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Fishing regulations at Koch Ditch, NV
Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in Nevada can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching Smallmouth bass as of April 6th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Smallmouth bass
Seasons
Open
Aggregate
5
Western Region Daily Limits
Except as noted under "Special Regulations" the daily limits are as follows:Carson City, Churchill County, Douglas County, Lyon County, Humbolt County, Mineral County, Pershing County, Storey County and Washoe County: The limit is 5 trout, 5 mountain whitefish and 15 warmwater game fish of which not more than 5 may be black bass and 5 may be walleye.Possession Limits
The possession limit is two times the daily limit for the water in which the fish are caught. Possession limits apply to both general and special regulation waters.Micropterus dolomieui
Western Region Daily Limits
Except as noted under "Special Regulations" the daily limits are as follows:Carson City, Churchill County, Douglas County, Lyon County, Humbolt County, Mineral County, Pershing County, Storey County and Washoe County: The limit is 5 trout, 5 mountain whitefish and 15 warmwater game fish of which not more than 5 may be black bass and 5 may be walleye.Possession Limits
The possession limit is two times the daily limit for the water in which the fish are caught. Possession limits apply to both general and special regulation waters.Daily LimitsExcept as noted below the daily limits are as follows: 5 trout, 5 mountain whitefish and 15 warmwater game fish of which not more than 5 may be black bass and 5 may be walleye.Possession LimitsThe possession limit is two times the daily limit for the water in which the fish are caught. Possession limits apply to both general and special regulation waters.
East Walker RiverYear round; any hour of the day or night.5 trout, 10 mountain whitefish and 15 warmwater game fish of which not more than 5 may be black bass.Special Regulations: Except in that portion of the East Walker River which is from ¼ mile above the confluence of the East Walker River and Sweetwater Creek downstream to ½ mile below the confluence of the East Walker River and Red Wash Creek, which is catch and release fishing only. Only artificial lures with single barbless hooks may be used.Lahontan ReservoirSee Churchill County.Mason Valley Wildlife Management Area Fort Churchill Cooling Pond Cooperative Management AreaSeason is open the second Saturday in February through September 30; 1 hour before sunrise to 2 hours after sunset.5 trout and 15 warmwater game fish of which not more than 2 may be black bass. Minimum size for black bass is 14 inches total length.Special Regulations: Fishing is prohibited from the center dike and posted areas. Wading or the use of boats and other floating devices is prohibited.Mason Valley Wildlife Management AreaSeason is open the second Saturday in February through September 30; any hour of the day or night on the following waters: Bass, Crappie, North Pond, Beaver Slough and that portion of the Walker River within the Mason Valley Wildlife Management Area.5 trout and 15 warmwater game fish of which not more than 2 may be black bass. Minimum size for black bass is 14 inches total length.Mason Valley Wildlife Management Area Hinkson SloughSame season as above.2 trout and 15 warmwater gamefish of which not more than 2 may be black bass. Minimum size for trout is 16 inches total length. Minimum size for black bass is 14 inches total length.Special Regulations: Artificial lures only (see General Statewide Regulations).Mason Valley Wildlife Management Area Eastside Waterfowl Series PondsSeason is open Aug. 16 through Sept. 30; any hour of the day or night.5 trout and 15 warmwater game fish of which not more than 2 may be black bass. Minimum size for black bass is 14 inches total length.Mason Valley Wildlife Management Area Kuenzli Pond, Hatchery Outpond 1, Hatchery Outpond 2, and Hatchery Outpond 3Season is open on the first Saturday in May, from 8 a.m. to sunset.3 game fish of which not more than 1 may be black bass.Note: These ponds are open for one day only.Mountain View Park PondYear round; hours are when the park is open to public use.3 game fish.LYON COUNTY CLOSED WATERS: All waters within the Mason Valley Wildlife Management Area except for those listed above
Regulations for
39°17′33.3″N 119°27′16″W
FAQ about Koch Ditch fishing
Koch Ditch is a canal located in Lyon County, Nevada, United States. Its coordinates are:
39°17′33.3″N 119°27′16″W
.Find the best fishing spots on Koch Ditch by looking at where other anglers have caught fish. This can easily be done in the where it is also possible to see big fish potential and how good fishing is right now along with Garmin® depth maps.
The most common species in Koch Ditch are:
- Smallmouth bass - 7 members reported to have caught this fish
- Common carp - 5 members reported to have caught this fish
- Bluegill - 1 members reported to have caught this fish
The latest Koch Ditch fishing reports are:
- @Villarro reported a nice Smallmouth bass.
- @userdalton reported a nice Common carp.
- @rylandanner reported a nice Common carp.
- @rylandanner reported a nice Common carp.
- @rylandanner reported a nice Common carp.
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