Trestle Lake
Itasca County, Minnesota88 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Trestle Lake. Here is what has been measured.
- 48 ft max depth
- Public access
- Limited data
Trestle Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 12 ft visibility. Maximum depth: 48 ft. Surface area: 87.56 acres.
Minnesota DNR's Standard Survey on July 16, 1979 caught 2.00 northern pike per gill net at Trestle Lake. DNR survey details →
Trestle Lake is a 88-acre lake in Itasca County, Minnesota with a maximum depth of 48 feet. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2020-09-03. Methodology: how these readings are compared.
What Trestle Lake is good for
From access and monitoring records, not editorial picks.
- Clear water12 ft of visibility
- Deep water48 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 Trestle 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 Trestle Lake
These are the measurements Minnesota PCA publishes for Trestle 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 12 ft. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 12ft | 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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Trestle Lake
Answers come straight from the public measurements and survey records on this page.
Minnesota DNR's Standard Survey on July 16, 1979 caught 2.00 northern pike per gill net at Trestle Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Trestle 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: 1979-07-16 (Standard Survey).
1 survey on file · most recent 1979-07-16 (Standard Survey)
47 years old| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Bluegill | 5.25 | 0.39 lb | |
| Largemouth Bass | 5.00 | 1.18 lb | |
| Brown Bullhead | 4.50 | 0.96 lb | |
| Yellow Bullhead | 2.13 | 0.35 lb | |
| Northern Pike | 1.25 | 2.69 lb | |
| Smallmouth Bass | 1.13 | 1.25 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 1979-07-16 survey
Bass populations are higher than state and local medians. All other fish populations are within normal limits for this type of lake.
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Trestle Lake. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — TrestleFisheries Lake Survey · MN DNR LakeFinder
Lake Details
Max depth
48 ft
Surface area
88 acres
Shoreline
2.1 mi
Public access
Yes
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
29 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,306 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Stays via Stay22
Stays near Trestle Lake
Compare lakeside cabins, hotels, and vacation rentals near Trestle Lake in Itasca 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.
Top-rated places to stay near Trestle Lake
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Minnesota’s top lakes →
Follow Trestle Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Trestle Lake
Nearby Lakes in Itasca County
Frequently asked questions about Trestle Lake
Where is Trestle Lake?
- Trestle Lake is a lake in Itasca County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Trestle Lake?
- Trestle Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 12 ft visibility. Maximum depth: 48 ft. Surface area: 87.56 acres.
Is Trestle Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Trestle Lake?
- Trestle Lake has a maximum depth of 48 feet. The lake covers 87.56 acres.
What did the DNR fisheries survey find at Trestle Lake?
- Minnesota DNR's Standard Survey on July 16, 1979 caught 2.00 northern pike per gill net at Trestle Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Trestle Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Trestle Lake?
- Public access to Trestle 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.
Explore Trestle Lake across LakeQuality
Fish species and the cleanest lakes across Minnesota
Fish species and best lakes in Itasca County
Species activity outlook by water temperature and season
Where to stay at Minnesota's top lakes, each with its readings
Lakes in the Mississippi Headwaters, ranked by water quality
Lakes in the Rainy Lake Watershed, ranked by water quality
Minnesota's cleanest lakes, ranked on agency measurements
More lakes in Minnesota
State Parks Near Trestle Lake
Other Lakes in Minnesota
Mesotrophic Lakes in Minnesota
Where this data comes from
6 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA6 samples · 2020
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 size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder