Harvey Dam Lake
Wells County, WisconsinEutrophic
Harvey Dam Lake is a 360-acre productive, nutrient-rich eutrophic lake in Wells County, ND. Water quality is graded C based on 2 sampling years through 2024. Compared to the 1 other monitored lakes in Wells County, Harvey Dam Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-10-16. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 5.4 ft. Chlorophyll-a: 6.8 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.4 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 6.8 µg/L | B |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 360 acres |
Location
County Ranking
Ranked #2 of 2 lakes in Wells County
Cleaner Lakes Within 30 Miles
Harvey Dam Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Wells County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Harvey Dam Lake is a man-made reservoir impounded by the Harvey Dam (completed 1920), built primarily for water supply on the Sheyenne River; earth-type dam, 35 ft tall and 690 ft long.
- Surface area
- 360 ac
- Normal storage
- 2,700 ac-ft
- Max storage
- 7,646 ac-ft
- Drainage area
- 534 sq mi
- Hazard class
- Significant
- Owner
- Wells County WRB
All listed purposes: Water Supply;Recreation.
Source: USACE National Inventory of Dams, NID ID ND00189 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-10-16
Monitoring stations: 1