Fellows Lake
Greene County, WisconsinMesotrophic
Fellows Lake is a 812-acre mesotrophic lake in Greene County, MO. Water quality is graded B based on 3 sampling years through 2024. Compared to the 2 other monitored lakes in Greene County, Fellows Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-18. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 7.2 ft. Phosphorus level: 12 µg/L. Chlorophyll-a: 3.4 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.2 ft | C |
| Phosphorus | 12 µg/L | A |
| Chlorophyll-a (Algae) | 3.4 µg/L | A |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 812 acres |
Location
County Ranking
Ranked #1 of 3 lakes in Greene County
Nearby Lakes in Greene County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Fellows Lake is a man-made reservoir impounded by the Fellows Lake Dam (completed 1955), built primarily for water supply on the LITTLE SAC RIVER; earth-type dam, 102 ft tall and 1,500 ft long.
- Surface area
- 812 ac
- Normal storage
- 26,239 ac-ft
- Max storage
- 36,368 ac-ft
- Drainage area
- 20.09 sq mi
- Hazard class
- High
- Owner
- CITY OF SPRINGFIELD,MO
All listed purposes: Water Supply;Recreation.
Source: USACE National Inventory of Dams, NID ID MO20036 · Operator website
EPA Impairment Status
Fellows 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_7237.00 · 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: 2024-09-18
Monitoring stations: 2