Rosedale Lake trout stocking
Mercer County, New Jersey · lake · 150 ft elevation
Rosedale Lake was last stocked 11 months ago (Oct 22, 2025). We have 1 stocking on record since Oct 22, 2025, 1 in the last 12 months (210 fish).
- Stocked about as often as a typical New Jersey water on our record.
River conditions
Nearest USGS gage: Delaware and Raritan Canal at Port Mercer NJ (7 km away, on a different stream or lake).
- Water temperature
- 63°F
- Flow
- 122 cfs
- about normal for the last six weeks
Ideal for trout. Prime range for trout (about 50 to 65°F): fish are feeding actively.
Latest reading Sep 29, 2026, 3:00 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Rosedale Lake
- Overnight56°FMostly Cloudy7% rain · wind 5 mph
- Tuesday73°FPartly Sunny4% rain · wind 5 to 10 mph
- Tuesday Night55°FPartly Cloudy1% rain · wind 0 to 5 mph
- Wednesday77°FMostly Sunnywind 0 mph
- Wednesday Night60°FPartly Cloudywind 0 mph
- Thursday81°FMostly Sunnywind 0 to 5 mph
Forecast from the National Weather Service for this location, refreshed hourly.
What is stocked
| Species | Stockings | Fish | Fish per stocking |
|---|---|---|---|
| Trout | 1 | 210 | 210 |
Stocking history
20251 stocking · 210 fish
| Date | Species | Fish |
|---|---|---|
Oct 22Latest Wednesday | Trout | 210 |
From New Jersey 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. Seasons and limits: New Jersey fishing regulations.
Where is Rosedale Lake?
Mercer County, New Jersey. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Rosedale Lake
- Colonial Lakelake · 5 mistocked Oct 22, 2025
- Amwell Lakelake · 7 mistocked Nov 17, 2025
- Sylvan Lakelake · 20 mistocked Oct 21, 2025
- Raritan River N/Bstream · 20 mistocked Oct 14, 2025
- Crystal Lakelake · 22 mistocked Oct 21, 2025
- Raritan River S/Bstream · 25 mistocked Oct 17, 2025
All stocked waters in Mercer CountyStocked this week in New Jersey
Questions about Rosedale Lake
- When was Rosedale Lake last stocked?
- The latest reported stocking was Oct 22, 2025, according to New Jersey agency reports.
- How often is Rosedale Lake stocked?
- It was stocked 1 times in the last 12 months.
- Is Rosedale Lake stocked often?
- Stocked about as often as a typical New Jersey water on our record. We count each day the agency reported stocking it.
- How warm is the water near Rosedale Lake?
- The nearest USGS gage read 63°F on Sep 29. Prime range for trout (about 50 to 65°F): fish are feeding actively.
This site was developed using New Jersey Department of Environmental Protection Geographic Information System digital data, but this secondary product has not been verified by NJDEP and is not state-authorized or endorsed.