Archibald Lake
Oconto County, Wisconsin392 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Archibald Lake. Here is what has been measured.
- Oligotrophic
- 2 aquatic invasives
- 50 ft max depth
- Public access
Archibald Lake in Oconto County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 17.8 ft visibility. Phosphorus: 10.7 µg/L. Maximum depth: 50 ft. Surface area: 392 acres.
Wisconsin DNR lists Walleye as common on Archibald Lake. DNR survey details →
Archibald Lake is a 392-acre cold, clear oligotrophic lake in Oconto County, Wisconsin with a maximum depth of 50 feet. Water clarity is improving over recent sampling years. The lake supports 4 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 1 public boat landing. Compared to the 38 other monitored lakes in Oconto County, Archibald Lake ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-29. Methodology: how these readings are compared.
Archibald Lake covers about 390 acres in Oconto County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Archibald Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Archibald Lake is good for
From access and monitoring records, not editorial picks.
- Clear water17.8 ft of visibility
- Boat launch1 documented ramp
- Fishing4 species recorded
- Deep water50 ft surveyed max depth
Swimming conditions
Readings onlyLow algae
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 Archibald 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 Archibald Lake
These are the measurements Wisconsin DNR publishes for Archibald Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 17.8 ft down. Phosphorus 10.7 µg/L. TSI 37.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 17.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 10.7µg/L | Good 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. | 37 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Archibald Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Archibald Lake typically sits around 68°F at the surface in September. Summer average is about 74°F. Usually warmest in Jul (about 77°F) and coldest in May (about 65°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (65°F) to its warmest (77°F).
Typical surface water temperature by month, from 22 field readings (2024–2026) via the EPA Water Quality Portal. See the full Archibald Lake water temperature breakdown →
Blue-Green Algae (Cyanobacteria)
There’s no recent EPA CyAN cyanobacteria estimate for Archibald Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was low (7,870 cells/mL) on May 16, 2026.
Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗
Wisconsin DNR lists Walleye as common on Archibald Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Archibald Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is stable. 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 1986. 20 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
50 ft
Surface area
392 acres
Public access
Yes
Listed by Wisconsin DNR
Recreation & Access
- Archibald LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Archibald Lake
Compare lakeside cabins, hotels, and vacation rentals near Archibald Lake in Oconto 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 Archibald Lake
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Planning a whole trip? See where to stay at Wisconsin’s top lakes →
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Fish Species
Click a species to see every lake where it is documented.
Fishing Archibald Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: Stable
Based on 7 years of monitoring (2020–2026).
Water clarity
Improving7 years
Phosphorus
Worsening+2.75 µg/L/yr6 years
Nearby Lakes in Oconto County
Frequently asked questions about Archibald Lake
Where is Archibald Lake?
- Archibald Lake is a lake in Oconto County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Archibald Lake?
- Archibald Lake in Oconto County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 17.8 ft visibility. Phosphorus: 10.7 µg/L. Maximum depth: 50 ft. Surface area: 392 acres.
Is Archibald Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Archibald Lake?
- Archibald Lake typically sits around 68°F at the surface in September, from 22 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.
How deep is Archibald Lake?
- Archibald Lake has a maximum depth of 50 feet. The lake covers 392 acres.
What fish are in Archibald Lake?
- Fish species found in Archibald Lake include Musky, Panfish, Largemouth Bass, Walleye. Archibald Lake is located in Oconto County, Wisconsin.
What did the DNR fisheries survey find at Archibald Lake?
- Wisconsin DNR lists Walleye as common on Archibald Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Archibald Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.
Does Archibald Lake have blue-green algae?
- There is no recent EPA CyAN cyanobacteria estimate for Archibald Lake (clouds, ice, or an off-season gap). The most recent reading was low (7,870 cells/mL). Blue-green algae can appear and clear within days, so check Wisconsin's current advisory before swimming.
Are there boat ramps on Archibald Lake?
- Archibald Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Archibald Lake. Public access is listed as yes.
Can I fish at Archibald Lake?
- Archibald 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 Archibald Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
Fish species and the cleanest lakes across Wisconsin
Fish species and best lakes in Oconto County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its readings
Wisconsin's cleanest lakes, ranked on agency measurements
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Compare Archibald Lake With Nearby Lakes
Where this data comes from
90 measurements from 2 monitoring stations, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX90 samples · 2020–2026
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
Named boat-access points from the USGS National Boat Ramps inventory