| 92/additional metadata | http://wdr.water.usgs.gov/current/documentation.html and http://water.usgs.gov/a-z/ |
| 92/agency data series page | http://water.usgs.gov/data/ + |
| 92/applicable agency information quality guideline designation | USGS |
| 92/category | Geography and Environment + |
| 92/citation | National Water Information System Web, http://waterdata.usgs.gov/nwis/ |
| 92/collection mode | multiple |
| 92/csv txt access point | http://waterdata.usgs.gov/nwis/ + |
| 92/csv txt file size | varies + |
| 92/data collection instrument | multiple (http://pubs.usgs.gov/twri/) |
| 92/data dictionary variable list | http://waterdata.usgs.gov/nwis/help |
| 92/data gov data category type | Raw Data Catalog + |
| 92/data quality certification | Yes + |
| 92/frequency | varies - from one-time collection to every 15 minutes depending on purpose and collection site |
| 92/geographic coverage | United States and Territories + |
| 92/granularity | coordinate: latitude, longitude and depth below land surface in some cases like ground water or lakes. |
| 92/keywords | water resources, water data, ground water, groundwater, surface water, water quality, water chemistry, real-time water data, streamflow, water level, NWIS |
| 92/privacy and confidentiality | Yes |
| 92/specialized data category designation | Surveillance + |
| 92/technical documentation | http://waterdata.usgs.gov/nwis/help |
| 92/time period | 1861 to present day |
| 92/unit of analysis | measurements, observations and analyses from ground- and surface-water bodies |
| Dc:description | NWIS supports the acquisition, processing, … NWIS supports the acquisition, processing, storage and dissemination of information about water quantity and quality collected at over 1.5 million sites around the U.S. As a long-term database and information delivery system, NWIS provides continual access to data collected over the last 100+ years, as well as real-time data on streamflow, etc. well as real-time data on streamflow, etc. |
| Dc:identifier | 96 + |
| Dc:publisher | Department of the Interior + |
| Dc:relation | URLSHA1/6963097148e31a9c84192a3b93dc66fa8b4ac7c6 + |
| Dc:source | http://data-gov.tw.rpi.edu/raw/92/data-92.rdf#entry00085 + |
| Dc:type | DATA-GOV-DATA + |
| Dcterms:created | 7/1/2001 |
| Dcterms:modified | Data is continuously updated - contains near real-time data |
| Foaf:homepage | http://www.data.gov/details/96 + |
| Foaf:name | National Water Information System (NWIS) |
| Rdfs:seeAlso | http://data-gov.tw.rpi.edu/raw/96/index.rdf + |
