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For the bluegill herePiscifun Carbon XT ultralight spinning reel25% OFFSale $59.99 $79.99
Lake Marburg 5.7 mi
Photo: Idawriter, CC BY-SA 3.0 
Susquehanna River 40 mi
Photo: Andre Carrotflower, CC BY-SA 4.0 
Juniata River 45 mi
Photo: Bonnachoven, CC0 1.0 
Lancaster County 42 mi
Photo: Nicholas A. Tonelli, CC BY 2.0
Pennsylvania lakes and reservoirs
Pick for bluegillPiscifun Carbon X ultralight spinning reel28% OFFSale $57.99 $79.99
Long Arm Dam Fishing
A 225-acre Pennsylvania reservoir in York County.
Pick for bluegillPiscifun Carbon X ultralight spinning reel28% OFFSale $57.99 Photo of Lake Marburg: Idawriter, CC BY-SA 3.0
York County
Long Arm Dam: the basics
PFBC mapping credits Long Arm Dam with 225 acres of water in York County. Groceries and gas wait in McSherrystown, about 4 miles off. PFBC gives Long Arm Creek as the receiving water. Fisheries staff of the Southcentral Region manage it.
PFBC species listings include bluegill and pumpkinseed, crappie, largemouth bass, northern pike, walleye and yellow perch. Boaters use 1 access area with a ramp.
225acres
1ramp access areas
6species listed
1scheduled stockings
PFBC Lakes_Point layer (acres from NHD), Census places, retrieved October 23, 2026.
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Fish worth casting for at Long Arm Dam
The chips for Long Arm Dam join the PFBC warmwater and coolwater listing, state records and the stocking schedule.
PFBC WWCW species listing by water and PFBC stocking schedules, retrieved October 23, 2026.
Access
PFBC access areas at Long Arm Dam
- Long Arm Dam, Lawrence B. Sheppard Reservoir Accessboat ramp, 15 trailer spaces, electric motors only; owner Hanover Water Company
Public ramps near Long Arm Dam
- Codorus State Park Black Rock BridgeLake Marburg, 4 miles northeast
- Codorus State Park Wonder CoveLake Marburg, 4 miles northeast
- Codorus State Park Smith Station RoadLake Marburg, 5 miles northeast
- Codorus State Park Hidden CoveLake Marburg, 6 miles northeast
- Marina Area, Codorus State ParkLake Marburg, 6 miles northeast
- Codorus State Park Mooring CoveLake Marburg, 6 miles northeast
PFBC access areas layer (ramps and fishing-only sites), retrieved October 23, 2026.
Limits
Harvest limits at Long Arm Dam
| Species | Creel and size | Season |
|---|---|---|
| Bass (June 13 to Sept. 30) | 6 (combined species); minimum 12 inches | June 13 through Sept. 30 |
| Bass (Jan. 1 to April 10, Oct. 1 to Dec. 31) | 4 (combined species); minimum 15 inches | Jan. 1 through April 10 and Oct. 1 through Dec. 31 |
| Bass (April 11 to June 12) | NO HARVEST – catch and immediate release only (no tournaments permitted) | April 11 through June 12 (no harvest begins 12:01 a.m.) |
| Muskellunge and tiger muskellunge | 1 (combined species); minimum 40 inches | Open year-round |
| Northern pike | 2; minimum 24 inches | Open year-round |
| Chain pickerel | 4; minimum 18 inches | Open year-round |
| Walleye and saugeye | 6; minimum 15 inches | Jan. 1 through March 14 and May 2 through Dec. 31 |
| Sunfish, crappie and other panfish | 50 (combined species) | Open year-round |
| Catfish | 50 (combined species) | Open year-round |
| Striped bass and hybrids | 2 (combined species); minimum 20 inches | Open year-round |
| American shad | 3 | Open year-round |
For Long Arm Dam, the Summary inland rows hold except where a listing below names it.
