Halverson Lake
Halverson Lake in Hubbard County, Minnesota has a water quality grade of A (Excellent). 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.
- Clarity
- 8.9 ft
- Typical in August
- 60°F
- Max depth
- 32 ft
- Area
- 21 acres
- Type
- Mesotrophic
- Trend
- ↑ Improving
- Public access
- Yes
Next lake in Hubbard County
Halverson Lake is a 21-acre mesotrophic lake in Hubbard County, Minnesota with a maximum depth of 32 feet. Water quality is graded A based on 2 sampling years through 2024. 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. Grade methodology: LakeGrade methodology.
Watch Halverson Lake water quality
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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.
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A (Excellent)
Moderate clarity, visible to about 8.9 ft. Phosphorus level: 19 µg/L. Chlorophyll-a: 6.9 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.9 ft | Not graded |
| Phosphorus | 19 µg/L | Good |
| Chlorophyll-a (Algae) | 6.9 µg/L | Good |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Halverson Lake
Compare lakeside cabins, hotels, and vacation rentals near Halverson Lake in Hubbard County, Minnesota — 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.
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Water Temperature
Halverson Lake typically sits around 60°F at the surface in August. 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.
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 →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 32 ft |
| Surface Area | 21 acres |
| Shoreline Length | 1.4 mi |
| Public Access | Yes |
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Halverson Lake
DNR Fisheries Survey Summary
3 surveys on file from MN DNR Fisheries. Most recent: 2017-07-05 (Standard Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Pumpkinseed | 37.05 | 0.1 lb |
| Black Crappie | 20.84 | 0.14 lb |
| Black Bullhead | 19.85 | 0.24 lb |
| Bluegill | 10.05 | 0.18 lb |
| Northern Pike | 2.88 | 2.34 lb |
| GOS | 2.34 | 0.07 lb |
CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.
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
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +2.61 m/yr | 2 |
| Phosphorus | ↓ Declining | +2 µg/L/yr | 2 |
| Chlorophyll-a | ↑ Improving | -1.4 µg/L/yr | 2 |
County Ranking
Ranked #48 of 68 lakes in Hubbard County
Nearby Lakes in Hubbard County
Frequently asked questions about Halverson Lake
What is the water quality grade for Halverson Lake?
- Halverson Lake in Hubbard County, Minnesota has a water quality grade of A (Excellent). 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?
- Excellent for swimming, crystal clear water with minimal algae. Halverson Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 6.9 µg/L. Always check local health department advisories before swimming.
What is the water temperature of Halverson Lake?
- Halverson Lake typically sits around 60°F at the surface in August, 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.
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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)
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 details from Minnesota DNR LakeFinder