Ketner Lake Fishing Regulations
Jefferson County, Colorado · 2026 size limits, bag limits, and seasons
Ketner Lake is a lake in Jefferson County, Colorado. It has its own fishing regulations for 2 species, including Largemouth Bass and Smallmouth Bass. These rules replace Colorado's statewide limits on this water.
Fish with special rules on Ketner Lake
Tap a fish for identification tips, size records, and the best bait.
Ketner Lake limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
 Largemouth Bass | 15" min | – | Always open |
 Smallmouth Bass | 15" min | – | Always open |
– means no limit is listed for this water. Rules not shown here follow Colorado's statewide regulations.
Plan your Ketner Lake trip
Ketner Lake fishing: common questions
What fish have special regulations on Ketner Lake?
2 species have rules specific to Ketner Lake: Largemouth Bass and Smallmouth Bass.
What is the largemouth bass limit on Ketner Lake?
Largemouth Bass must be at least 15" to keep on Ketner Lake.
What is the smallmouth bass limit on Ketner Lake?
Smallmouth Bass must be at least 15" to keep on Ketner Lake.
Do Colorado statewide fishing rules apply on Ketner Lake?
Where Ketner Lake has its own rule for a species, that rule replaces the statewide limit. For species not listed on this page, Colorado's statewide regulations apply. Regulations are set by the Colorado Parks and Wildlife; confirm with the official 2026 regulations before keeping a fish.
Other Colorado waters with special regulations
- South Platte River
- Yampa River
- Colorado River
- White River
- Poudre River · Larimer
- Gunnison River
- Blue River · Grand, Summit
- Roaring Fork River
- Arkansas River · Chaffee , Lake , Fremont , Pueblo
- Animas River · La Plata
- Eagle River · Eagle
- Taylor River
Take Ketner Lake rules on the water
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