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Black Rock Impoundment trout stocking

Thomaston, Watertown, Litchfield County, Connecticut · lake

Black Rock Impoundment was last stocked 5 months ago (Apr 23, 2026). We have 1 stocking on record since Apr 23, 2026, 1 in the last 12 months.

Last stocked
5 months ago
Apr 23, 2026
Next planned
Not announced
Last 12 months
1 stocking
On record
1 stockings
since Apr 23, 2026

River conditions

Nearest USGS gage: NAUGATUCK RIVER AT THOMASTON, CT (4 km away, on a different stream or lake).

Flow
21 cfs
lower than usual for the last six weeks
Gage height
1.66 ft
104988Aug 11Sep 23
Streamflow, last six weeks (cfs), daily. Latest: 28 cfs on Sep 23.

Latest reading Sep 25, 2026, 2:30 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Black Rock Impoundment

  • Overnight
    48°F
    Mostly Cloudy
    wind 12 to 15 mph
  • Friday
    65°F
    Mostly Cloudy then Slight Chance Rain Showers
    19% rain · wind 15 mph
  • Friday Night
    52°F
    Rain Showers Likely
    62% rain · wind 15 to 20 mph
  • Saturday
    60°F
    Rain
    76% rain · wind 16 to 21 mph
  • Saturday Night
    53°F
    Rain
    88% rain · wind 20 mph
  • Sunday
    60°F
    Rain
    81% rain · wind 15 to 20 mph

Forecast from the National Weather Service for this location, refreshed hourly.

Stocking history

DateSpeciesHatchery
Apr 23, 2026Trout

From Connecticut fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go.

Where is Black Rock Impoundment?

Thomaston, Watertown, Litchfield County, Connecticut. The marker is the agency's location for this water; streams are often stocked at several access points.

DirectionsLarger map

Stocked waters near Black Rock Impoundment

All stocked waters in Litchfield CountyStocked this week in Connecticut

Questions about Black Rock Impoundment

When was Black Rock Impoundment last stocked?
The latest reported stocking was Apr 23, 2026, according to Connecticut agency reports.
How often is Black Rock Impoundment stocked?
It was stocked 1 times in the last 12 months.