Sept. 29-Oct. 1 | Lakebed 2030 Conference
What will it take to map the lakes at high-density? This fall, join other...
Read the 2020 Annual Report
2020 was a big year at GLOS. New staff, observing system upgrades, and lakefloor...
Due March 12 | Request for Proposals for Smart Great Lakes Mini-Grant Program
CLOSED | Deadline: March 12, 2021 by 5:00 PM EST Program Overview and...
Read the Great Lakes Observing System Strategic Plan 2020-2025
On October 22, 2019, after a multi-year collaborative planning process involving stakeholders, partners, and...
May 30 Summer Sonde Calibration Event
Water managers from Lake Erie towns and cities are getting together to gather sondes,...