Public Notice GP-4 (MVS-2021-11): Proposed Reissuance of Regional General Permit No. 4 (GP-4) for Missouri Private Boat Docks, Associated Dock Structures and Minor Discharges in the Missouri River, Mississippi River and Navigable/Historically Navigable Portions of the Salt, Femme Osage and Meramec Rivers. The Comment Period Expires on February 10, 2021.