| Dataset Type | Monitoring/Sampling Data |
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| Name of Data Source | USGS National Water Information System |
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| Number of Waterbodies Sampled | Not Available |
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| Datasource Abbreviation (dataset) | USGS_NWIS |
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| Description of Datasource | As part of the Survey's program of disseminating water data to the public, the Water Resources Division (WRD) maintains a distributed network of computers and fileservers for the storage and retrieval of water data collected through its activities at approximately 1.4 million sites. This system is called the National Water Information System (NWIS). |
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| Method of Transferring Data to the Atlas | Automated transfer via HTTP |
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| How Often Data is Transferred to the Atlas | Daily |
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| Date of Most Recent Data Transfer | 10/13/2024 5:05:27 AM |
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| Period of Record Within the Atlas | 10/25/1907 - 10/13/2024 4:00:00 AM |
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| Disclaimer/Use Constraints | None |
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