Warsing Dam Lake is a 51-acre productive, nutrient-rich eutrophic lake in Eddy County, North Dakota with a maximum depth of 23 feet (9-foot average). Water quality is graded D based on 2 sampling years through 2021. The lake supports 4 documented fish species including Northern Pike, Walleye, and Yellow Perch. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, North Dakota DNR, last sampled 2021-10-18. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 2.3 ft of visibility. Chlorophyll-a: 25.7 µg/L. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 25.7 µg/L | D |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 22.7 ft |
| Average Depth | 9 ft |
| Surface Area | 51 acres |
| Shoreline Length | 3.1 mi |
| Public Access | Yes |
Where to stay near Warsing Dam Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Warsing Dam Lake
Recreation & Access
Water Temperature
Warsing Dam Lake averages about 66°F at the surface in summer, usually warmest in Aug (about 69°F) and coldest in Sep (about 48°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 40 field readings (2016–2021) via the EPA Water Quality Portal. See the full Warsing Dam Lake water temperature breakdown →
Location
County Ranking
Ranked #1 of 1 lakes in Eddy County
Cleaner Lakes Within 30 Miles
Warsing Dam Lake holds Grade D. 4 nearby lakes hold higher grades.
- CDevils LakeBenson County · 13.6 mi · Higher grade (D → C)
- CDevils LakeRamsey County · 17.8 mi · Higher grade (D → C)
- CEast Devils LakeRamsey County · 23.3 mi · Higher grade (D → C)
- DPelican LakeRamsey County · 21.5 mi · Higher overall water quality score
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Reservoir Info (USACE NID)
Warsing Dam Lake is a man-made reservoir impounded by the Warsing Dam (completed 1961), built primarily for recreation on the Sheyenne River-TR; earth-type dam, 33 ft tall and 640 ft long.
- Surface area
- 51 ac
- Normal storage
- 594.7 ac-ft
- Max storage
- 1,264.7 ac-ft
- Drainage area
- 20 sq mi
- Hazard class
- Low
- Owner
- ND Game & Fish
Source: USACE National Inventory of Dams, NID ID ND00002 · Operator website
EPA Impairment Status
Warsing Dam Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit ND-09020202-001-L_00 · Official waterbody report
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
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: 2021-10-18
Monitoring stations: 1