Iverson Lake
Otter Tail County, Minnesota68 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Iverson Lake. Here is what has been measured.
- 18 ft max depth
- Limited data
Iverson Lake in Otter Tail County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 13.8 ft visibility. Maximum depth: 18 ft. Surface area: 67.87 acres.
Minnesota DNR's Standard Survey on June 12, 1985 caught 4.00 walleye per gill net at Iverson Lake. DNR survey details →
Iverson Lake is a 68-acre lake in Otter Tail County, Minnesota with a maximum depth of 18 feet. The lake supports 6 documented fish species including black bullhead, bluegill, and northern pike. No public access — the lake is private or restricted.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2022-08-08. Methodology: how these readings are compared.
What Iverson Lake is good for
From access and monitoring records, not editorial picks.
- Clear water13.8 ft of visibility
- Fishing6 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Iverson Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Iverson Lake
These are the measurements Minnesota PCA publishes for Iverson Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 13.8 ft. TSI 39.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 13.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 39 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Iverson Lake
Answers come straight from the public measurements and survey records on this page.
Minnesota DNR's Standard Survey on June 12, 1985 caught 4.00 walleye per gill net at Iverson Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Iverson Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
1 survey on file from MN DNR Fisheries. Most recent: 1985-06-12 (Standard Survey).
1 survey on file · most recent 1985-06-12 (Standard Survey)
41 years old| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Bluegill | 376.33 | 0.08 lb | |
| Pumpkinseed | 22.75 | 0.08 lb | |
| Yellow Bullhead | 4.67 | 0.47 lb | |
| Walleye | 3.00 | 1.91 lb |
CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.
From the 1985-06-12 survey
Bluegill catch per trap net lift increased from 34.3 per net in the 1982 survey to 690.0 per net. Average weight per bluegill decreased from 0.22 lb. in 1982 to .09 lb. Walleye fry stocking has been very successful. The 1981 and 1983 year classes were well represented in the sample. Average weight of walleye was just…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Iverson Lake. 2 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — IversonFisheries Lake Survey · MN DNR LakeFinder
- —Fish Stocking History — IversonFish Stocking History · MN DNR LakeFinder
Lake Details
Max depth
18 ft
Surface area
68 acres
Shoreline
1.6 mi
Littoral zone
91%
Share shallower than 15 ft
Public access
No
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
2 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,175 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
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Fish Species
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Fishing Iverson Lake
Nearby Lakes in Otter Tail County
Frequently asked questions about Iverson Lake
Where is Iverson Lake?
- Iverson Lake is a lake in Otter Tail County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Iverson Lake?
- Iverson Lake in Otter Tail County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 13.8 ft visibility. Maximum depth: 18 ft. Surface area: 67.87 acres.
Is Iverson Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Iverson Lake?
- Iverson Lake has a maximum depth of 18 feet. The lake covers 67.87 acres.
What fish are in Iverson Lake?
- Fish species found in Iverson Lake include black bullhead, bluegill, northern pike, pumpkinseed, walleye, yellow perch. Iverson Lake is located in Otter Tail County, Minnesota.
What did the DNR fisheries survey find at Iverson Lake?
- Minnesota DNR's Standard Survey on June 12, 1985 caught 4.00 walleye per gill net at Iverson Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Iverson Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Iverson Lake?
- Public access to Iverson Lake is listed as no on the lake record, so confirm before you make the trip. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
2 measurements from 2 monitoring stations, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Department of Agriculture - Pesticide Monitoring
MNDA_PESTICIDE1 sample · 2022 - Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA1 sample · 2022
Analytical methods
- Field measurement/observation, generic method
Monitoring station identifiers (2)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder