Fish Hook Lake
Becker County, Minnesota230 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Fish Hook Lake. Here is what has been measured.
- Mesotrophic
- 47 ft max depth
- Public access
- Limited data
Fish Hook Lake in Becker County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. 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.
Minnesota DNR's Targeted Survey on July 22, 2024 caught 5.00 walleye per gill net at Fish Hook Lake. DNR survey details →
Fish Hook Lake is a 230-acre mesotrophic lake in Becker County, Minnesota with a maximum depth of 47 feet. 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. Methodology: how these readings are compared.
What Fish Hook Lake is good for
From access and monitoring records, not editorial picks.
- Fishing10 species recorded
- Deep water47 ft surveyed max depth
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Fish Hook Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Fish Hook Lake
These are the measurements Minnesota PCA publishes for Fish Hook Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 9.5 ft. Phosphorus 18.5 µg/L. Chlorophyll-a 5.9 µg/L. TSI 46.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 9.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 18.5µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 5.9µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 46 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Fish Hook Lake
Answers come straight from the public measurements and survey records on this page.
Minnesota DNR's Targeted Survey on July 22, 2024 caught 5.00 walleye per gill net at Fish Hook Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Fish Hook Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
2 surveys on file from MN DNR Fisheries. Most recent: 2024-07-22 (Targeted Survey).
2 surveys on file · most recent 2024-07-22 (Targeted Survey)
| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Black Bullhead | 13.47 | 6–11 in 2024-07-22 | 0.41 lb |
| Hybrid Sunfish | 10.33 | 3–8 in 2024-07-22 | 0.16 lb |
| Bluegill | 10.19 | 3–8 in 2024-07-22 | 0.19 lb |
| Northern Pike | 7.18 | 14–21 in 2024-07-22 | 1.3 lb |
| Yellow Bullhead | 6.90 | 7–11 in 2024-07-22 | 0.4 lb |
| Yellow Perch | 4.83 | 0.18 lb |
CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.
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
Lake Details
Max depth
47 ft
Surface area
230 acres
Shoreline
4.1 mi
Littoral zone
58%
Share shallower than 15 ft
Public access
Yes
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
5 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,460 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Stays via Stay22
Stays near Fish Hook Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Fish Hook Lake
Water Quality Trend: Improving
Based on 6 years of monitoring (2020–2025).
Water clarity
Improving6 years
Phosphorus
Improving-13.83 µg/L/yr2 years
Chlorophyll-a
Improving-12.53 µg/L/yr2 years
Nearby Lakes in Becker County
Frequently asked questions about Fish Hook Lake
Where is Fish Hook Lake?
- Fish Hook Lake is a lake in Becker County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Fish Hook Lake?
- Fish Hook Lake in Becker County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. 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?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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.
What did the DNR fisheries survey find at Fish Hook Lake?
- Minnesota DNR's Targeted Survey on July 22, 2024 caught 5.00 walleye per gill net at Fish Hook Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Fish Hook Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Fish Hook Lake?
- Public access to Fish Hook Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.
Explore Fish Hook Lake across LakeQuality
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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)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder