Glisezinski Lake
Glisezinski Lake in Portage County, Wisconsin has a water quality grade of B (Good). Water clarity: 9 ft visibility. Phosphorus: 16.4 µg/L. Maximum depth: 11 ft. Surface area: 35 acres.
Wisconsin DNR lists Panfish as present on Glisezinski Lake. DNR survey details →
- Clarity
- 9 ft
- Typical in July
- 78°F
- Max depth
- 11 ft
- Area
- 35 acres
- Type
- Mesotrophic
- Trend
- ↓ Declining
- Public access
- Yes
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Glisezinski Lake is a 35-acre mesotrophic lake in Portage County, Wisconsin with a maximum depth of 11 feet. Water quality is graded B based on 1 sampling years through 2026. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 2 public boat landings. Compared to the 13 other monitored lakes in Portage County, Glisezinski Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-07-12. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLow algae
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)
Moderate clarity, visible to about 9 ft. Phosphorus level: 16.4 µg/L. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9 ft | Not graded |
| Phosphorus | 16.4 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Glisezinski Lake
Compare lakeside cabins, hotels, and vacation rentals near Glisezinski Lake in Portage 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 Glisezinski Lake
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Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Water Temperature
Glisezinski Lake typically sits around 78°F at the surface in July. Summer average is about 78°F. Usually warmest in Jul (about 78°F) and coldest in Apr (about 49°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 24 field readings (2024–2026) via the EPA Water Quality Portal. See the full Glisezinski Lake water temperature breakdown →
Wisconsin DNR lists Panfish as present on Glisezinski Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Glisezinski Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 5 years of monitoring is declining. 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. Monitored by volunteers since 1994. 1 station on file (most recent sample 2026).
Fish Species (DNR-rated)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 11 ft |
| Surface Area | 35 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Glisezinski LakePublic
- Wadley LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Glisezinski Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.149 m/yr | 5 |
| Phosphorus | ↓ Declining | +1 µg/L/yr | 3 |
County Ranking
Ranked #5 of 14 lakes in Portage County
Nearby Lakes in Portage County
Frequently asked questions about Glisezinski Lake
Where is Glisezinski Lake?
- Glisezinski Lake is a lake in Portage County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Glisezinski Lake?
- Glisezinski Lake in Portage County, Wisconsin has a water quality grade of B (Good). Water clarity: 9 ft visibility. Phosphorus: 16.4 µg/L. Maximum depth: 11 ft. Surface area: 35 acres.
Is Glisezinski Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Glisezinski Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Glisezinski Lake?
- Glisezinski Lake typically sits around 78°F at the surface in July, from 24 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.
How deep is Glisezinski Lake?
- Glisezinski Lake has a maximum depth of 11 feet. The lake covers 35 acres.
What fish are in Glisezinski Lake?
- Fish species found in Glisezinski Lake include Panfish, Largemouth Bass, Northern Pike. Glisezinski Lake is located in Portage County, Wisconsin.
What did the DNR fisheries survey find at Glisezinski Lake?
- Wisconsin DNR lists Panfish as present on Glisezinski Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Glisezinski Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 5 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Glisezinski Lake?
- Glisezinski Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Glisezinski Lake, Wadley Lake. Public access is listed as yes.
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Moderate nutrients, good water quality
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Where this data comes from
45 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX45 samples · 2020–2026
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
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
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