Fish Hook Lake
Fish Hook Lake in Becker County, Minnesota has a water quality grade of A (Excellent). Water clarity: 9.5 ft visibility. Phosphorus: 18.5 µg/L. Chlorophyll-a (algae): 5.9 µg/L. Maximum depth: 47 ft. Surface area: 230.46 acres.
- Clarity
- 9.5 ft
- Max depth
- 47 ft
- Area
- 230 acres
- Type
- Mesotrophic
- Trend
- ↑ Improving
- Public access
- Yes
Next lake in Becker County
Fish Hook Lake is a 230-acre mesotrophic lake in Becker County, Minnesota with a maximum depth of 47 feet. Water quality is graded A based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. The lake supports 10 documented fish species including black bullhead, black crappie, and bluegill. Public access is available. Compared to the 83 other monitored lakes in Becker County, Fish Hook Lake ranks #39 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-08. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A (Excellent)
Moderate clarity, visible to about 9.5 ft. Phosphorus level: 18.5 µg/L. Chlorophyll-a: 5.9 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.5 ft | Not graded |
| Phosphorus | 18.5 µg/L | Good |
| Chlorophyll-a (Algae) | 5.9 µg/L | Good |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Fish Hook Lake
Compare lakeside cabins, hotels, and vacation rentals near Fish Hook Lake in Becker County, Minnesota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 47 ft |
| Surface Area | 230 acres |
| Shoreline Length | 4.1 mi |
| Littoral Zone | 58% |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Fish Hook Lake
DNR Fisheries Survey Summary
2 surveys on file from MN DNR Fisheries. Most recent: 2024-07-22 (Targeted Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Black Bullhead | 13.47 | 0.41 lb |
| Hybrid Sunfish | 10.33 | 0.16 lb |
| Bluegill | 10.19 | 0.19 lb |
| Northern Pike | 7.18 | 1.3 lb |
| Yellow Bass | 6.90 | 0.4 lb |
| Yellow Perch | 4.83 | 0.18 lb |
CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
Black Bullhead
Hybrid Sunfish
Bluegill
Northern Pike
From the 2024-07-22 survey
Net Lake is a 230-acre lake located in northern Becker County approximately 3 miles east of White Earth. It has an average water clarity of ten feet and a maximum depth of 47 feet. Submerged and floating vegetation is common throughout near shore areas. A targeted fisheries survey was completed on Net Lake in July…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Fish Hook Lake. 4 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — NetFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Net (1024)Aquatic Plant Report · MN DNR LakeFinder
- —Fish Stocking History — NetFish Stocking History · MN DNR LakeFinder
- —Public Water Access Sites — NetPublic Water Access Sites · MN DNR LakeFinder
Water Quality Trend: ↑ Improving
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.089 m/yr | 6 |
| Phosphorus | ↑ Improving | -13.83 µg/L/yr | 2 |
| Chlorophyll-a | ↑ Improving | -12.53 µg/L/yr | 2 |
County Ranking
Ranked #39 of 84 lakes in Becker County
Nearby Lakes in Becker County
Frequently asked questions about Fish Hook Lake
What is the water quality grade for Fish Hook Lake?
- Fish Hook Lake in Becker County, Minnesota has a water quality grade of A (Excellent). Water clarity: 9.5 ft visibility. Phosphorus: 18.5 µg/L. Chlorophyll-a (algae): 5.9 µg/L. Maximum depth: 47 ft. Surface area: 230.46 acres.
Is Fish Hook Lake safe to swim in?
- Excellent for swimming, crystal clear water with minimal algae. Fish Hook Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 5.9 µg/L. Always check local health department advisories before swimming.
How deep is Fish Hook Lake?
- Fish Hook Lake has a maximum depth of 47 feet. The lake covers 230.46 acres.
What fish are in Fish Hook Lake?
- Fish species found in Fish Hook Lake include black bullhead, black crappie, bluegill, brown bullhead, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, yellow bullhead. Fish Hook Lake is located in Becker County, Minnesota.
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Where this data comes from
34 measurements from 2 monitoring stations, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Chippewa Tribe, Minnesota (White Earth Band) (Tribal)
WEARTH_WQX34 samples · 2025
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- Turbidity by Nephelometry
Monitoring station identifiers (2)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder