USGS 14182500 LITTLE NORTH SANTIAM RIVER NEAR MEHAMA, OR

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text

Station operated in cooperation with the U.S. Army Corps of Engineers.

NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Advanced Hydrologic Prediction Services web page.

NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.
Boating safety tips
Available Parameters Available Period
  
2007-10-01  2025-09-01
1988-10-01  2025-09-01
2007-10-01  2025-09-01
2007-10-01  2025-09-01
2009-01-17  2025-09-01
2007-10-01  2025-09-01
2022-08-31  2025-09-01
2024-08-22  2025-09-01
2022-08-31  2025-07-14
2022-08-31  2024-08-22
2024-08-22  2025-09-01
2007-10-01  2015-12-06
2021-06-30  2025-09-01







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
Most recent instantaneous value: 21.1 09-01-2025   04:00 PDT
Graph of Temperature, water, degrees Celsius

Add up to 2 more sites and replot for "Temperature, water, degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Discharge, cubic feet per second
Most recent instantaneous value: 54.6 09-01-2025   04:50 PDT
Graph of Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for Sep 1 based on 93 water years of record more
Min
(1992)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Sep 1		 75th
percen-
tile		 Mean Max
(1971)
15.0 31 39 54.6 55 73 840

Gage height, feet
Most recent instantaneous value: 2.57 09-01-2025   04:50 PDT
Graph of Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 53 09-01-2025   04:00 PDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Add up to 2 more sites and replot for "Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 8.0 09-01-2025   04:00 PDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

Add up to 2 more sites and replot for "Dissolved oxygen, water, unfiltered, milligrams per liter"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.6 09-01-2025   04:00 PDT
Graph of pH, water, unfiltered, field, standard units

Add up to 2 more sites and replot for "pH, water, unfiltered, field, standard units"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)
Most recent instantaneous value: 6.24 09-01-2025   04:00 PDT
Graph of Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)

Add up to 2 more sites and replot for "Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.11 09-01-2025   04:00 PDT
Graph of Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)

Add up to 2 more sites and replot for "Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll
 
-- Data temporarily unavailable for the time period specified --

Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin
 
-- Data temporarily unavailable for the time period specified --

Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
Most recent instantaneous value: 0.07 09-01-2025   04:00 PDT
Graph of Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)

Add up to 2 more sites and replot for "Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
Most recent instantaneous value: 0.5 09-01-2025   04:00 PDT
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

Add up to 2 more sites and replot for "Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [(2)]
 
-- Data temporarily unavailable for the time period specified --