Reservoir · Pennington, South Dakota
Deerfield Reservoir
Deerfield Reservoir
Reservoir · South Dakota
Information Only
StrikeTracks does not currently provide a live condition rating for this destination. Destination and fishery information is still available.
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Fishery Profile
Documented species you may encounter at Deerfield Reservoir.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Fishery overview
Deerfield Reservoir is the second GFP-named Black Hills lake-trout stillwater, distinct from Pactola. StrikeTracks admits it because GFP lake-trout management names Deerfield independently, not for symmetry with Pactola. Live same-lake water temperature is not assigned. Castle Creek is a different physical water. This is not Pactola and not Rapid Creek.
Target species
Lake Trout
Salvelinus namaycush
- Expectation
- Primary
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
GFP lake-trout page names Deerfield Reservoir independently of Pactola as a Black Hills lake-trout water. Not Pactola lake trout as a copied species row.
Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Primary
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
GFP Deerfield trout management includes rainbow trout. Not Rapid Creek tailwater rainbows as a copy.
Yellow Perch
Perca flavescens
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- High confidence
GFP Black Hills reservoir perch on Deerfield. Not Pactola perch as a copied row and not Thompson glacial perch as a substitute.
Fishery characteristics
- Composition
- Mixed wild and stocked
High Black Hills storage reservoir on Castle Creek above Deerfield Dam, colder and smaller than Pactola, managed by GFP for lake trout. Catalog coordinates are the GFP Deerfield waterbody, not Castle Creek gauges and not Pactola Dam.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Fly fishing
- Shore fishing
- Spinning
Access and Public Fishing Rights
GFP and USFS document public boat and shore access at Deerfield Reservoir in the Black Hills. Catalog coordinates are not a verified launch pin.
Stocking information
GFP lake-trout page and Black Hills Reservoir Management Plan name Deerfield independently of Pactola for lake trout. Confirm current official GFP stocking notices. Stocking calendars are not Hatch.
- Stocked
Lake Trout
Stocked · South Dakota Game, Fish and Parks
- Stocked
Rainbow Trout
Stocked · South Dakota Game, Fish and Parks
Official sources
South Dakota fishing license required. Black Hills Fish Management Area trout and lake-trout rules apply. Distinct from Pactola reservoir rules where posted and from Rapid Creek tailwater. Confirm current GFP Black Hills regulations.
conditionPublicationPolicy=static-value-structural-unavailable. Deerfield Reservoir is independently named by the GFP lake-trout page and Black Hills Reservoir Management Plan as a lake-trout stillwater alongside, not as a copy of, Pactola. Distinct destination identity, official GFP evidence, and distinct coldwater/lake-trout utility survive the implementation qualification bar; admission is not symmetry padding. inlandHasCompleteStaticFisheryValue passes on official GFP fishery, access, and regulations. Castle Creek temperature and reservoir elevation are not accepted lake Monitoring or Estimated science. HIGH plus PATH B is approved because Deerfield's independent GFP lake-trout utility is customer-useful beside Pactola, and honest Unavailable plus complete static Fishery is independently useful from Pactola and Rapid Creek. This justification is Deerfield-specific and does not copy Pactola prose.
Hatch Match
General fly suggestions
- Midge larvaGeneral stillwater midge-style family — not a live Chironomidae Hatch claim.
- Woolly-bugger-style streamerGeneral stillwater streamer family. Not a baitfish or kokanee Hatch event.
- Ant or beetleGeneral shoreline terrestrial family — not a local Hatch calendar.
These are general fishing suggestions, not a report of insects currently hatching at this destination.
Location and Access
Cataloged lake location
Pennington, South Dakota
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
Lake Details
County
Pennington
Management Category
Black Hills coldwater storage reservoir
Regulation Scope
Deerfield Reservoir
Regulation Summary
Deerfield Reservoir: GFP Black Hills Fish Management Area reservoir rules. Confirm current official regulations.
Target Species
Lake Trout, Rainbow Trout, Yellow Perch
Public Access
Public
Boat Launch
Available
Shore Fishing
Available
Description
Deerfield Reservoir, Pennington County, South Dakota. Independent Black Hills coldwater stillwater west of Pactola. Catalog-visible Unavailable: no qualifying same-lake live USGS water temperature (00010). Castle Creek temperature is not Deerfield pool thermal. Elevation/storage is not temperature. Not Pactola Reservoir and not Rapid Creek below Pactola Dam.
