Lake Williams is a 182-acre mesotrophic lake in Kidder County, North Dakota with a maximum depth of 31 feet (14-foot average). Water quality is graded B based on 2 sampling years through 2024. The lake supports 4 documented fish species including Northern Pike, Walleye, and Smallmouth Bass. Public access is available with 1 public boat landing. Compared to the 2 other monitored lakes in Kidder County, Lake Williams ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, North Dakota DNR, last sampled 2024-10-10. Grade methodology: LakeGrade methodology.
Watch Lake Williams water quality
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 4.7 ft. Chlorophyll-a: 1.5 µg/L. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.7 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 1.5 µg/L | A |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 30.5 ft |
| Average Depth | 14.1 ft |
| Surface Area | 182 acres |
| Shoreline Length | 1.9 mi |
| Public Access | Yes |
Where to stay near Lake Williams
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Lake Williams
Recreation & Access
Location
County Ranking
Ranked #1 of 3 lakes in Kidder County
Nearby Lakes in Kidder County
Explore Lake Williams across LakeGrade
Fish species and top-graded lakes across North Dakota
Fish species and best lakes in Kidder County
Species activity outlook by water temperature and season
Where to stay at North Dakota's top lakes, each with its grade
Moderate nutrients, good water quality
North Dakota's cleanest and most-polluted lakes, ranked
More North Dakota Lake Rankings
Other Grade B Lakes in North Dakota
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
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2024-10-10
Monitoring stations: 1