Fishing in Prosser, WA
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About Prosser fishing
Check out the best fishing spots in and around Prosser, Washington. Anglers using Fishbrain have logged: 3,139 catches for Smallmouth bass, 1,294 catches for Largemouth bass, and 465 catches for Walleye.
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Fishing regulations in Prosser
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 Washington 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 July 26th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Smallmouth bass
Seasons
Open
Bag limit
10
Memorable
1 > 14
Measurement
Total Length
Restrictions & requirements
Additional information
No min. size in lakes, ponds, and reservoirs. Only 1 smallmouth bass over 14" may be retained. Daily limit 10. No size restriction/daily limit in rivers, streams, and beaver ponds.For more information please see State of Washington Fishing Regulations
Synonyms
Micropterus dolomieui
Location specific information
AMON WASTEWAYAll speciesSelective gear rules.All game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit.CORRAL CREEKAll speciesSelective gear rules.All game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit.SNIPES CREEKAll speciesSelective gear rules.All game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit.SPRING CREEKAll speciesSelective gear rules.All game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit.YAKIMA RIVERfrom mouth (Hwy. 240 Bridge) to 400' downstream of Horn Rapids (Wanawish) Dam CRC (690)All speciesChumming permitted. Barbless hooks required (salmon and steelhead only). Two-Pole allowed.TroutMar. 1-Oct. 31Catch-and-release.Other game fishMar. 1-Oct. 31Statewide min. size/daily limit.SalmonSept. 1-Oct. 31Min. size 12". Night closure. Daily limit 6 including no more than 2 adults. Release all salmon other than Chinook and Coho.from 400' downstream of Horn Rapids (Wanawish) Dam to Horn Rapids DamAll speciesCLOSED WATERS.from Horn Rapids Dam to 200' downstream of the USBR Chandler Powerhouse CRC (690)All speciesChumming permitted. Barbless hooks required (salmon and steelhead only). Two-Pole allowed.TroutMar. 1-Oct. 31Catch-and-release.Other game fishMar. 1-Oct. 31Statewide min. size/daily limit.SalmonSept. 1-Oct. 31Min. size 12". Night closure. Daily limit 6 including no more than 2 adults. Release all salmon other than Chinook and Coho.from 200' downstream of the USBR Chandler Powerhouse to 200' upstream of the USBR Chandler Powerhouse CRC (690)All speciesChumming permitted. Barbless hooks required for steelhead. Two-Pole allowed.Sept. 1-Oct. 31CLOSED WATERS.TroutMar. 1-Aug. 31Catch-and-release.Other game fishMar. 1-Aug. 31Statewide min. size/daily limit.from 200' upstream of the USBR Chandler Powerhouse to the downstream side of the westbound I-82 Bridge at Prosser CRC (690)All speciesBarbless hooks required (salmon and steelhead only). Chumming permitted. Two-Pole allowed.TroutMar. 1-Oct. 31Catch-and-release.Other game fishMar. 1-Oct. 31Statewide min. size/daily limit.SalmonSept. 1-Oct. 31Min. size 12". Night closure. Daily limit 6 including no more than 2 adults. Release all salmon other than Chinook and Coho.from the downstream side of the westbound I-82 Bridge in Prosser to the Grant Ave. Bridge in Prosser CRC (690)All speciesChumming permitted. Two-Pole allowed. Barbless hooks required (salmon and steelhead only).Sept. 1-Oct. 31Fishing from any floating device prohibited.TroutMar. 1-Oct. 31Catch-and-release.Other game fishMar. 1-Oct. 31Statewide min. size/daily limit.SalmonSept. 1-Oct. 31Min. size 12". Daily limit 6 including no more than 2 adults. Release all salmon other than Chinook and Coho.from Grant Ave. Bridge in Prosser to Prosser DamAll speciesCLOSED WATERS.from Prosser Dam to Hwy. 223 Bridge CRC (690)All speciesBarbless hooks required for steelhead.TroutMar. 1-Oct. 31Catch-and-release.Other game fishMar. 1-Oct. 31Statewide min. size/daily limit.from Hwy. 223 Bridge to 400' downstream of Sunnyside (Parker) Dam CRC (690)All speciesSat. before Memorial Day-Oct. 31Selective gear rules.TroutSat. before Memorial Day-Oct. 31Min. size 14". Daily limit 2.WhitefishDec. 1-Last Day of Feb.Statewide min. size/daily limit. Whitefish gear rules. Open for whitefish only.Other game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit.from 400' downstream of Sunnyside (Parker) Dam to the DamAll speciesCLOSED WATERS.from Sunnyside (Parker) Dam to the Yakima Ave.-Terrace Heights Bridge CRC (690)All speciesSat. before Memorial Day-Oct. 31Selective gear rules.TroutSat. before Memorial Day-Oct. 31Min. size 14". Daily limit 2.WhitefishDec. 1-Last Day of Feb.Statewide min. size/daily limit. Whitefish gear rules. Open for whitefish only.Other game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit.from Yakima Ave.-Terrace Heights Bridge in Yakima upstream 400'All speciesCLOSED WATERS.from 400' upstream of Yakima Ave-Terrace Heights Bridge in Yakima to 3,500' down- stream of Roza Dam CRC (690)All speciesSat. before Memorial Day-Oct. 31Selective gear rules.TroutSat. before Memorial Day-Oct. 31Min. size 14". Daily limit 2.WhitefishDec. 1-Last Day of Feb.Statewide min. size/daily limit. Whitefish gear rules. Open for whitefish only.Other game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit.from 3500' downstream of Roza Dam to Roza DamAll speciesCLOSED WATERS.from Roza Dam to US Bureau of Reclamation restricted area signs CRC (690)All speciesInternal combustion motors prohibited.TroutYear-roundSelective gear rules. Catch-and-release.WhitefishDec. 1-Last Day of Feb.Statewide min. size/daily limit. Whitefish gear rules.Other game fishYear-roundStatewide min. size/daily limit. Selective gear rules.from the US Bureau of Reclamation restricted areas signs at Roza Dam upstream to the boat launch ramp on the Roza access area (approx. 1.3 river miles) CRC (690)TroutYear-roundSelective gear rules. Catch-and-release.WhitefishDec. 1-Last Day of Feb.Statewide min. size/daily limit. Whitefish gear rules.Other game fishYear-roundStatewide min. size/daily limit. Selective gear rules.from the boat launch ramp on the Roza Access Area to 400' below Easton Dam; including the portion of Wilson Creek from the mouth upstream to the BNSF Rail- road Bridge CRC (690)All speciesInternal combustion motors prohibited.TroutYear-roundCatch-and-release. Selective gear rules.WhitefishDec. 1-Last Day of Feb.Statewide min. size/daily limit. Whitefish gear rules.Other game fishYear-roundStatewide min. size/daily limit. Selective gear rules.from 400' downstream of Easton Dam to damAll speciesCLOSED WATERS.from Easton Dam to Keechelus Dam, including Easton Lake CRC (690)All speciesSelective gear rules.TroutSat. before Memorial Day-Oct. 31Statewide min. size/daily limit. Except: Release rainbow trout and cutthroat trout.Other game fishSat. before Memorial Day-Oct. 31Statewide min. size/daily limit.COLUMBIA PARK PONDAll speciesTwo-Pole not allowed. Open for juvenile anglers, senior anglers and anglers with a disability who possess a designated harvester companion card only.All game fishYear-roundStatewide min. size/daily limit.
Regulations for
46°12′24.5″N 119°45′58.7″W
Regulations in the map
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FAQ about Prosser fishing
🎣 Where to fish in Prosser, Washington?
Anglers in Prosser, WA recommend these top fishing spots: Yakima River, Corral Creek, Chandler Canal, and Badlands Lakes.
🐟 What fish can you catch in Prosser?
Most commonly caught species around Prosser, WA:
- Smallmouth bass - 3,139 reported catches
- Largemouth bass - 1,294 reported catches
- Walleye - 465 reported catches
- Channel catfish - 234 reported catches
- Chinook salmon - 191 reported catches
📢 What are the latest Prosser fishing reports?
The latest Prosser, WA fishing reports are:
- @nathanniederwerfer reported a nice Largemouth bass at Lake Umatilla.
- @nathanniederwerfer reported a nice Smallmouth bass at Lake Umatilla.
- @LeoTheHooker reported a nice Largemouth bass at I-82 Pond 6 (Buena Pond).
- @aaronpalomarez reported a nice Black crappie at Lake Umatilla.
- @aaronpalomarez reported a nice Largemouth bass at Alder Creek.
📅 What is the best time to go fishing in Prosser?
Download the and see today's Fishing and Weather Forecast for Prosser, WA. We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro, you will get the following capabilities:
- Plan smarter: Get hour-by-hour fishing weather conditions.
- Fish at peak times: Use BiteTime™ predictions to maximize catches.
- Stay ahead of the weather: Get hyper-local, real-time updates.
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