Epping-Springbrook Dam-S Inlet Lake is a 139-acre productive, nutrient-rich eutrophic lake in Williams County, North Dakota with a maximum depth of 25 feet (10-foot average). Water quality is graded C based on 1 sampling years through 2023. 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-S Inlet Lake ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, North Dakota DNR, last sampled 2023-07-16. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
No clarity data. Chlorophyll-a: 18.2 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 18.2 µg/L | C |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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-S Inlet Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Epping-Springbrook Dam-S Inlet Lake
Location
County Ranking
Ranked #6 of 9 lakes in Williams County
Cleaner Lakes Within 30 Miles
Epping-Springbrook Dam-S Inlet Lake holds Grade C. 2 nearby lakes hold higher grades.
Nearby Lakes in Williams County
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High nutrients, frequent algae, reduced clarity
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Other Grade C Lakes in North Dakota
Mountrail County · Clarity: 3 ft
Mountrail County · Clarity: 3.9 ft
Mountrail County · Clarity: 5.6 ft
Burke County · Clarity: 3.8 ft
Mountrail County · Clarity: 2.1 ft
Stark County · Clarity: 3.8 ft
Eutrophic Lakes in North Dakota
More records, surveys & data sources
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: 2023-07-16
Monitoring stations: 1