Watershed district boundaries are based on topography of drainage areas since water flows due to gravity and not political boundaries.
As technology improves and land parcels get divided into smaller parcels, watershed boundaries get refined and amended.
Minnesota Statute 103D.251 provides a legal process for this: 2. Procedure. The boundaries of a watershed district may be changed as provided in this section, and for a watershed district entirely within the metropolitan area the boundary may also be changed as provided in sections 103B.215 and 103B.225.
In 2023 our boundary within the City of Ham Lake and with the Sunrise River Watershed Management Organization is being amended: