Mora Lake
Mora Lake in Kanabec County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 5 ft visibility. Maximum depth: 24 ft. Surface area: 75.08 acres.
- Clarity
- 5 ft
- Max depth
- 24 ft
- Area
- 75 acres
- Trend
- ↑ Improving
- Public access
- No
Next lake in Kanabec County
Why Mora Lake has no grade
We grade a lake only when its monitoring record clears the evidence bar: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Mora Lake, the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity. Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by MPCA and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Mora Lake is a 75-acre lake in Kanabec County, Minnesota with a maximum depth of 24 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. No public access — the lake is private or restricted.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2023-08-23. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Mora Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 5 ft. Trophic State Index: 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Mora Lake
Compare lakeside cabins, hotels, and vacation rentals near Mora Lake in Kanabec 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 Mora Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 24 ft |
| Surface Area | 75 acres |
| Shoreline Length | 3 mi |
| Public Access | No |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fishing Mora Lake
DNR Fisheries Survey Summary
1 survey on file from MN DNR Fisheries. Most recent: 1986-06-24 (Standard Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Black Bullhead | 19.63 | 0.12 lb |
| Yellow Perch | 12.25 | 0.12 lb |
| Black Crappie | 11.75 | 0.15 lb |
| Northern Pike | 4.75 | 2 lb |
| White Sucker | 4.00 | 0.78 lb |
| Pumpkinseed | 3.00 | 0.13 lb |
CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.
From the 1986-06-24 survey
BASED ON THEIR RESPECTIVE LOCAL MEDIANS, THE PRESENT FISH POPULATION OF MORA LAKE IS AS FOLLOWS THE NORTHERN PIKE WAS HIGH AT 9.25 PER GILLNET SET WITH A MEDIAN LENGTH OF 18.0-18.9 INCHES AND A MEAN WEIGHT OF 1.53 PDS. THE BLACK CRAPPIE WAS SLIGHTLY ABOVE THE LOCAL MEDIAN AT 22.00 FISH PER TRAPNET SET AND OF SMALL…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Mora Lake. 2 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — MoraFisheries Lake Survey · MN DNR LakeFinder
- —Fish Stocking History — MoraFish Stocking History · MN DNR LakeFinder
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.76 m/yr | 2 |
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Mora Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Mora WwtpMora · 0.9 mi away · NPDES MN0021156Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Graded lakes near Mora Lake
Mora Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Kanabec County
Frequently asked questions about Mora Lake
What is the water quality grade for Mora Lake?
- Mora Lake in Kanabec County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 5 ft visibility. Maximum depth: 24 ft. Surface area: 75.08 acres.
Is Mora Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Mora Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
How deep is Mora Lake?
- Mora Lake has a maximum depth of 24 feet. The lake covers 75.08 acres.
Explore Mora Lake across LakeGrade
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Where this data comes from
7 measurements from 1 monitoring station, 2022–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA7 samples · 2022–2023
Analytical methods
- Field measurement/observation, generic method
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder