According to records, during the 1 204 days that started on September 19, 2021, 1 uptime tests for h2o.er.usgs.gov were performed. As of January 6, 2025, h2o.er.usgs.gov was encountering issues or unable to be reached during all the tests conducted. Out of all evaluations, h2o.er.usgs.gov was unreachable 100.00% of the time, equaling 1 events, with the latest occurrence on September 19, 2021. All responses attest to the fact that no error status codes have been received as of January 6, 2025. A response from h2o.er.usgs.gov was recorded at — seconds on September 19, 2021, differing from 0.001 seconds on average.