Lake Serene
Franklin County, WisconsinEutrophic
Lake Serene is a 65-acre productive, nutrient-rich eutrophic lake in Franklin County, MO. Water quality is graded D based on 3 sampling years through 2024. Compared to the 4 other monitored lakes in Franklin County, Lake Serene ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-22. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 2.6 ft of visibility. Phosphorus level: 39.5 µg/L. Chlorophyll-a: 13.6 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.6 ft | F |
| Phosphorus | 39.5 µg/L | C |
| Chlorophyll-a (Algae) | 13.6 µg/L | C |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 65 acres |
Location
County Ranking
Ranked #4 of 5 lakes in Franklin County
Cleaner Lakes Within 30 Miles
Lake Serene holds Grade D. 5 nearby lakes hold higher grades.
- ACattails 2 LakeJefferson County · 4.6 mi · Two grade letters higher (D → A)
- ALake Wauwanoka Nr. DamJefferson County · 18.8 mi · Two grade letters higher (D → A)
- BCattails 1 LakeJefferson County · 4.5 mi · Two grade letters higher (D → B)
- BMarion ReservoirFranklin County · 3.5 mi · Two grade letters higher (D → B)
- CLake Tishomingo Nr. DamJefferson County · 12 mi · Higher grade (D → C)
Nearby Lakes in Franklin County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
St. Louis city County · Clarity: 2.3 ft
Shelby County · Clarity: 3.2 ft
Macon County · Clarity: 1.8 ft
Harrison County · Clarity: 1.7 ft
Stone County · Clarity: 2.3 ft
Knox County · Clarity: 2.1 ft
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Lake Serene is a man-made reservoir impounded by the Lake Serene Dam (completed 1957), built primarily for recreation on the TRIBUTARY OF CALVEY CREEK; earth-type dam, 42 ft tall and 1,175 ft long.
- Surface area
- 65 ac
- Normal storage
- 905 ac-ft
- Max storage
- 913 ac-ft
- Drainage area
- 1.47 sq mi
- Hazard class
- High
- Owner
- LAKE SERENE TRUSTEES
All listed purposes: Recreation;Flood Risk Reduction.
Source: USACE National Inventory of Dams, NID ID MO30542 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-22
Monitoring stations: 1