2026 regulation year
Oahe Dam Tailwater 2026 — South Dakota Fishing Regulations
South Dakota statewide rules apply unless overridden below.
Last updated
Oahe Dam Tailwater carries a special-regulation overlay on top of South Dakota's 2026 fishing rules — covering Chinook salmon (king salmon). Verify the agency booklet before launching: in-season changes are not yet wired to this page.
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Per-species rules on Oahe Dam Tailwater
Chinook salmon (king salmon) regulations →
Chinook salmon spring spawning migration April – May (no harvest above marker buoys at the dam); SDGFP + USFWS Gavins Point + Cleghorn Springs Hatchery facilities
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
Frequently asked questions
- What special fishing regulations apply at Oahe Dam Tailwater?
- Oahe Dam Tailwater carries one special-regulation overlay that overrides South Dakota's statewide 2026 rules, covering Chinook salmon (king salmon). It reads: "Chinook salmon spring spawning migration April – May (no harvest above marker buoys at the dam); SDGFP + USFWS Gavins Point + Cleghorn Springs Hatchery facilities." Every overlay on this water body is listed in full above.
- Do I need a fishing license to fish Oahe Dam Tailwater?
- Yes. Oahe Dam Tailwater 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 Oahe Dam Tailwater; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide South Dakota rules.
- Do Oahe Dam Tailwater's special rules replace South Dakota's statewide limits?
- Only where they conflict. South Dakota's statewide 2026 regulations apply on Oahe Dam Tailwater by default; the overlays above replace the matching statewide rule 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 Oahe Dam Tailwater?
- Chinook salmon (king salmon) has a water-body-specific rule on Oahe Dam Tailwater, each linking to its full South Dakota regulations above. Species not listed here follow the statewide South Dakota limits.