- Advisory Committee on Water Information (ACWI)/Open Water Data Initiative (OWDI) – Meets on the fourth Friday of the month.
- Advisory Committee on Water Information (ACWI)/Streamflow Information Collaborative Workgroup – Meets the second Tuesday of the month.
U.S. Geological Survey (USGS) Water Use Data Open Forum – Meets on the last Wednesday of the month.
- Open Geospatial Consortium Data Quality Domain Working Group – Ad hoc.
- Open Geospatial Consortium Hydrology Domain Working Group – Ad hoc.
- WSWC Water Information and Data Subcommittee Meetings – about every six months…