Killarney Lake
Oneida County, Wisconsin293 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Killarney Lake. Here is what has been measured.
- 8 ft max depth
- Public access
- Limited data
Killarney Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 1.7 ft visibility. Maximum depth: 8 ft. Surface area: 293 acres.
Wisconsin DNR lists Panfish as present on Killarney Lake. DNR survey details →
Killarney Lake is a 293-acre lake in Oneida County, Wisconsin with a maximum depth of 8 feet. Overall water quality is improving over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-07-03. Methodology: how these readings are compared.
Killarney Lake covers about 290 acres in Oneida County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Killarney Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Killarney Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Fishing3 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Killarney 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 Killarney Lake
These are the measurements Wisconsin DNR publishes for Killarney Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1.7 ft of visibility. TSI 69.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.7ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| 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. | 69 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Killarney Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Panfish as present on Killarney Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Killarney Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
DNR Reports & Resources
Wisconsin DNR Fisheries scientists publish multi-year survey reports for Killarney Lake covering fish populations, stocking, water quality, and management. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- 2025Killarney Lake spring shocking survey, 2025Spring Shocking Survey · WI DNR · 2025 (PDF)
Lake Details
Max depth
8 ft
Surface area
293 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
26 sq mi
HydroLAKES / HydroSHEDS
Shoreline
5.3 mi
HydroLAKES / HydroSHEDS
Elevation
1,470 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Killarney Lake - SouthPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Killarney Lake
Compare lakeside cabins, hotels, and vacation rentals near Killarney Lake in Oneida 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.
Top-rated places to stay near Killarney Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Follow Killarney Lake’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Killarney Lake
Water quality readings over time
2 seasons of samples on record (2024–2025). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Reservoir Info (USACE NID)
Killarney Lake is a man-made reservoir impounded by the Little Rice River (completed 1961), built primarily for recreation on the LITTLE RICE; gravity-type dam, 15 ft tall and 400 ft long.
- Surface area
- 421 ac
- Normal storage
- 1,120 ac-ft
- Max storage
- 2,000 ac-ft
- Drainage area
- 32 sq mi
- Hazard class
- Low
- Owner
- Town of Little Rice
Source: USACE National Inventory of Dams, NID ID WI00165 · Operator website
Nearby Lakes in Oneida County
Frequently asked questions about Killarney Lake
Where is Killarney Lake?
- Killarney Lake is a lake in Oneida County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Killarney Lake?
- Killarney Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 1.7 ft visibility. Maximum depth: 8 ft. Surface area: 293 acres.
Is Killarney Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Killarney Lake?
- Killarney Lake has a maximum depth of 8 feet. The lake covers 293 acres.
What fish are in Killarney Lake?
- Fish species found in Killarney Lake include Panfish, Largemouth Bass, Northern Pike. Killarney Lake is located in Oneida County, Wisconsin.
What did the DNR fisheries survey find at Killarney Lake?
- Wisconsin DNR lists Panfish as present on Killarney Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Killarney Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Killarney Lake?
- Killarney Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Killarney Lake - South. Public access is listed as yes.
Can I fish at Killarney Lake?
- Killarney Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. 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 Killarney Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
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Species activity outlook by water temperature and season
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Where this data comes from
2 measurements from 1 monitoring station, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX2 samples · 2024–2025
Monitoring station identifiers (1)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory