USGS Science for a changing world

PROVISIONAL Water-Quality Data -- Subject to Revision

USGS 06307500 Tongue River at Tongue R Dam, MT

    -- Major ions
SAMPLE
DATE   TIME


Instan-
taneous
dis-
charge,
cfs
(00061)

Specif.
conduc-
tance,
wat unf
uS/cm
25 degC
(00095)



Dis-
solved
oxygen,
mg/L
(00300)

pH,
water,
unfltrd
field,
std
units
(00400)



Temper-
ature,
water,
deg C
(00010)



Calcium
water,
fltrd,
mg/L
(00915)


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


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



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



Alkalinity,
water,
fltrd,
FET lab
mg/L as CaCO3
(29801)


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


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



Silica,
water,
fltrd,
mg/L
(00955)



Sulfate
water,
fltrd,
mg/L
(00945)
Sus-
pended
sedi-
ment
concen-
tration
mg/L
(80154)
Suspnd.
sedi-
ment,
sieve
diametr
percent
<.063mm
(70331)
2007-10-17 15:00 200 581 9.5 8.4 13.5 53.0 28.3 3.30 31.4 196 3.29 .28 3.28 117 5 83
2008-03-25 17:15 284 703 13.1 8.4 4.0 71.1 38.1 3.40 41.5 249 5.82 .37 6.68 148    
2008-04-07 17:30 486 708   8.4 5.5 59.4 35.0 3.37 37.6 233 5.41 .34 6.20 151    
2008-04-22 19:00 310 670 11.3 8.6 8.0                      
2008-05-06 19:30 237 696 12.4 8.4 9.0                      

Water Quality
Remark Code
Description
< Less than the value shown.
E Estimated value


Provisional Water Quality Data for MT:
Updated: 2008-05-09 13:37
Department of the Interior, U.S. Geological Survey
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