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LakeQuality

Timber Lake

NR
Not yet rated
9.5 ft clear · Mesotrophic · 24 acres
Limited DataMesotrophic

Timber Lake in Oneida County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 9.5 ft visibility. Maximum depth: 28 ft. Surface area: 24 acres.

Wisconsin DNR lists Panfish as common on Timber Lake. DNR survey details →

Clarity
9.5 ft
Max depth
28 ft
Area
24 acres
Public access
Yes

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Why Timber Lake has no grade

We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Timber Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).

Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.

Sampling is run by WI DNR and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.

Timber Lake is a 24-acre lake in Oneida County, Wisconsin with a maximum depth of 28 feet. The lake supports 2 documented fish species including Panfish and Largemouth Bass. Public access is available.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-06-30. Grade methodology: LakeQuality methodology.

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Swimming Safety

Not rated

Limited data

Not rated for swimming — there is not enough monitoring data to judge this lake

Compare the safest swimming lakes near Rhinelander

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Water quality measurements for Timber Lake

These readings exist but are not enough for an A–F grade — see why.

Moderate clarity, visible to about 9.5 ft. Trophic State Index: 45.

MetricValueGrade
Water Clarity (Secchi Depth)9.5 ftNot graded
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)45Mesotrophic

Moderate nutrients, good water quality

Where to stay near Timber Lake

Compare lakeside cabins, hotels, and vacation rentals near Timber 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 Timber Lake

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Planning a whole trip? See where to stay at Wisconsin’s top lakes →

DNR fisheries survey

Wisconsin DNR lists Panfish as common on Timber Lake.

A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality does not assign an A–F grade on Timber Lake — official chemistry is on file, not a letter. 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)

Panfish(Common)Largemouth Bass(Common)

Lake Details

CharacteristicValue
Maximum Depth28 ft
Surface Area24 acres
Public AccessYes

Fish Species

Click a species to see every graded lake where it is documented.

Fishing Timber Lake

Graded lakes near Timber Lake

Timber Lake has no grade, but these lakes within a short drive do.

Nearby Lakes in Oneida County

Frequently asked questions about Timber Lake

Where is Timber Lake?

Timber Lake is a lake in Oneida County, Wisconsin. LakeQuality has not rated this lake (UNRATED) — there is not enough recent sampling to assign a letter.

What is the water quality grade for Timber Lake?

Timber Lake in Oneida County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 9.5 ft visibility. Maximum depth: 28 ft. Surface area: 24 acres.

Is Timber Lake safe to swim in?

Not rated for swimming — there is not enough monitoring data to judge this lake. Timber Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.

How deep is Timber Lake?

Timber Lake has a maximum depth of 28 feet. The lake covers 24 acres.

What fish are in Timber Lake?

Fish species found in Timber Lake include Panfish, Largemouth Bass. Timber Lake is located in Oneida County, Wisconsin.

What did the DNR fisheries survey find at Timber Lake?

Wisconsin DNR lists Panfish as common on Timber Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality does not assign an A–F grade on Timber Lake — official chemistry is on file, not a letter. Catch rate is not a swim clearance and is not a weekly bite report.

Where this data comes from

1 measurement from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX1 sample · 2025
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

Fish and recreation data from Wisconsin DNR Lakes