North Townline Flowage
North Townline Flowage in Marathon County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 124 acres.
- Area
- 124 acres
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Why North Townline Flowage 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 North Townline Flowage, 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 WI DNR and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
North Townline Flowage is a 124-acre lake in Marathon County, Wisconsin.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch North Townline Flowage water quality
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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 North Townline Flowage
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 North Townline Flowage
Compare lakeside cabins, hotels, and vacation rentals near North Townline Flowage in Marathon 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.
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 124 acres |
No bathymetric survey has been published for North Townline Flowage, so its depth is not documented here.
Fishing North Townline Flowage
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Frequently asked questions about North Townline Flowage
Where is North Townline Flowage?
- North Townline Flowage is a lake in Marathon County, Wisconsin. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for North Townline Flowage?
- North Townline Flowage in Marathon County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 124 acres.
Is North Townline Flowage safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. North Townline Flowage is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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Where this data comes from
Measurements for North Townline Flowage come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.