Alpine Lake
Warren County, WisconsinOligotrophic
Alpine Lake is a 325-acre cold, clear oligotrophic lake in Warren County, MO. Water quality is graded A based on 3 sampling years through 2024. Compared to the 15 other monitored lakes in Warren County, Alpine Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-14. Grade methodology: LakeGrade methodology.
Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 12.6 ft. Phosphorus level: 7 µg/L. Chlorophyll-a: 1.5 µg/L. Trophic State Index: 36.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.6 ft | B |
| Phosphorus | 7 µg/L | A |
| Chlorophyll-a (Algae) | 1.5 µg/L | A |
| Trophic State Index (TSI) | 36 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 325 acres |
Location
County Ranking
Ranked #1 of 16 lakes in Warren County
Nearby Lakes in Warren County
More Wisconsin Lake Rankings
Other Grade A Lakes in Wisconsin
Jefferson County · Clarity: 12.9 ft
St. Francois County · Clarity: 14.1 ft
Washington County · Clarity: 11.1 ft
St. Francois County · Clarity: 14.3 ft
St. Francois County · Clarity: 16.3 ft
Taney County · Clarity: 13.3 ft
Oligotrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Alpine Lake is a man-made reservoir impounded by the Alpine Lake Dam (completed 2000), built primarily for recreation on the CAVE CREEK; earth-type dam, 118 ft tall and 1,279 ft long.
- Surface area
- 325 ac
- Normal storage
- 10,266 ac-ft
- Max storage
- 14,260 ac-ft
- Drainage area
- 3.99 sq mi
- Hazard class
- High
- Owner
- INNSBROOK CORPORATION
Source: USACE National Inventory of Dams, NID ID MO32058 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-14
Monitoring stations: 1