USGS 381142122015801 FIRST MALLARD BRANCH NR FAIRFIELD CA

PROVISIONAL DATA SUBJECT TO REVISION

Available Parameters Available Period
  
2017-08-23  2025-07-12
2025-03-19  2025-06-18
2017-07-18  2025-07-12
2017-07-18  2025-07-12
2017-08-23  2025-07-12
2025-03-19  2025-06-18
2017-08-23  2025-07-12
2022-07-13  2025-07-12
2017-08-23  2025-07-12
2022-07-13  2025-07-12
2022-07-13  2025-07-12
2024-12-23  2025-06-18
2024-12-23  2025-06-18
2022-07-13  2025-07-12
2024-12-23  2025-01-21
2017-08-23  2025-07-12
2024-12-23  2025-06-18
2017-07-20  2018-09-25
2017-07-18  2025-07-12
2022-07-14  2025-07-12







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius, BGC PROJECT
Most recent instantaneous value: 22.3 07-12-2025   20:15 PDT
Graph of Temperature, water, degrees Celsius

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Temperature, water, degrees Celsius, BOTTOM MOUNT
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 249 07-12-2025   20:15 PDT
Graph of Discharge, cubic feet per second

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Gage height, feet
Most recent instantaneous value: 27.29 07-12-2025   20:15 PDT
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, BGC PROJECT
Most recent instantaneous value: 7090 07-12-2025   20:15 PDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, BOTTOM MOUNT
 
-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter, BGC PROJECT
Most recent instantaneous value: 7.5 07-12-2025   20:15 PDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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Dissolved oxygen, water, unfiltered, percent of saturation, BGC PROJECT, [BGC PROJECT]
Most recent instantaneous value: 88 07-12-2025   20:15 PDT
Graph of Dissolved oxygen, water, unfiltered, percent of saturation, [BGC PROJECT]

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pH, water, unfiltered, field, standard units, BGC PROJECT
Most recent instantaneous value: 7.6 07-12-2025   20:15 PDT
Graph of pH, water, unfiltered, field, standard units

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Salinity, water, unfiltered, parts per thousand, BGC PROJECT
Most recent instantaneous value: 3.9 07-12-2025   20:15 PDT
Graph of Salinity, water, unfiltered, parts per thousand

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Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE), BGC PROJECT, [(2)]
Most recent instantaneous value: 93.0 07-12-2025   20:15 PDT
Graph of Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE), [(2)]

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Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE), BOTTOM MOUNT
 
-- Data temporarily unavailable for the time period specified --

Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE), [BGC PROJECT]
 
-- Data temporarily unavailable for the time period specified --

Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll, BGC PROJECT
Most recent instantaneous value: 4.78 07-12-2025   20:15 PDT
Graph of Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll

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

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), BGC PROJECT
Most recent instantaneous value: 17.8 07-12-2025   20:15 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)

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

Discharge, tidally filtered, cubic feet per second
 
-- Data temporarily unavailable for the time period specified --

Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: 0.48 07-12-2025   20:15 PDT
Graph of Mean water velocity for discharge computation, feet per second

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Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen, BGC PROJECT
Most recent instantaneous value: 0.01 07-12-2025   20:15 PDT
Graph of Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen

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