Dinger Lake
Dinger Lake in Polk County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.2 ft visibility. Phosphorus: 22 µg/L.
- Clarity
- 6.2 ft
- Type
- Mesotrophic
- Trend
- → Stable
- Public access
- Yes
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Dinger Lake is a mesotrophic lake in Polk County, Wisconsin. Water quality is graded B based on 1 sampling years through 2024. Water clarity is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 54 other monitored lakes in Polk County, Dinger Lake ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2024-09-09. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Murky, only visible to about 6.2 ft. Phosphorus level: 22 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.2 ft | Not graded |
| Phosphorus | 22 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 50 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Dinger Lake
Compare lakeside cabins, hotels, and vacation rentals near Dinger Lake in Polk County, Wisconsin — 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.
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Recreation & Access
- Clam Falls FlowagePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Dinger Lake
Water Quality Trend: → Stable
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.5 m/yr | 2 |
| Phosphorus | ↑ Improving | -1.3 µg/L/yr | 2 |
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Dinger Lake under Clean Water Act (NPDES) discharge permits.
- Owens Farms IncLorain, Town Of · 4.8 mi away · NPDES WI0065862
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.
County Ranking
Ranked #23 of 55 lakes in Polk County
Nearby Lakes in Polk County
Frequently asked questions about Dinger Lake
Where is Dinger Lake?
- Dinger Lake is a lake in Polk County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Dinger Lake?
- Dinger Lake in Polk County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.2 ft visibility. Phosphorus: 22 µg/L.
Is Dinger Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Dinger Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
Are there boat ramps on Dinger Lake?
- Dinger Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Clam Falls Flowage. Public access is listed as yes.
Explore Dinger Lake across LakeQuality
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Fish species and best lakes in Polk County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its grade
Lakes in the St. Croix Watershed, ranked by water quality
Moderate nutrients, good water quality
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More Wisconsin Lake Rankings
State Parks Near Dinger Lake
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Where this data comes from
12 measurements from 2 monitoring stations, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX12 samples · 2023–2024
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (2)
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)
Named boat-access points from the USGS National Boat Ramps inventory