Port Hudson Lake
Franklin County, WisconsinMesotrophic
Port Hudson Lake is a 55-acre mesotrophic lake in Franklin County, MO. Water quality is graded C based on 3 sampling years through 2022. Compared to the 4 other monitored lakes in Franklin County, Port Hudson Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-08-18. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 6.1 ft. Phosphorus level: 20.8 µg/L. Chlorophyll-a: 7.5 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.1 ft | D |
| Phosphorus | 20.8 µg/L | B |
| Chlorophyll-a (Algae) | 7.5 µg/L | B |
| Trophic State Index (TSI) | 50 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 55 acres |
Location
County Ranking
Ranked #2 of 5 lakes in Franklin County
Cleaner Lakes Within 30 Miles
Port Hudson Lake holds Grade C. 2 nearby lakes hold higher grades.
- BSeetal LakeGasconade County · 17.2 mi · Higher grade (C → B)
- BSherwood Lake Nr. DamWarren County · 20.1 mi · Higher grade (C → B)
Nearby Lakes in Franklin County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Warren County · Clarity: 3.8 ft
Ralls County · Clarity: 3.7 ft
Warren County · Clarity: 3.3 ft
Platte County · Clarity: 4.7 ft
Barry County · Clarity: 5 ft
Phelps County · Clarity: 4.9 ft
Mesotrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Port Hudson Lake is a man-made reservoir impounded by the Port Hudson Lake Dam (completed 1992), built primarily for fish and wildlife pond on the CEDAR FORK; earth-type dam, 48 ft tall and 1,080 ft long.
- Surface area
- 55 ac
- Normal storage
- 663 ac-ft
- Max storage
- 663 ac-ft
- Drainage area
- 1.63 sq mi
- Hazard class
- High
- Owner
- MO DEPT OF CONSERVATION
All listed purposes: Fish and Wildlife Pond;Recreation.
Source: USACE National Inventory of Dams, NID ID MO31981 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-08-18
Monitoring stations: 2