Mansfield Hollow Dam Fishing Report
Based on live releases/levels and local weather.
Mansfield Hollow Dam fishing report based on live water release, lake level, and local weather near Willimantic, CT. Check current outflow (CFS), water level, and species-specific notes before your trip.
Mansfield Hollow Dam snapshot
Mansfield Hollow Dam, Natchaug River Mansfield Hollow Dam sits near Willimantic, CT and is monitored by the U.S. Army Corps of Engineers NAE district. Coordinates: 41.7650°, -72.1817°. Also known as Mansfield Hollow Dam, Natchaug River.
- Latest release
- 74 CFS
- Recorded 2026-06-19 07:30 UTC
- Latest lake level
- 212.77 ft
- Recorded 2026-06-19 07:30 UTC
Lower release: generally safer conditions, but watch footing and changing water levels near inflows and outflows.
Source: U.S. Army Corps of Engineers CWMS public feeds. See the Mansfield Hollow Dam water level & flow charts for 7‑day history.