 < 0.0080 < 0.016 0.190 < 0.008 < 0.0040 < 0.018 < 0.010 < 0.008 < 0.050 < 0.016 143 32.0 167 120 95.0 < 0.00 925

Water Quality Remark Code Description
< Less than