USGS Science for a changing world

PROVISIONAL Water-Quality Data -- Subject to Revision

USGS 06307740 Otter Creek at Ashland, 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)
2007-10-16 10:00 .08 2510 8.4 8.6 8.0 71.0 137 20.9 366 559 11.7 .86 8.51 903 106 61
2008-03-24 10:30 2.9 2750 16.4 8.8 3.0 79.0 151 16.0 394 440 11.7 .73 5.80 1190    
2008-04-22 13:15 1.8 3310 10.3 8.6 11.0                      

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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