Patapsco River, Avalon Area trout stocking
Baltimore County, Maryland · stream · 32 ft elevation
Patapsco River, Avalon Area was last stocked 5 months ago (May 7, 2026). We have 6 stockings on record since Oct 20, 2025, 6 in the last 12 months (6,500 fish). Most stockings come in March. Species stocked: golden trout, rainbow trout.
- Tied for the most stocked water in Baltimore County (6 stocking days on record).
- Stocked more often than 97% of Maryland waters on our record.
River conditions
USGS gage: PATAPSCO RIVER NEAR CATONSVILLE, MD (2 km away).
- Flow
- 58 cfs
- about normal for the last six weeks
- Gage height
- 10.38 ft
Latest reading Sep 29, 2026, 12:30 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Patapsco River, Avalon Area
- Tonight60°FMostly Cloudy10% rain · wind 2 mph
- Tuesday76°FMostly Sunny10% rain · wind 5 mph
- Tuesday Night60°FPartly Cloudy10% rain · wind 2 mph
- Wednesday80°FMostly Sunnywind 0 to 5 mph
- Wednesday Night63°FPartly Cloudywind 5 mph
- Thursday84°FMostly Sunnywind 5 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Patapsco River, Avalon Area stocked?
Most stockings come in March. Stocked 5 times in 2026, mostly in March, usually on Thursdays, about every 25 days.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 2 | 1 | 1 | ||||||||
| 2025 | 1 |
What is stocked
| Species | Stockings |
|---|---|
| Golden trout | 6 |
| Rainbow trout | 6 |
Stocking history
20265 stockings · 6,000 fish
| Date | Species | Fish | Since previous |
|---|---|---|---|
May 7Latest Thursday | Golden troutRainbow trout | 1,000 | 16 days |
Apr 21 Tuesday | Golden troutRainbow trout | 1,800 | 25 days |
Mar 27 Friday | Golden troutRainbow trout | 1,800 | 9 days |
Mar 18 Wednesday | Golden troutRainbow trout | 600 | 27 days |
Feb 19 Thursday | Golden troutRainbow trout | 800 | 122 days |
20251 stocking · 500 fish
| Date | Species | Fish | Since previous |
|---|---|---|---|
Oct 20 Monday | Golden troutRainbow trout | 500 |
From Maryland 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: Maryland fishing regulations.
Where is Patapsco River, Avalon Area?
Baltimore County, Maryland. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Patapsco River, Avalon Area
- Centennial Lakelake · 6 mistocked Mar 12, 2026
- Patapsco River, Daniels Areastream · 6 mistocked May 7, 2026
- Lake Elkhornlake · 6 mistocked Feb 24, 2026
- Gwynn Oak Park Pondpond · 6 mistocked Apr 14, 2026
- Little Patuxent Riverstream · 7 mistocked Apr 16, 2026
- Middle Patuxent Riverstream · 9 mistocked Apr 16, 2026
- Gwynns Fallsstream · 9 mistocked Apr 14, 2026
- Patuxent Riverstream · 11 mistocked Apr 14, 2026
All stocked waters in Baltimore CountyStocked this week in Maryland
Questions about Patapsco River, Avalon Area
- When was Patapsco River, Avalon Area last stocked?
- The latest reported stocking was May 7, 2026 (golden trout and rainbow trout, 1,000 fish), according to Maryland agency reports.
- How often is Patapsco River, Avalon Area stocked?
- Stocked 5 times in 2026, mostly in March, usually on Thursdays, about every 25 days. Across all years on record, most stockings come in March.
- Is Patapsco River, Avalon Area stocked often?
- Tied for the most stocked water in Baltimore County (6 stocking days on record). Stocked more often than 97% of Maryland waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Patapsco River, Avalon Area?
- Golden trout (6 stockings); Rainbow trout (6 stockings).