Crow River Mill Pond
Kandiyohi County, MinnesotaLimited DataMesotrophic
Crow River Mill Pond comes in at a B on the grading rubric — a respectable showing for a Minnesota lake of its size and depth.
A TSI near 44 places Crow River Mill Pond in the mesotrophic band — moderate productivity, with seasonal swings between clearer spring water and richer late-summer conditions. Crow River Mill Pond is a shallow lake at 14 ft maximum depth, which means it warms quickly, mixes constantly, and amplifies nutrient inputs. With 2,290 acres of surface and 37.8 miles of shoreline, Crow River Mill Pond is a large water by Minnesota standards — recreational pressure is spread across a long shoreline. Among the 35 graded lakes in Kandiyohi County, Crow River Mill Pond ranks 7 — in the top quartile locally.
No invasive species are currently listed at Crow River Mill Pond — the lake remains off the Minnesota infested-waters roster. The fishery includes walleye among the lake's 13 documented species — a notable draw for Minnesota anglers. A documented public access point at Crow River Mill Pond makes the lake usable for shore fishing, paddle craft, and trailered boats. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-09-26. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 10.2 ft. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10.2 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 14 ft |
| Average Depth | 3.8 ft |
| Surface Area | 2.3K acres |
| Shoreline Length | 37.8 mi |
| Littoral Zone | 99% |
| Public Access | Yes |
Fish Species
Click a species to see all Minnesota and Wisconsin lakes where it is found.
→ Best fishing times for Crow River Mill Pond (14-day solunar calendar)
→ Is it safe to eat fish from Crow River Mill Pond? (mercury & PFAS guide)
→ Crow River Mill Pond fishing regulations (limits, seasons, special rules)
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.173 m/yr | 5 |
| Phosphorus | ↑ Improving | -1.2 µg/L/yr | 5 |
Location
County Ranking
Ranked #7 of 35 lakes in Kandiyohi County
Cleaner Lakes Within 30 Miles
Crow River Mill Pond holds Grade B. 3 nearby lakes hold higher grades.
Nearby Lakes in Kandiyohi County
More Minnesota Lake Rankings
State Parks Near Crow River Mill Pond
Other Grade B Lakes in Minnesota
Mesotrophic Lakes in Minnesota
Compare Crow River Mill Pond With Nearby Lakes
Kandiyohi County · Grade A
Kandiyohi County · Grade D
Kandiyohi County · Grade C
Kandiyohi County · Grade F
Kandiyohi County · Grade C
DNR Fisheries Survey Summary
7 surveys on file from MN DNR Fisheries. Most recent: 2023-06-08 (Targeted Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Black Bullhead | 25.60 | 0.19 lb |
| Yellow Bass | 13.99 | 0.24 lb |
| Brown Bullhead | 11.44 | 0.28 lb |
| Pumpkinseed | 8.00 | 0.17 lb |
| Bluegill | 7.69 | 0.21 lb |
| Northern Pike | 5.73 | 1.59 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.
Black Bullhead
Yellow Bass
Brown Bullhead
Pumpkinseed
From the 2023-06-08 survey
A targeted trapnet survey of Middle Fork Crow Reservoir "MFCR", also known as Monongalia or Mud Lake, was conducted in early June of 2023. The purpose of the survey was to determine the extent of a partial winterkill in February/March of 2023. Four lake survey trapnets were set at standard stations. At least one…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Crow River Mill Pond. 4 reports on file.
- —Fisheries Lake Survey — Lake MonongaliaFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Lake Monongalia (0848)Aquatic Plant Report · MN DNR LakeFinder
- —Fish Stocking History — Lake MonongaliaFish Stocking History · MN DNR LakeFinder
- —Public Water Access Sites — Lake MonongaliaPublic Water Access Sites · MN DNR LakeFinder
Reservoir Info (USACE NID)
Crow River Mill Pond is a man-made reservoir impounded by the New London (completed 1864), built primarily for recreation on the Crow River Middle Fork; earth-type dam, 22 ft tall and 13 ft long.
- Normal storage
- 7,025 ac-ft
- Max storage
- 13,371 ac-ft
- Drainage area
- 102 sq mi
- Hazard class
- High
- Owner
- MNDNR-Fisheries
Source: USACE National Inventory of Dams, NID ID MN00062 · Operator website · Matched by proximity (0.18 km)
EPA Impairment Status
Crow River Mill Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MN34-0158-04 · Official waterbody report · Matched by proximity (0.08 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Lake details from Minnesota DNR LakeFinder
Most recent sample: 2024-09-26
Monitoring stations: 1