Hooker Lake is a 38-acre mesotrophic lake in Rolette County, North Dakota with a maximum depth of 25 feet (15-foot average). Water quality is graded B based on 1 sampling years through 2025. The lake supports 2 documented fish species including Rainbow Trout and Tiger Trout. Public access is available with 1 public boat landing. Compared to the 13 other monitored lakes in Rolette County, Hooker Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, North Dakota DNR, last sampled 2025-10-01. Grade methodology: LakeGrade methodology.
Watch Hooker Lake water quality
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 12.2 ft. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.2 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 25.4 ft |
| Average Depth | 14.5 ft |
| Surface Area | 38 acres |
| Shoreline Length | 1 mi |
| Public Access | Yes |
Where to stay near Hooker Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Hooker Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Source: USGS Nonindigenous Aquatic Species (NAS) Database. Hover a chip to see scientific name, ecological context, status, and first-observed year.
Recreation & Access
Water Temperature
Hooker Lake averages about 70°F at the surface in summer, usually warmest in Jul (about 72°F) and coldest in May (about 57°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 14 field readings (2015–2025) via the EPA Water Quality Portal. See the full Hooker Lake water temperature breakdown →
Location
County Ranking
Ranked #3 of 14 lakes in Rolette County
Cleaner Lakes Within 30 Miles
Hooker Lake holds Grade B. One nearby lake has a higher grade.
Nearby Lakes in Rolette County
Explore Hooker Lake across LakeGrade
Fish species and top-graded lakes across North Dakota
Fish species and best lakes in Rolette County
Species activity outlook by water temperature and season
Where to stay at North Dakota's top lakes, each with its grade
Moderate nutrients, good water quality
North Dakota's cleanest and most-polluted lakes, ranked
More North Dakota Lake Rankings
Other Grade B Lakes in North Dakota
Mesotrophic Lakes in North Dakota
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Depth, fish, and access data from North Dakota Game & Fish
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2025-10-01
Monitoring stations: 1