Omer Lake
Polk County, Wisconsin19 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Omer Lake. Here is what has been measured.
- Eutrophic
- Public access
- Limited data
Omer Lake in Polk County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 5 ft visibility. Phosphorus: 66.6 µg/L. Surface area: 19 acres.
Omer Lake is a 19-acre productive, nutrient-rich eutrophic lake in Polk County, Wisconsin. Water clarity is declining over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 54 other monitored lakes in Polk County, Omer Lake ranks #53 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2024-09-10. Methodology: how these readings are compared.
Omer Lake covers about 19 acres in Polk County. For a place on the water, look through cabin and lake-house rentals near Omer Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Omer Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Omer Lake
These are the measurements Wisconsin DNR publishes for Omer Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 5 ft. Phosphorus 66.6 µg/L. TSI 59.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 66.6µg/L | Poor GoodFairPoor |
| 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. | 59 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Omer Lake
Answers come straight from the public measurements and survey records on this page.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2024).
Lake Details
Surface area
19 acres
Public access
Yes
Listed by Wisconsin DNR
No bathymetric survey has been published for Omer Lake, so its depth is not documented here.
Stays via Stay22
Stays near Omer Lake
Compare lakeside cabins, hotels, and vacation rentals near Omer 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Omer Lake are listed below.
Top-rated places to stay near Omer Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Fishing Omer Lake
Water quality readings over time
2 seasons of samples on record (2023–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Phosphorus
Improving-5.5 µg/L/yr2 years
Nearby Lakes in Polk County
Frequently asked questions about Omer Lake
Where is Omer Lake?
- Omer Lake is a lake in Polk County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Omer Lake?
- Omer Lake in Polk County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 5 ft visibility. Phosphorus: 66.6 µg/L. Surface area: 19 acres.
Is Omer Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Omer Lake?
- Public access to Omer Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.
Explore Omer Lake across LakeQuality
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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)
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
Fish and recreation data from Wisconsin DNR Lakes