Bakkens Pond
Sauk County, WisconsinEutrophic
Bakkens Pond earns a C — middle-of-the-pack water quality, with one or two parameters dragging the average down from a stronger grade. Clarity is the limiting factor — phosphorus is reasonable but suspended particles or algal cells keep water transparency below Wisconsin norms.
Eutrophic conditions are the baseline here: clarity drops noticeably in late summer, and dissolved oxygen near the bottom can become a concern. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. At 60 acres, Bakkens Pond sits below the Wisconsin median: a small water where shoreline activity has an outsized effect on water quality. Bakkens Pond sits at rank 6 of 11 in Sauk County, in the lower half of the local distribution.
Bakkens Pond has no invasive species recorded in Wisconsin state databases as of 2025, though prevention practices still apply at all access points. The state fisheries records do not list documented species for Bakkens Pond, which usually reflects a lack of formal fisheries survey work rather than an empty lake. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-10-29. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 2.5 ft of visibility. Phosphorus level: 23.3 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 ft | F |
| Phosphorus | 23.3 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 60 acres |
| Public Access | Yes |
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.047 m/yr | 5 |
| Phosphorus | ↓ Declining | +1.55 µg/L/yr | 5 |
Recreation & Access
Location
County Ranking
Ranked #6 of 11 lakes in Sauk County
Cleaner Lakes Within 30 Miles
Bakkens Pond holds Grade C. 5 nearby lakes hold higher grades.
- BCruson Slough LakeRichland County · mi · Higher grade (C → B)
- BBlack Hawk LakeIowa County · mi · Higher grade (C → B)
- CLong LakeSauk County · mi · Higher overall water quality score
- CKendal LakeIowa County · mi · Higher overall water quality score
- CWhite Mound LakeSauk County · mi · Higher overall water quality score
Nearby Lakes in Sauk County
More Wisconsin Lake Rankings
State Parks Near Bakkens Pond
Other Grade C Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Bakkens Pond is a man-made reservoir impounded by the Bakkens Pond (completed 1968), built primarily for other on the INLET TO LONG LAKE FLOWAGE; earth-type dam, 10 ft tall and 1,700 ft long.
- Surface area
- 60 ac
- Normal storage
- 60 ac-ft
- Max storage
- 300 ac-ft
- Drainage area
- 16.3 sq mi
- Hazard class
- Low
- Owner
- Wisconsin Department of Natural Resources
Source: USACE National Inventory of Dams, NID ID WI00879 · Operator website
EPA Impairment Status
Bakkens 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 WI10028530 · Official waterbody report · Matched by proximity (2.35 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
Fish and recreation data from Wisconsin DNR Lakes
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2025-10-29
Monitoring stations: 1
Where to stay near Bakkens Pond
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