Poll Miller Park Lake
Lee County, WisconsinEutrophic
Poll Miller Park Lake is a 15-acre productive, nutrient-rich eutrophic lake in Lee County, IA. Water quality is graded C based on 2 sampling years through 2024.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-16. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 5.9 ft. Chlorophyll-a: 7.7 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.9 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 7.7 µg/L | B |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 15.2 acres |
Location
County Ranking
Ranked #1 of 1 lakes in Lee County
Cleaner Lakes Within 30 Miles
Poll Miller Park Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Lee County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Poll Miller Park Lake is a man-made reservoir impounded by the Pollmiller Park Dam (completed 1971), built primarily for recreation on the TR-PITTMAN CREEK; earth-type dam, 31 ft tall and 450 ft long.
- Surface area
- 15.2 ac
- Normal storage
- 190 ac-ft
- Max storage
- 243 ac-ft
- Drainage area
- 0.39 sq mi
- Hazard class
- Low
- Owner
- Lee County Conservation Board
Source: USACE National Inventory of Dams, NID ID IA00581 · Operator website
EPA Impairment Status
Poll Miller Park Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit IA 03-SKM-888 · Official waterbody report
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-16
Monitoring stations: 1