Edwin A Pape Lake
Lafayette County, WisconsinHypereutrophic
Edwin A Pape Lake is a 284-acre highly nutrient-loaded hypereutrophic lake in Lafayette County, MO. Water quality is graded F based on 3 sampling years through 2023. Compared to the 1 other monitored lakes in Lafayette County, Edwin A Pape Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-08-03. 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 1.8 ft of visibility. Phosphorus level: 82 µg/L. Chlorophyll-a: 116.6 µg/L. Trophic State Index: 71.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.8 ft | F |
| Phosphorus | 82 µg/L | D |
| Chlorophyll-a (Algae) | 116.6 µg/L | F |
| Trophic State Index (TSI) | 71 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 284 acres |
Location
County Ranking
Ranked #1 of 2 lakes in Lafayette County
Cleaner Lakes Within 30 Miles
Edwin A Pape Lake holds Grade F. 4 nearby lakes hold higher grades.
- BRock Lake Village LakeJohnson County · 26.6 mi · Two grade letters higher (F → B)
- BLake ButeoJohnson County · 12.9 mi · Two grade letters higher (F → B)
- CKnob Noster S.P. Lake 2Johnson County · 12.7 mi · Two grade letters higher (F → C)
- DHazel Hill Lake by DamJohnson County · 12.2 mi · Higher grade (F → D)
Nearby Lakes in Lafayette County
More Wisconsin Lake Rankings
Other Grade F Lakes in Wisconsin
St. Louis County · Clarity: 1.6 ft
Jackson County · Clarity: 2 ft
St. Charles County · Clarity: 2.3 ft
St. Francois County · Clarity: 1.1 ft
Saline County · Clarity: 2.3 ft
Polk County · Clarity: 1.2 ft
Hypereutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Edwin A Pape Lake is a man-made reservoir impounded by the Edwin A. Pape Lake Dam (completed 1967), built primarily for water supply on the PEAVINE CREEK; earth-type dam, 40 ft tall and 2,000 ft long.
- Surface area
- 284 ac
- Normal storage
- 1,868 ac-ft
- Max storage
- 4,000 ac-ft
- Drainage area
- 8.59 sq mi
- Hazard class
- Low
- Owner
- CITY OF CONCORDIA
All listed purposes: Water Supply;Recreation.
Source: USACE National Inventory of Dams, NID ID MO20043 · Operator website
EPA Impairment Status
Edwin A Pape Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MO_7192.00 · 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: 2023-08-03
Monitoring stations: 1