Epping-Springbrook Dam-Littoral Lake is a 139-acre mesotrophic lake in Williams County, North Dakota with a maximum depth of 25 feet (10-foot average). Water quality is graded A based on 1 sampling years through 2023. Overall water quality is improving over recent sampling years. The lake supports 5 documented fish species including Northern Pike, Walleye, and Yellow Perch. Compared to the 8 other monitored lakes in Williams County, Epping-Springbrook Dam-Littoral Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, North Dakota DNR, last sampled 2023-07-15. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
No clarity data. Chlorophyll-a: 3.6 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 3.6 µg/L | A |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 25.4 ft |
| Average Depth | 9.5 ft |
| Surface Area | 139 acres |
| Shoreline Length | 6.2 mi |
Where to stay near Epping-Springbrook Dam-Littoral Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Epping-Springbrook Dam-Littoral Lake
Water Quality Trend: ↑ Improving
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.35 m/yr | 3 |
| Chlorophyll-a | ↑ Improving | -17.5 µg/L/yr | 2 |
Location
County Ranking
Ranked #1 of 9 lakes in Williams County
Nearby Lakes in Williams County
Explore Epping-Springbrook Dam-Littoral Lake across LakeGrade
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Fish species and best lakes in Williams County
Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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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
Most recent sample: 2023-07-15
Monitoring stations: 1