Mozingo Lake
Nodaway County, WisconsinLimited DataHypereutrophic
Mozingo Lake is a 1,009-acre highly nutrient-loaded hypereutrophic lake in Nodaway County, MO. Water quality is graded F based on 1 sampling years through 2022. Compared to the 4 other monitored lakes in Nodaway County, Mozingo Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-10-12. Grade methodology: LakeGrade methodology.
Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
No clarity data. Phosphorus level: 120 µg/L. Trophic State Index: 73.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 120 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 73 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1.0K acres |
Location
County Ranking
Ranked #5 of 5 lakes in Nodaway County
Cleaner Lakes Within 30 Miles
Mozingo Lake holds Grade F. 4 nearby lakes hold higher grades.
- CMozingo Lake Between ArmsNodaway County · 0.1 mi · Two grade letters higher (F → C)
- CHappy Holler LakeAndrew County · 22.6 mi · Two grade letters higher (F → C)
- DBilby Ranch LakeNodaway County · 18.6 mi · Higher grade (F → D)
- DNodaway LakeNodaway County · 6.7 mi · Higher grade (F → D)
Nearby Lakes in Nodaway 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)
Mozingo Lake is a man-made reservoir impounded by the Mozingo Creek Dam (completed 1992), built primarily for water supply on the MOZINGO CREEK; earth-type dam, 77 ft tall and 2,735 ft long.
- Surface area
- 1,009 ac
- Normal storage
- 1,275 ac-ft
- Max storage
- 1,275 ac-ft
- Drainage area
- 20.92 sq mi
- Hazard class
- High
- Owner
- CITY OF MARYVILLE
All listed purposes: Water Supply;Recreation;Flood Risk Reduction.
Source: USACE National Inventory of Dams, NID ID MO12277 · Operator website · Matched by proximity (0.27 km)
EPA Impairment Status
Mozingo 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_7402.00 · 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: 2022-10-12
Monitoring stations: 1