Warsing Dam Lake
Eddy County, North Dakota51 acresView mapDirections
ND DEQ publishes the water-quality measurements for Warsing Dam Lake. Here is what has been measured.
- Eutrophic
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
- Limited data
Warsing Dam Lake in Eddy County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Water clarity: 2.3 ft visibility. Chlorophyll-a (algae): 25.7 µg/L. Surface area: 51 acres.
Warsing Dam Lake is a 51-acre productive, nutrient-rich eutrophic lake in Eddy County, North Dakota. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 1 other monitored lakes in Eddy County, Warsing Dam Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, NDDEQ, last sampled 2021-10-18. Methodology: how these readings are compared.
What Warsing Dam Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
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. Warsing Dam Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), sediment / turbidity. Check local advisories before you swim.
Whether Warsing Dam Lake is safe to swim in today is a call for the North Dakota Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Warsing Dam Lake
These are the measurements ND DEQ publishes for Warsing Dam Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 2.3 ft of visibility. Chlorophyll-a 25.7 µg/L. TSI 64.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 25.7µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 64 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Warsing Dam Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Warsing Dam Lake typically sits around 51°F at the surface in October. Summer average is about 66°F. Usually warmest in Aug (about 69°F) and coldest in Sep (about 48°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (48°F) to its warmest (69°F).
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 →
Lake Details
Surface area
51 acres
Public access
Yes
Listed by ND DEQ
No bathymetric survey has been published for Warsing Dam Lake, so its depth is not documented here.
Recreation & Access
- Warsing DamPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Warsing Dam Lake
Compare lakeside cabins, hotels, and vacation rentals near Warsing Dam Lake in Eddy County, North Dakota — 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Warsing Dam Lake are listed below.
Top-rated places to stay near Warsing Dam Lake
Prices for Oct 23–25, 4 adults. Change dates on the map below.
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Planning a whole trip? See where to stay at North Dakota’s top lakes →
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Fishing Warsing Dam Lake
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
Nearby Lakes in Eddy County
Frequently asked questions about Warsing Dam Lake
Where is Warsing Dam Lake?
- Warsing Dam Lake is a lake in Eddy County, North Dakota. Its water-quality measurements are published by ND DEQ and shown on this page as reported.
What is the water quality of Warsing Dam Lake?
- Warsing Dam Lake in Eddy County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Water clarity: 2.3 ft visibility. Chlorophyll-a (algae): 25.7 µg/L. Surface area: 51 acres.
Is Warsing Dam Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Warsing Dam Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), sediment / turbidity. Check local advisories before you swim.
What is the water temperature of Warsing Dam Lake?
- Warsing Dam Lake typically sits around 51°F at the surface in October, from 40 EPA Water Quality Portal field readings (2016–2021). That is a typical value for the month, not a live reading.
Are there boat ramps on Warsing Dam Lake?
- Warsing Dam Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Warsing Dam. Public access is listed as yes.
Can I fish at Warsing Dam Lake?
- Warsing Dam Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by North Dakota's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
20 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North Dakota Department Of Environmental Quality
21NDHDWQ_WQX20 samples · 2021
Analytical methods
- 447.0 ~ EPA; Chlorophyll a and b in phytoplankton by HPLC/UV
Monitoring station identifiers (1)
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
Impairment status from EPA ATTAINS 303(d) database
Depth, fish, and access data from North Dakota Game & Fish
Named boat-access points from the USGS National Boat Ramps inventory