Arroda Lake is a 43-acre mesotrophic lake in Oliver County, North Dakota with a maximum depth of 37 feet (15-foot average). Water quality is graded B based on 2 sampling years through 2023. The lake supports 4 documented fish species including Northern Pike, Rainbow Trout, and Black Crappie. Compared to the 2 other monitored lakes in Oliver County, Arroda Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, North Dakota DNR, last sampled 2023-10-17. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 6.7 ft. Chlorophyll-a: 3 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.7 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 3 µg/L | A |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 36.7 ft |
| Average Depth | 14.8 ft |
| Surface Area | 43 acres |
| Shoreline Length | 1.7 mi |
Where to stay near Arroda Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Arroda Lake
Water Temperature
Arroda Lake averages about 65°F at the surface in summer, usually warmest in Jun (about 66°F) and coldest in Oct (about 50°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 12 field readings (2023–2023) via the EPA Water Quality Portal.
Location
County Ranking
Ranked #1 of 3 lakes in Oliver County
Cleaner Lakes Within 30 Miles
Arroda Lake holds Grade B. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Oliver County
Explore Arroda Lake across LakeGrade
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Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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Reservoir Info (USACE NID)
Arroda Lake is a man-made reservoir impounded by the Daub Dam (completed 1971), built primarily for recreation on the Missouri-TR; earth-type dam, 79 ft tall and 1,620 ft long.
- Surface area
- 43.4 ac
- Normal storage
- 732 ac-ft
- Max storage
- 1,346 ac-ft
- Drainage area
- 6.2 sq mi
- Hazard class
- Significant
- Owner
- ND Game & Fish
Source: USACE National Inventory of Dams, NID ID ND00372 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Depth, fish, and access data from North Dakota Game & Fish
Most recent sample: 2023-10-17
Monitoring stations: 1