Mill Lake
Becker County, Minnesota, near Detroit Lakes. DNR lake ID 03037700.
Mill Lake is a 154.5-acre lake in Becker County, Minnesota, near Detroit Lakes. Its deepest point reaches 10 ft, and about 100% of the lake is shallower than 15 feet. Summer water clarity averages 8.4 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. The DNR lists it for flowering rush, zebra mussel. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch.
Buying or selling on Mill Lake? Ask us what lakeshore here actually sells for, which stretches of shoreline buyers compete for, and what’s coming up before it’s listed.
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Quick facts
| DNR lake ID | 03037700 |
|---|---|
| County | Becker County, near Detroit Lakes |
| Surface area | 154.5 acres |
| Maximum depth | 10 ft |
| Share under 15 ft | 100% |
| Water clarity (summer) | 8.4 ft through 2023 |
| Phosphorus (summer) | 16.4 µg/L |
| Algae, chlorophyll-a (summer) | 2.9 µg/L |
| Nutrient class | Mesotrophic |
| Invasive species | flowering rush, zebra mussel |
| Public water accesses | 0 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2023: clarity 8.4 ft, phosphorus 16.4 µg/L, algae (chlorophyll-a) 2.9 µg/L. Using the Carlson trophic state index, Mill Lake rates as mesotrophic.
Fishing on Mill Lake
The most recent DNR standard fish survey was in 2005 (21 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 | 0.33 | 1.0 to 7.3 |
| Northern pike | gill | 17.33 | 1.5 to 7.0 |
| Northern pike | trap | 1.11 | n/a |
| Yellow perch | gill | 0.33 | 3.0 to 26.5 |
| Black crappie | gill | 0.67 | 1.5 to 14.7 |
| Black crappie | trap | 0.11 | 2.4 to 15.1 |
| Bluegill | gill | 8.67 | n/a |
| Bluegill | trap | 17.33 | 1.9 to 29.5 |
| Largemouth bass | gill | 2.33 | 0.5 to 1.0 |
| Largemouth bass | trap | 0.78 | 0.3 to 1.2 |
| Pumpkinseed | gill | 11.0 | n/a |
| Pumpkinseed | trap | 10.0 | 0.8 to 8.4 |
| Hybrid sunfish | gill | 0.67 | n/a |
| Hybrid sunfish | trap | 6.56 | n/a |
Walleye catch was below the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Largemouth bass 16.0 in (2005), Northern pike 26.0 in (2005), Walleye 20.0 in (2005).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Green sunfish, Bowfin, 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
On the Minnesota DNR infested waters list for: flowering rush (listed 2009), zebra mussel (listed 2014).
Public boat access
No public water access on DNR record.
Nearby lakes
- Buck Lake 0.9 mi, Becker County
- Sauer Lake 1.1 mi, Becker County
- Melissa Lake 1.3 mi, Becker County
- Hand Lake 1.3 mi, Otter Tail County
- Holbrook Lake 1.8 mi, Otter Tail County
- Meadow Lake 2.4 mi, Becker County
- Little Pelican Lake 2.5 mi, Otter Tail County
- Sallie Lake 3.2 mi, Becker County
Questions about Mill Lake
How deep is Mill Lake?
Mill Lake reaches a maximum depth of 10 ft according to Minnesota DNR records. About 100% of the lake is shallower than 15 feet.
How big is Mill Lake?
Mill Lake covers about 154.5 acres in Becker County, Minnesota.
How clear is Mill Lake?
Summer water clarity on Mill Lake averages 8.4 feet (Secchi depth) in MPCA monitoring through 2023. Its trophic state is mesotrophic.
Does Mill Lake have zebra mussels or other invasive species?
The Minnesota DNR infested waters list includes Mill Lake for flowering rush, zebra mussel.
What fish are in Mill Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, green sunfish, bowfin in Mill Lake. The most recent standard survey was in 2005.
Are there lake homes for sale on Mill Lake?
Homes on Mill 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 Mill Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Mill Lake?
Small, quiet water suited to paddling and fishing, about 100% shallow shoreline under 15 feet, and summer clarity around 8.4 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Mill Lake?
No lake-specific regulation was found for Mill Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Mill 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 2005), 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.