Tri City Lake
Boone County, WisconsinEutrophic
Tri City Lake is a 28-acre productive, nutrient-rich eutrophic lake in Boone County, MO. Water quality is graded D based on 2 sampling years through 2024. Compared to the 11 other monitored lakes in Boone County, Tri City Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-05-22. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
No clarity data. Phosphorus level: 76 µg/L. Chlorophyll-a: 24.7 µg/L. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 76 µg/L | D |
| Chlorophyll-a (Algae) | 24.7 µg/L | D |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 28 acres |
Location
County Ranking
Ranked #8 of 12 lakes in Boone County
Cleaner Lakes Within 30 Miles
Tri City Lake holds Grade D. 5 nearby lakes hold higher grades.
- BFinger LakesBoone County · 9.1 mi · Two grade letters higher (D → B)
- BLake of the WoodsBoone County · 15.4 mi · Two grade letters higher (D → B)
- CQuarry Heights LakeBoone County · 18.7 mi · Higher grade (D → C)
- DStephens LakeBoone County · 17.4 mi · Higher overall water quality score
- DCedar LakeRandolph County · 18.1 mi · Higher overall water quality score
Nearby Lakes in Boone County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
St. Louis city County · Clarity: 2.3 ft
Shelby County · Clarity: 3.2 ft
Macon County · Clarity: 1.8 ft
Harrison County · Clarity: 1.7 ft
Stone County · Clarity: 2.3 ft
Knox County · Clarity: 2.1 ft
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Tri City Lake is a man-made reservoir impounded by the Tri-City Community Lake Dam (completed 1957), built primarily for recreation on the TR-SILVER FORK CREEK; earth-type dam, 25 ft tall.
- Surface area
- 28 ac
- Normal storage
- 233 ac-ft
- Max storage
- 374 ac-ft
- Drainage area
- 400 sq mi
- Hazard class
- Low
- Owner
- MO DEPT OF CONSERVATION
Source: USACE National Inventory of Dams, NID ID MO10102 · Operator website · Matched by proximity (0.08 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-05-22
Monitoring stations: 1