2026 Pennsylvania Fishing Summary (PFBC), pp. 10-17, retrieved October 23, 2026.
Stocking
Planned stockings at Long Arm Dam
The 2026 schedule lists 1 stockings at Long Arm Dam, led by walleye; no per-trip numbers are published.
| Date | Species | Program | Section | Meeting place |
|---|---|---|---|---|
| 2026 | Walleye (fingerling) | warmwater/coolwater |
PFBC Adult Trout Stocking Schedule, Fingerling Trout Schedule and Warmwater/Coolwater stockings (2026), retrieved October 23, 2026. Pennsylvania stocking.
Compare
Sizing Long Arm Dam against nearby water
| Lake | Distance | Acres | Ramps | Species | Stocked trout |
|---|---|---|---|---|---|
| Long Arm Dam | 225 | 1 | 6 | ||
| Sheppard-myers Reservoir | 2 miles southeast | 49 | 0 | 0 | yes |
| Lake Marburg | 6 miles northeast | 1,274 | 7 | 9 | |
| Lake Williams | 18 miles northeast | 220 | 1 | 8 | |
| Lake Redman | 18 miles northeast | 290 | 1 | 12 | |
| Orrtanna Pond – Pond 1 | 21 miles west | 5 | 0 | 0 | yes |
PFBC Lakes_Point, access areas and species listings, retrieved October 23, 2026.
Nearby
Near the Long Arm Dam area
Lakes in the same region as Long Arm Dam
- Sheppard-myers Reservoir2 miles southeast
- Lake Marburg6 miles northeast
- Lake Williams18 miles northeast
- Lake Redman18 miles northeast
- Orrtanna Pond – Pond 121 miles west
Bait and lures on the road to Long Arm Dam
- Aos Marinamarina, Hanover, 3 miles
- B & B Luresbait and tackle shop, Hanover, 4 miles
- Speak Anglebait and tackle shop, Littlestown, 8 miles
- Redding's Hardware & Sporting Goodsbait and tackle shop, Gettysburg, 14 miles
- Carbon & Steel Sporting Goodsbait and tackle shop, York, 16 miles
- Sierra, 1221 Carlisle Rdbait and tackle shop, York, 19 miles
Guides and captains for Long Arm Dam
- Hooked On Catfishingcharter, Highspire, (717) 304-9843
- North Muddy Fish & Game Associatescharter, Felton, (717) 927-6324
- Flathead Fever Guide Servicefishing guide, Enola, (717) 422-0614
Boroughs and towns close to Long Arm Dam
- Parkville3 miles
- McSherrystown4 miles
- Hanover5 miles
Which counties Long Arm Dam reaches
- York Countyseat: York
Piscifun
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Photographs
A photo look at the water by Long Arm Dam
Photo: Idawriter, CC BY-SA 3.0
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Photo: Andre Carrotflower, CC BY-SA 4.0
Photo: Bonnachoven, CC0 1.0
Photo: Nicholas A. Tonelli, CC BY 2.0
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Answers
Short answers about fishing Long Arm Dam
Which PFBC region covers Long Arm Dam?
York County, PFBC Southcentral Region, about 4 miles from McSherrystown.
What acreage does Long Arm Dam have?
About 225 acres.
Does PFBC map a boat ramp on Long Arm Dam?
PFBC maps 1 ramp access area; start at Long Arm Dam, Lawrence B. Sheppard Reservoir Access.
Which fish bite for Keystone anglers at Long Arm Dam?
Expect bluegill and pumpkinseed, crappie, largemouth bass, northern pike, walleye and yellow perch.
Which creel limits apply at Long Arm Dam?
Bass (June 13 to Sept. 30): 6 (combined species); minimum 12 inches; June 13 through Sept. 30.
Can a visitor fish Long Arm Dam?
Anyone 16 or older needs a Pennsylvania fishing license: $27.97 for residents, $60.97 for nonresidents and $14.47 for resident seniors, fees included.
Is Long Arm Dam on the 2026 stocking schedule?
1 stockings are scheduled for 2026, the first on 2026.
Which listed Pennsylvania shop is the shortest drive to Long Arm Dam?
Try Aos Marina, roughly 3 miles off.
Plan a day at Long Arm Dam
Check the limits above, then pick an access area.