Lake Lemon
Monroe County, WisconsinLimited DataEutrophic
Lake Lemon is a 1,650-acre productive, nutrient-rich eutrophic lake in Monroe County, IN. Water quality is graded F based on 1 sampling years through 2023. Compared to the 6 other monitored lakes in Monroe County, Lake Lemon ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-07-26. Grade methodology: LakeGrade methodology.
Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 2.1 ft of visibility. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 66 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1.6K acres |
Location
County Ranking
Ranked #7 of 7 lakes in Monroe County
Cleaner Lakes Within 30 Miles
Lake Lemon holds Grade F. 5 nearby lakes hold higher grades.
- BWwu180 LakeMonroe County · 4.7 mi · Two grade letters higher (F → B)
- BWwu-17 LakeMonroe County · 6.3 mi · Two grade letters higher (F → B)
- BWel-06 LakeBrown County · 7.2 mi · Two grade letters higher (F → B)
- CWwl-01 LakeMonroe County · 8.2 mi · Two grade letters higher (F → C)
- CWel-07 LakeMonroe County · 15.6 mi · Two grade letters higher (F → C)
Nearby Lakes in Monroe County
More Wisconsin Lake Rankings
Other Grade F Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Lake Lemon is a man-made reservoir impounded by the Lake Lemon Dam (completed 1952), built primarily for water supply on the BEANBLOSSOM CREEK; earth-type dam, 51 ft tall and 660 ft long.
- Surface area
- 1,650 ac
- Normal storage
- 13,300 ac-ft
- Max storage
- 45,700 ac-ft
- Drainage area
- 70.9 sq mi
- Hazard class
- High
- Owner
- Bob Madden
All listed purposes: Water Supply;Recreation.
Source: USACE National Inventory of Dams, NID ID IN00010 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-07-26
Monitoring stations: 1