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Tulsona C NR Gakona AK - 15199300

Important Inventory Page
No graph available - there are no continuous, daily, or field measurement data types available for this location.

Available data

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Continuous data

0 data types available

Daily data

0 data types available

Field measurements

0 data types available

Discrete sample data

31 Observed properties (data types) available - with data from 1951-08-29 to 1982-07-28
7 Sampling activities
Discrete sample data are derived from manual field collection and laboratory analysis of physically collected samples collected during a visit to the monitoring location.

The table below summarizes the discrete field and laboratory sample results that have been collected at this monitoring location. The sample results can be downloaded from the Download Discrete Sample Data  page or by clicking the observed property link in each row of the table. The sample data are now identified by observed property, replacing the parameter and pcode USGS has used for many years. Additional information and explanation is provided in the Observed Properties and Parameter Codes section of the Code Dictionary tools .

The summary of sample data table is produced with the summary service API

Select column to filter:
Available sample data
Characteristic group Observed property Total number of results Total number of activities Start date End date
InformationAgency analyzing sample221982-03-301982-07-28
Inorganics, Major, MetalsCalcium, water, filtered551951-08-291956-05-10
Inorganics, Major, MetalsMagnesium, water, filtered551951-08-291956-05-10
Inorganics, Major, MetalsPotassium, water, filtered441953-05-141956-05-10
Inorganics, Major, MetalsSodium, water, filtered441953-05-141956-05-10
Inorganics, Major, MetalsSodium adsorption ratio (SAR), water441953-05-141956-05-10
Inorganics, Major, MetalsSodium plus potassium as sodium, water, filtered111951-08-291951-08-29
Inorganics, Major, MetalsSodium fraction of cations, water441953-05-141956-05-10
Inorganics, Major, Non-metalsHydrogen ion, water, unfiltered, calculated551951-08-291956-05-10
Inorganics, Major, Non-metalsAcid neutralizing capacity (ANC) as calcium carbonate, water, unfiltered, fixed endpoint (EP) (pH 4.5) titration, field551951-08-291956-05-10
Inorganics, Major, Non-metalsBicarbonate as bicarbonate, water, unfiltered, fixed endpoint (EP) (pH 4.5) titration, field551951-08-291956-05-10
Inorganics, Major, Non-metalsCarbon dioxide, water, unfiltered551951-08-291956-05-10
Inorganics, Major, Non-metalsCarbonate as carbonate, water, unfiltered, fixed endpoint (EP) (pH 8.3) titration, field551951-08-291956-05-10
Inorganics, Major, Non-metalsChloride, water, filtered551951-08-291956-05-10
Inorganics, Major, Non-metalsFluoride, water, filtered221951-08-291953-07-27
Inorganics, Major, Non-metalsSilica as silicon dioxide, water, filtered441951-08-291955-09-21
Site Location
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  • Map markerMonitoring Location
  • Active Monitoring Locations
3 km
2 mi
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.