Morgan Lake
Morgan Lake in Florence County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 8.6 ft visibility. Maximum depth: 10 ft. Surface area: 44 acres.
- Clarity
- 8.6 ft
- Max depth
- 10 ft
- Area
- 44 acres
- Trend
- ↓ Declining
- Public access
- Yes
Next lake in Florence County
Why Morgan Lake has no grade
We grade a lake only when its monitoring record clears the evidence bar: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Morgan Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by WI DNR and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Morgan Lake is a 44-acre lake in Florence County, Wisconsin with a maximum depth of 10 feet. Overall water quality is declining over recent sampling years. The lake supports 1 documented fish species including Largemouth Bass. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2023-08-22. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Morgan Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Moderate clarity, visible to about 8.6 ft. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.6 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Morgan Lake
Compare lakeside cabins, hotels, and vacation rentals near Morgan Lake in Florence County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Morgan Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 10 ft |
| Surface Area | 44 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Morgan LakePublic
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Morgan Lake
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. 2 stations on file (most recent sample 2016).
Fish Species (DNR-rated)
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -1.95 m/yr | 2 |
Graded lakes near Morgan Lake
Morgan Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Florence County
Frequently asked questions about Morgan Lake
What is the water quality grade for Morgan Lake?
- Morgan Lake in Florence County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 8.6 ft visibility. Maximum depth: 10 ft. Surface area: 44 acres.
Is Morgan Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Morgan Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
How deep is Morgan Lake?
- Morgan Lake has a maximum depth of 10 feet. The lake covers 44 acres.
What fish are in Morgan Lake?
- Fish species found in Morgan Lake include Largemouth Bass. Morgan Lake is located in Florence County, Wisconsin.
Are there boat ramps on Morgan Lake?
- Morgan Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Morgan Lake. Public access is listed as yes.
Explore Morgan Lake across LakeGrade
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Where this data comes from
2 measurements from 1 monitoring station, 2021–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Eastern Regional Office
USFSEASTERN2 samples · 2021–2023
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory