Halverson Lake
Hubbard County, Minnesota21 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Halverson Lake. Here is what has been measured.
- Mesotrophic
- 32 ft max depth
- Public access
Halverson Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 8.9 ft visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 6.9 µg/L. Maximum depth: 32 ft. Surface area: 21.07 acres.
Minnesota DNR's Standard Survey on July 5, 2017 caught 4.50 northern pike per gill net at Halverson Lake. Length samples in the latest survey that recorded them ran 10–32 inches. DNR survey details →
Halverson Lake is a 21-acre mesotrophic lake in Hubbard County, Minnesota with a maximum depth of 32 feet. Overall water quality is improving over recent sampling years. The lake supports 6 documented fish species including black bullhead, black crappie, and bluegill. Public access is available. Compared to the 67 other monitored lakes in Hubbard County, Halverson Lake ranks #48 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-09-25. Methodology: how these readings are compared.
What Halverson Lake is good for
From access and monitoring records, not editorial picks.
- Fishing6 species recorded
- Deep water32 ft surveyed max depth
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Halverson 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 Halverson Lake
These are the measurements Minnesota PCA publishes for Halverson Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 8.9 ft. Phosphorus 19 µg/L. Chlorophyll-a 6.9 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 19µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 6.9µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Halverson Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Halverson Lake typically sits around 58°F at the surface in September. Summer average is about 60°F. Usually warmest in Jul (about 61°F) and coldest in May (about 52°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (52°F) to its warmest (61°F).
Typical surface water temperature by month, from 93 field readings (2023–2024) via the EPA Water Quality Portal. See the full Halverson Lake water temperature breakdown →
Minnesota DNR's Standard Survey on July 5, 2017 caught 4.50 northern pike per gill net at Halverson Lake. Length samples in the latest survey that recorded them ran 10–32 inches.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Halverson Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
3 surveys on file from MN DNR Fisheries. Most recent: 2017-07-05 (Standard Survey).
3 surveys on file · most recent 2017-07-05 (Standard Survey)
| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Pumpkinseed | 37.05 | 3–7 in 2017-07-05 | 0.1 lb |
| Black Crappie | 20.84 | 3–9 in 2017-07-05 | 0.14 lb |
| Black Bullhead | 19.85 | 7–10 in 2017-07-05 | 0.24 lb |
| Bluegill | 10.05 | 3–8 in 2017-07-05 | 0.18 lb |
| Northern Pike | 2.88 | 10–32 in 2017-07-05 | 2.34 lb |
| Golden Shiner | 2.34 | 6 in 2017-07-05 | 0.07 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.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
Pumpkinseed
Black Crappie
Black Bullhead
Bluegill
From the 2017-07-05 survey
Halverson Lake is a small 21 acre lake located within the Paul Bunyan State Forest in northern Hubbard County. There is an undeveloped access with an earthen ramp located on the southeast shore of the lake. Due to its small size and low fertility, Halverson is very susceptible to over-harvest from angling. Anglers are…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Halverson Lake. 3 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — HalversonFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Halverson (1250)Aquatic Plant Report · MN DNR LakeFinder
- —Public Water Access Sites — HalversonPublic Water Access Sites · MN DNR LakeFinder
Lake Details
Max depth
32 ft
Surface area
21 acres
Shoreline
1.4 mi
Public access
Yes
Listed by Minnesota PCA
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Fish Species
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Fishing Halverson Lake
Water quality readings over time
2 seasons of samples on record (2023–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Phosphorus
Worsening+2 µg/L/yr2 years
Chlorophyll-a
Improving-1.4 µg/L/yr2 years
Nearby Lakes in Hubbard County
Frequently asked questions about Halverson Lake
Where is Halverson Lake?
- Halverson Lake is a lake in Hubbard County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Halverson Lake?
- Halverson Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 8.9 ft visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 6.9 µg/L. Maximum depth: 32 ft. Surface area: 21.07 acres.
Is Halverson Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Halverson Lake?
- Halverson Lake typically sits around 58°F at the surface in September, from 93 EPA Water Quality Portal field readings (2023–2024). That is a typical value for the month, not a live reading.
How deep is Halverson Lake?
- Halverson Lake has a maximum depth of 32 feet. The lake covers 21.07 acres.
What fish are in Halverson Lake?
- Fish species found in Halverson Lake include black bullhead, black crappie, bluegill, largemouth bass, northern pike, pumpkinseed. Halverson Lake is located in Hubbard County, Minnesota.
What did the DNR fisheries survey find at Halverson Lake?
- Minnesota DNR's Standard Survey on July 5, 2017 caught 4.50 northern pike per gill net at Halverson Lake. Length samples in the latest survey that recorded them ran 10–32 inches. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Halverson Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Halverson Lake?
- Public access to Halverson Lake is listed as yes on the lake record. 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
112 measurements from 1 monitoring station, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA112 samples · 2023–2024
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (1)
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 details from Minnesota DNR LakeFinder