Lake Tewaukon
Lake Tewaukon in Sargent County, North Dakota is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1116 acres.
- Area
- 1,116 acres
- Public access
- Yes
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Why Lake Tewaukon 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 Lake Tewaukon, no water-quality sampling on record for this lake.
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 NDDEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Tewaukon is a 1,116-acre lake in Sargent County, North Dakota. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, NDDEQ, last sampled recent years. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Tewaukon
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lake Tewaukon
Compare lakeside cabins, hotels, and vacation rentals near Lake Tewaukon in Sargent County, North Dakota — 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 Lake Tewaukon
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1,116 acres |
| Public Access | Yes |
No bathymetric survey has been published for Lake Tewaukon, so its depth is not documented here.
Recreation & Access
- Lake TewaukonPublic
- Lake TewaukonPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Tewaukon
Nearby Lakes in Sargent County
Frequently asked questions about Lake Tewaukon
Where is Lake Tewaukon?
- Lake Tewaukon is a lake in Sargent County, North Dakota. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Lake Tewaukon?
- Lake Tewaukon in Sargent County, North Dakota is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1116 acres.
Is Lake Tewaukon safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Tewaukon is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Lake Tewaukon?
- Lake Tewaukon has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake Tewaukon, Lake Tewaukon. Public access is listed as yes.
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Where this data comes from
Measurements for Lake Tewaukon come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Depth, fish, and access data from North Dakota Game & Fish
Named boat-access points from the USGS National Boat Ramps inventory