Krans Lake
Isanti County, Minnesota35 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Krans Lake. Here is what has been measured.
- 31 ft max depth
- Limited data
Krans Lake in Isanti County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 1.5 ft visibility. Maximum depth: 31 ft. Surface area: 34.73 acres.
Minnesota DNR's Standard Survey on June 17, 2008 caught 9.00 northern pike per gill net at Krans Lake. Length samples in the latest survey that recorded them ran 19–29 inches. DNR survey details →
Krans Lake is a 35-acre lake in Isanti County, Minnesota with a maximum depth of 31 feet. Overall water quality is declining over recent sampling years. The lake supports 9 documented fish species including black bullhead, black crappie, and bluegill. No public access — the lake is private or restricted.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-10-13. Methodology: how these readings are compared.
Krans Lake covers about 35 acres in Isanti County. For a place on the water, look through cabin and lake-house rentals near Krans Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Krans Lake is good for
From access and monitoring records, not editorial picks.
- Fishing9 species recorded
- Deep water31 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Krans 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 Krans Lake
These are the measurements Minnesota PCA publishes for Krans Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1.5 ft of visibility. TSI 71.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.5ft | 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. | 71 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Krans Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Krans Lake typically sits around 58°F at the surface in October. Summer average is about 74°F. Usually warmest in Jul (about 77°F) and coldest in Oct (about 58°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (58°F) to its warmest (77°F).
Typical surface water temperature by month, from 30 field readings (2023–2025) via the EPA Water Quality Portal. See the full Krans Lake water temperature breakdown →
Minnesota DNR's Standard Survey on June 17, 2008 caught 9.00 northern pike per gill net at Krans Lake. Length samples in the latest survey that recorded them ran 19–29 inches.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Krans Lake’s water-quality measurements separately, and the water-quality trend over 3 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
4 surveys on file from MN DNR Fisheries. Most recent: 2008-06-17 (Standard Survey).
4 surveys on file · most recent 2008-06-17 (Standard Survey)
18 years old| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Black Bullhead | 48.79 | 5–10 in 2008-06-17 | 0.1 lb |
| Bluegill | 25.52 | 4–8 in 2008-06-17 | 0.18 lb |
| Yellow Perch | 22.87 | 5–10 in 2008-06-17 | 0.19 lb |
| Black Crappie | 3.94 | 5–6 in 2008-06-17 | 0.15 lb |
| Pumpkinseed | 3.23 | 3–5 in 2008-06-17 | 0.14 lb |
| Northern Pike | 3.16 | 19–29 in 2008-06-17 | 2.58 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.
Black Bullhead
Bluegill
Yellow Perch
Black Crappie
From the 2008-06-17 survey
Krans Lake, located in Chisago and Isanti Counties, has a surface area of 42 acres and has been assigned to lake class 30. The lake is managed primarily for northern pike with bluegill sunfish, black crappie and largemouth bass as the secondary species. Low winter oxygen levels and winterkill cause great variaton in…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Krans Lake. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — KransFisheries Lake Survey · MN DNR LakeFinder
Lake Details
Max depth
31 ft
Surface area
35 acres
Shoreline
1 mi
Littoral zone
89%
Share shallower than 15 ft
Public access
No
Listed by Minnesota PCA
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Stays near Krans Lake
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Top-rated places to stay near Krans Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Krans Lake
Water quality readings over time
3 seasons of samples on record (2023–2025). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening3 years
Nearby Lakes in Isanti County
Frequently asked questions about Krans Lake
Where is Krans Lake?
- Krans Lake is a lake in Isanti County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Krans Lake?
- Krans Lake in Isanti County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 1.5 ft visibility. Maximum depth: 31 ft. Surface area: 34.73 acres.
Is Krans 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 Krans Lake?
- Krans Lake typically sits around 58°F at the surface in October, from 30 EPA Water Quality Portal field readings (2023–2025). That is a typical value for the month, not a live reading.
How deep is Krans Lake?
- Krans Lake has a maximum depth of 31 feet. The lake covers 34.73 acres.
What fish are in Krans Lake?
- Fish species found in Krans Lake include black bullhead, black crappie, bluegill, bowfin (dogfish), hybrid sunfish, northern pike, pumpkinseed, white sucker, yellow perch. Krans Lake is located in Isanti County, Minnesota.
What did the DNR fisheries survey find at Krans Lake?
- Minnesota DNR's Standard Survey on June 17, 2008 caught 9.00 northern pike per gill net at Krans Lake. Length samples in the latest survey that recorded them ran 19–29 inches. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Krans Lake’s water-quality measurements separately, and the water-quality trend over 3 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Krans Lake?
- Public access to Krans 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
31 measurements from 1 monitoring station, 2023–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA31 samples · 2023–2025
Analytical methods
- Field measurement/observation, generic method
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