usgs nawqa data warehouse

U.S. Department of the InteriorU.S. Geological Survey

USGS NAWQA Data Warehouse

Demonstration for Advisory Committee on Water Information

Herndon, VASept 15, 2004

Questions I’ll Try To Answer

What data are in the warehouse? How would you find out about sites? How would you find data for constituents? How would you download data? What else can our website do for you?

NAWQA Data Warehouse Contains: Data from 1991 through 9/30/2003 42 NAWQA study units (basins) across the

U.S. Chemical concentrations in water, bed

sediment, and aquatic organism tissues for about 609 chemical constituents

44,000 nutrient samples, 26,000 pesticide samples, 8,000 VOC samples

2,650 samples of bed sediment and aquatic organism tissues

NAWQA Data Warehouse Contains (continued): 6,400 surface water sites and 7,000 wells Daily streamflow data for ~500 sites Site, basin, well, and network information

with many descriptive variables 2,000 fish-community samples, 1,800

invertebrate community samples Algae community samples and instream

habitat data are coming

How To Find The NAWQA Data Warehouse URL water.usgs.gov/nawqa/data google “water quality data”

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“MAP SITES & RESULTS” option to find what’s in the DWH

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“RETRIEVE DATA” Optionsto make exportable tables

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Information about NAWQA program summary reports

Help info

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Several links to assist with: data retrievals terminology info about the NAWQA program

“MAP SITES & RESULTS” option to find what’s in the DWH

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NAWQA Sites - mercury in bed sediment

EPA Region 3, Mercury in bed sediment

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“Drill” to sites on map for all data

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“RETRIEVE DATA” Optionsto make exportable tables

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“RETRIEVE DATA” - Site Information

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Site Information Results

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Potomac at Chain Bridge, TopoZone Map

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Potomac at Chain Bridge, U.S. EPA EnviroMapper Map

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Site Information Results

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“RETRIEVE DATA” Options,Constituent Finder

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“Constituent Finder” search

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Nitr%

Following slides show “data values” and “summary of detects”

“RETRIEVE DATA” Options,Surface Water/Bed Sediment

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Surface Water/Bed Sediment,Search options

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Biological Community queries

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Bio Community queries,Options

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Bio Community queries,Options

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Bio Community queries,Values

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Contact info

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http://water.usgs.gov/nawqa/data

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