Wisconsin ground-water-level data
The USGS Wisconsin Water Science Center and its partners monitor ground-water levels in hundreds of wells in Wisconsin. We determine ground-water resources from well measurements, by flow indicators at ground-water boundaries, and through indirect methods of measurement such as surface geophysics. Ground-water-level data are collected and stored as either as continuous time-series data from automated recorders or discrete field water-level measurements.
All Wisconsin data collected by the USGS are stored and made available to the Nation through the public NWISWeb portal which provide access to water-resources data collected at approximately 1.5 million sites in all 50 States.
Annually, the USGS finalizes and publishes the daily data in a series of Annual Water-data Reports. Wisconsin also publishes a Quarterly Water Conditions report.
Current ground-water-level conditions
Daily values, statistics, and current field measurements
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Ground-water-level data
The NWISWeb is designed to retrieve data from the distributed National Water Information System (NWIS) databases and push the data to multiple remote webservers for display. NWISWeb strives to provide a Nationally consistent and seamless view of all USGS water data. USGS ground-water-level data in NWISWeb
Daily values are summarized from time-series data for each day for the period of record and may represent the daily mean, median, maximum, minimum, and/or other derived value. Daily values include approved, quality-assured data that may be published, and more recent provisional data, whose accuracy has not been verified. Daily time-series summaries from 42 sites
Real-time data are time-series (recorded at fixed intervals) data from automated equipment and represent the most current hydrologic conditions. Measurements are commonly recorded at 5-60 minute intervals and transmitted to the NWIS database every 1-4 hours. Real-time data are available online for 31 days. Real-time ground-water-level data from 3 sites
Statistics are computed from approved daily mean time-series data at each site. These links provide summaries of approved historical daily values for daily, monthly, and annual (water year or calendar year) time periods. |
Daily values are summarized from time-series data for each day for the period of record and may represent the daily mean, median, maximum, minimum, and/or other derived value.
Real-time data are time-series data (recorded at fixed intervals) from automated equipment and represent the most current hydrologic conditions. Real-time data are available online for 31 days. |
Historical ground-water-level conditions collected by the Ground Water Observation Network (GWON)
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Historic ground-water-level data
A alternate view of selected NWIS field measurements. Historic data from wells measured by the Wisconsin Ground Water Observation Netowrk (GWON).
Historic data of the Lake Level, Precipitation, and Water Table data at Little Sand Lake
near Crandon, Wisconsin
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Access to historic water-level records of all wells monitored by the Ground Water Observation Network.
Monthly and real-time data is collected in NWIS, but these data present a familiar subset of data collected by GWON. |
Contacts
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