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National Water Quality Assessment (NAWQA) Program
Dataset Summary
| Agency: | Department of the Interior |
| Sub-Agency: | US Geological Survey |
| Category: | Geography and Environment |
| Date Released: | 4/1/2000 |
| Date Updated: | Data is current ( daily updated) |
| Time Period: | primarily 1991 to present day. Some older data back to 1895 |
| Frequency: | varies - from one-time collection to daily depending on purpose and collection site. |
| Description: | National scope of NAWQA water-quality sample- and laboratory-result data and other supporting information obtained from NWIS systems hosted by individual Water Science Centers as well as national BioTDB system for aquatic biological data on communities and habitats and stored in a centralized NAWQA Data Warehouse (DWH) |
Dataset Information
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Data.gov Data Category Type
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Raw Data Catalog
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| Specialized Data Category Designation | Surveillance |
| Keywords | water quality data, water resources, water data, ground water, groundwater, surface water, water quality, water chemistry, streamflow, water level, |
| Unique ID | 95 |
Contributing Agency Information
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Citation
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National Water Quality Assessment (NAWQA) Program http://water.usgs.gov/nawqa/data
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| Agency Program Page | National Water Quality Assessment (NAWQA) Program http://water.usgs.gov/nawqa/data |
| Agency Data Series Page | http://infotrek.er.usgs.gov/traverse/f?p=NAWQA:HOME:0 |
Dataset Coverage
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Unit of Analysis
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measurements, observations and analyses from ground- and surface-water bodies
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| Granularity | coordinate: latitude, longitude and depth below land surface in some cases like ground water or lakes. |
| Geographic Coverage | United States |
Data Description
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Collection Mode
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person/paper, person/computer, phone/paper, phone/computer, web
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| Data Collection Instrument | multiple (http://pubs.usgs.gov/twri/) |
| Data Dictionary/Variable List | http://infotrek.er.usgs.gov/traverse/f?p=136:16:0::NO::: |
Additional Dataset Documentation
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Technical Documentation
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| Additional Metadata | http://water.usgs.gov/nawqa/bib/ |
OMB Control No. 3090-0284
