Lake Morris
Lake Morris in Waushara County, Wisconsin has a water quality grade of B (Good). Water clarity: 11 ft visibility. Phosphorus: 17.4 µg/L. Maximum depth: 40 ft. Surface area: 117 acres.
Wisconsin DNR rates Panfish as abundant on Lake Morris. DNR survey details →
- Clarity
- 11 ft
- Max depth
- 40 ft
- Area
- 117 acres
- Type
- Mesotrophic
- Trend
- ↓ Declining
- Public access
- Yes
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Lake Morris is a 117-acre mesotrophic lake in Waushara County, Wisconsin with a maximum depth of 40 feet. Water quality is graded B based on 1 sampling years through 2026. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 2 public boat landings. Compared to the 15 other monitored lakes in Waushara County, Lake Morris ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-22. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLow algae
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Good clarity, visible to about 11 ft. Phosphorus level: 17.4 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | Not graded |
| Phosphorus | 17.4 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lake Morris
Compare lakeside cabins, hotels, and vacation rentals near Lake Morris in Waushara 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 Lake Morris
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Wisconsin DNR rates Panfish as abundant on Lake Morris.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Lake Morris B from EPA Water Quality Portal chemistry, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1986. 15 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 40 ft |
| Surface Area | 117 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Mt. Morris Town ParkPublic
- 20th DrivePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Lake Morris
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: ↓ Declining
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.843 m/yr | 6 |
| Phosphorus | → Stable | -0.06 µg/L/yr | 7 |
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Lake Morris under Clean Water Act (NPDES) discharge permits.
- Klemp Industrial LlcMarion · 1.3 mi away · NPDES WI0055212
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
County Ranking
Ranked #7 of 16 lakes in Waushara County
Nearby Lakes in Waushara County
Frequently asked questions about Lake Morris
Where is Lake Morris?
- Lake Morris is a lake in Waushara County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Morris?
- Lake Morris in Waushara County, Wisconsin has a water quality grade of B (Good). Water clarity: 11 ft visibility. Phosphorus: 17.4 µg/L. Maximum depth: 40 ft. Surface area: 117 acres.
Is Lake Morris safe to swim in?
- Good for swimming, clear water with low algae levels. Lake Morris has a water quality grade of B (Good). Always check local health department advisories before swimming.
How deep is Lake Morris?
- Lake Morris has a maximum depth of 40 feet. The lake covers 117 acres.
What fish are in Lake Morris?
- Fish species found in Lake Morris include Panfish, Largemouth Bass, Northern Pike. Lake Morris is located in Waushara County, Wisconsin.
What did the DNR fisheries survey find at Lake Morris?
- Wisconsin DNR rates Panfish as abundant on Lake Morris. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Lake Morris B from EPA Water Quality Portal chemistry, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Lake Morris?
- Lake Morris has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Mt. Morris Town Park, 20th Drive. Public access is listed as yes.
Explore Lake Morris across LakeQuality
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Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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State Parks Near Lake Morris
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Where this data comes from
147 measurements from 5 monitoring stations, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX147 samples · 2020–2026
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (5)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
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