Straight Lake
Becker County, Minnesota, near Osage. DNR lake ID 03001000.
Straight Lake is a 471.4-acre lake in Becker County, Minnesota, near Osage. Its deepest point reaches 63 ft, and about 38% of the lake is shallower than 15 feet. Summer water clarity averages 7.7 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. It is not on the DNR infested waters list as of September 2026. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch.
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Quick facts
| DNR lake ID | 03001000 |
|---|---|
| County | Becker County, near Osage |
| Surface area | 471.4 acres |
| Maximum depth | 63 ft |
| Mean depth | 15.0 ft |
| Share under 15 ft | 38% |
| Water clarity (summer) | 7.7 ft through 2021 |
| Phosphorus (summer) | 15.8 µg/L |
| Algae, chlorophyll-a (summer) | 10.5 µg/L |
| Nutrient class | Mesotrophic |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2021: clarity 7.7 ft, phosphorus 15.8 µg/L, algae (chlorophyll-a) 10.5 µg/L. Using the Carlson trophic state index, Straight Lake rates as mesotrophic.
Fishing on Straight Lake
The most recent DNR standard fish survey was in 2020 (6 years ago). Catch per net is compared with the DNR’s typical range for lakes of the same type.
| Species | Net | Catch per net | Typical range |
|---|---|---|---|
| Walleye | gill | 5.22 | 1.3 to 5.5 |
| Walleye | trap | 0.25 | 0.2 to 0.7 |
| Northern pike | gill | 14.89 | 3.1 to 8.5 |
| Northern pike | trap | 0.88 | n/a |
| Yellow perch | gill | 12.33 | 2.5 to 24.2 |
| Yellow perch | trap | 1.0 | 0.5 to 2.7 |
| Black crappie | gill | 1.67 | 0.5 to 2.7 |
| Black crappie | trap | 1.75 | 0.7 to 3.2 |
| Bluegill | gill | 15.33 | n/a |
| Bluegill | trap | 14.62 | 5.6 to 42.3 |
| Largemouth bass | gill | 0.22 | 0.3 to 1.2 |
| Largemouth bass | trap | 0.88 | 0.3 to 1.1 |
| Tullibee (cisco) | gill | 4.11 | 0.7 to 6.5 |
| Pumpkinseed | gill | 1.33 | n/a |
| Pumpkinseed | trap | 1.38 | 1.7 to 8.2 |
| Rock bass | gill | 0.44 | 0.3 to 2.0 |
| Rock bass | trap | 0.88 | 0.6 to 2.5 |
Walleye catch was within the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Northern pike 36.0 in (2020), Walleye 27.0 in (2020), Largemouth bass 17.0 in (2020), Smallmouth bass 19.0 in (2000).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Green sunfish, Tullibee (cisco), White sucker, Yellow bullhead, Brown bullhead, Black bullhead.
Fishing regulations
No lake-specific regulation found in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Regulations change. Confirm with the DNR before fishing.
Invasive species
Not on the Minnesota DNR infested waters list as of September 2026. That means no confirmed listing, not a guarantee the lake is free of invasive species.
Public boat access
- Straight Lake: 1 concrete slab launch ramp, 1 dock, 7 trailer spaces. In Osage on southeast side of Straight Lake. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Linbom Lake 6.4 mi, Becker County
- Shipman Lake 6.6 mi, Becker County
- Two Inlets Lake 6.7 mi, Becker County
- Knutson Lake 6.9 mi, Becker County
- Portage Lake 7.0 mi, Hubbard County
- Brush Lake 7.4 mi, Hubbard County
- Bass Lake 7.6 mi, Becker County
- Blueberry Lake 7.7 mi, Becker County
Questions about Straight Lake
How deep is Straight Lake?
Straight Lake reaches a maximum depth of 63 ft according to Minnesota DNR records. About 38% of the lake is shallower than 15 feet.
How big is Straight Lake?
Straight Lake covers about 471.4 acres in Becker County, Minnesota.
How clear is Straight Lake?
Summer water clarity on Straight Lake averages 7.7 feet (Secchi depth) in MPCA monitoring through 2021. Its trophic state is mesotrophic.
Does Straight Lake have zebra mussels or other invasive species?
Straight Lake is not on the Minnesota DNR infested waters list as of September 2026. That means there is no confirmed listing; it is not a guarantee the lake is free of invasive species.
What fish are in Straight Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rock bass, green sunfish in Straight Lake. The most recent standard survey was in 2020.
Where is the public boat access on Straight Lake?
Straight Lake has 1 public water access site on DNR record: Straight Lake.
How is the walleye population on Straight Lake?
In Minnesota DNR net surveys from 1990 to 2020, walleye numbers on Straight Lake ran mostly above the typical range for similar lakes. Nets measure how many fish a lake holds, not where they’re biting, so local guides are the best source for current fishing.
Are there lake homes for sale on Straight Lake?
Homes on Straight Lake come up for sale throughout the year, and some sell before they’re ever publicly advertised. Tell us what you’re looking for and our agents will run a custom search and send you matching homes on Straight Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Straight Lake?
A mid-size lake with room for boating and fishing, about 38% shallow shoreline under 15 feet, and summer clarity around 7.7 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Straight Lake?
No lake-specific regulation was found for Straight Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Straight Lake
Whether you’re buying, selling, or just curious, our team works Becker County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2020), DNR infested waters list (Sept 2026), Minnesota Rules 6264.0400 (April 2026), MPCA monitoring via the Water Quality Portal, DNR water access records (2023), LAGOS-US. Lakewide information from public data; it does not describe any specific property. Verify shoreline, bottom type, and depth at any frontage.