What special fishing regulations apply at Lake Oahe?

Lake Oahe carries 7 special-regulation overlays that override South Dakota's statewide 2026 rules, covering Walleye, Smallmouth bass, Northern pike, Chinook salmon (king salmon), and 2 more. One of them reads: "Walleye + sauger combined 4 / day (only one 20 in or longer, 8 possession) — NO minimum length on Oahe (statewide rule); northern pike 6 / day no minimum; smallmouth bass 5 / day combined, no minimum; chinook salmon 5 / day no minimum (SD state-record chinook 31 lb 4 oz Lake Oahe 1991); paddlefish (SDGFP Free Paddlefish Tag); SD state-record walleye 16 lb 2 oz Lake Oahe 1991 + smallmouth 7 lb 5 oz Lake Oahe 2008; joint ND/SD reciprocal compact applies on main stem boundary between Pollock SD + Solen ND (anglers may use ND or SD Fishing Licence on Oahe main stem); recurring BASS Opens Central + MLF Toyota Series venue." Every overlay on this water body is listed in full above.

Do I need a fishing license to fish Lake Oahe?

Yes. Lake Oahe is in South Dakota, so a valid South Dakota fishing license is required just as it is anywhere else in the state, issued by South Dakota Game, Fish and Parks (SDGFP). The special regulations on this page change the bag, size, slot, or gear rules for Lake Oahe; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide South Dakota rules.

Do Lake Oahe's special rules replace South Dakota's statewide limits?

Only where they conflict. South Dakota's statewide 2026 regulations apply on Lake Oahe by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.

Which species have special rules on Lake Oahe?

Walleye, Smallmouth bass, Northern pike, Chinook salmon (king salmon), Yellow perch, and White bass have a water-body-specific rule on Lake Oahe, each linking to its full South Dakota regulations above. Species not listed here follow the statewide South Dakota limits.

2026 regulation year

Lake Oahe 2026 — South Dakota Fishing Regulations

South Dakota statewide rules apply unless overridden below.

Last updated June 9, 2026

Lake Oahe carries 7 special-regulation overlays on top of South Dakota's 2026 fishing rules — covering Walleye, Smallmouth bass, Northern pike, Chinook salmon (king salmon), and 2 more species. Verify the agency booklet before launching: in-season changes are not yet wired to this page.

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State-level special regulation

Walleye + sauger combined 4 / day (only one 20 in or longer, 8 possession) — NO minimum length on Oahe (statewide rule); northern pike 6 / day no minimum; smallmouth bass 5 / day combined, no minimum; chinook salmon 5 / day no minimum (SD state-record chinook 31 lb 4 oz Lake Oahe 1991); paddlefish (SDGFP Free Paddlefish Tag); SD state-record walleye 16 lb 2 oz Lake Oahe 1991 + smallmouth 7 lb 5 oz Lake Oahe 2008; joint ND/SD reciprocal compact applies on main stem boundary between Pollock SD + Solen ND (anglers may use ND or SD Fishing Licence on Oahe main stem); recurring BASS Opens Central + MLF Toyota Series venue
Source: South Dakota special-water list

Per-species rules on Lake Oahe

Walleye regulations →
4 / day combined (only one 20 in or longer, 8 possession) — NO minimum length (statewide rule); SD state-record walleye 16 lb 2 oz Oahe 1991; joint ND/SD reciprocal compact on main stem boundary
Smallmouth bass regulations →
5 / day combined, no minimum length; SD state-record smallmouth 7 lb 5 oz Oahe 2008
Northern pike regulations →
No minimum, 6 / day; SD state-record northern pike 35 lb 0 oz Lake Oahe 1997
Chinook salmon (king salmon) regulations →
No minimum, 5 / day; SD state-record chinook 31 lb 4 oz Oahe 1991; one of only inland US lakes with viable Pacific salmon fishery
Yellow perch regulations →
No minimum, 15 / day; secondary perch fishery on the four-reservoir tier
White bass regulations →
No daily limit; northern Missouri reservoir white bass

Official source

South Dakota Game, Fish and Parks (SDGFP) publishes the authoritative 2026 South Dakota fishing regulations. Special-regulation lakes and rivers are listed in the agency booklet — always verify before fishing.

Visit official South Dakota fishing regulations →

Emergency-order channel

In-season closures, slot-limit changes, and run-count-driven harvest pauses are posted to South Dakota Game, Fish and Parks's emergency-order feed — check it before any South Dakota trip during the active season.

Other special-regulation waters in South Dakota

Browse all water bodies →

Frequently asked questions

What special fishing regulations apply at Lake Oahe?: Lake Oahe carries 7 special-regulation overlays that override South Dakota's statewide 2026 rules, covering Walleye, Smallmouth bass, Northern pike, Chinook salmon (king salmon), and 2 more. One of them reads: "Walleye + sauger combined 4 / day (only one 20 in or longer, 8 possession) — NO minimum length on Oahe (statewide rule); northern pike 6 / day no minimum; smallmouth bass 5 / day combined, no minimum; chinook salmon 5 / day no minimum (SD state-record chinook 31 lb 4 oz Lake Oahe 1991); paddlefish (SDGFP Free Paddlefish Tag); SD state-record walleye 16 lb 2 oz Lake Oahe 1991 + smallmouth 7 lb 5 oz Lake Oahe 2008; joint ND/SD reciprocal compact applies on main stem boundary between Pollock SD + Solen ND (anglers may use ND or SD Fishing Licence on Oahe main stem); recurring BASS Opens Central + MLF Toyota Series venue." Every overlay on this water body is listed in full above.
Do I need a fishing license to fish Lake Oahe?: Yes. Lake Oahe is in South Dakota, so a valid South Dakota fishing license is required just as it is anywhere else in the state, issued by South Dakota Game, Fish and Parks (SDGFP). The special regulations on this page change the bag, size, slot, or gear rules for Lake Oahe; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide South Dakota rules.
Do Lake Oahe's special rules replace South Dakota's statewide limits?: Only where they conflict. South Dakota's statewide 2026 regulations apply on Lake Oahe by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.
Which species have special rules on Lake Oahe?: Walleye, Smallmouth bass, Northern pike, Chinook salmon (king salmon), Yellow perch, and White bass have a water-body-specific rule on Lake Oahe, each linking to its full South Dakota regulations above. Species not listed here follow the statewide South Dakota limits.

← Back to South Dakota regulations overview