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Category: water-information

A tool to aid in the transition from the legacy NWIS discrete data format to the WQX format

This blog describes a mapping file available to users to ease the transition to the WQX version 3.0 format. The spreadsheet provides high-level mapping of data fields in the legacy NWIS format to WQX fields.

Improved Public Delivery of Water Quality and Field Samples Data

USGS is improving the way that sample data are stored and served to the public. These changes will affect our back-end data management systems, web services, application programming interfaces (APIs), computational tools, and user interfaces for accessing data.

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