2026 regulation year
Columbia Basin seep lakes (Grant County) 2026 — Washington Fishing Regulations
Washington statewide rules apply unless overridden below.
Last updated
Columbia Basin seep lakes (Grant County) carries a special-regulation overlay on top of Washington's 2026 fishing rules — covering Largemouth bass. Verify the agency booklet before launching: in-season changes are not yet wired to this page.
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Per-species rules on Columbia Basin seep lakes (Grant County)
Grant County seep + desert lakes — statewide lake slot rule 5 / day, under 12 in plus 1 over 17 in; some carry selective-gear or seasonal rules, verify per-lake exceptions
Official source
Washington Department of Fish and Wildlife (WDFW) publishes the authoritative 2026 Washington fishing regulations. Special-regulation lakes and rivers are listed in the agency booklet — always verify before fishing.
Visit official Washington fishing regulations →
Emergency-order channel
In-season closures, slot-limit changes, and run-count-driven harvest pauses are posted to Washington Department of Fish and Wildlife's emergency-order feed — check it before any Washington trip during the active season.
Other special-regulation waters in Washington
- Aeneas Lake
- Baker River + Baker Lake
- Banks Lake
- Big Twin Lake
- Blue Lake (Sinlahekin Wildlife Area, Okanogan County)
- Chopaka Lake
- Cle Elum + Bumping + Rimrock (Tieton) + Keechelus + Kachess Yakima Cascade reservoir tier
- Columbia River
- Dry Falls Lake (Sun Lakes)
- Dusty Lake (Quincy Wildlife Area)
- Grande Ronde River
- Hood Canal
Frequently asked questions
- What special fishing regulations apply at Columbia Basin seep lakes (Grant County)?
- Columbia Basin seep lakes (Grant County) carries one special-regulation overlay that overrides Washington's statewide 2026 rules, covering Largemouth bass. It reads: "Grant County seep + desert lakes — statewide lake slot rule 5 / day, under 12 in plus 1 over 17 in; some carry selective-gear or seasonal rules, verify per-lake exceptions." Every overlay on this water body is listed in full above.
- Do I need a fishing license to fish Columbia Basin seep lakes (Grant County)?
- Yes. Columbia Basin seep lakes (Grant County) is in Washington, so a valid Washington fishing license is required just as it is anywhere else in the state, issued by Washington Department of Fish and Wildlife (WDFW). The special regulations on this page change the bag, size, slot, or gear rules for Columbia Basin seep lakes; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Washington rules.
- Do Columbia Basin seep lakes (Grant County)'s special rules replace Washington's statewide limits?
- Only where they conflict. Washington's statewide 2026 regulations apply on Columbia Basin seep lakes 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 Columbia Basin seep lakes?
- Largemouth bass has a water-body-specific rule on Columbia Basin seep lakes (Grant County), each linking to its full Washington regulations above. Species not listed here follow the statewide Washington limits.