Sugar Hollow Lake is a 17-acre productive, nutrient-rich eutrophic lake in Warren County, Missouri. Water quality is graded D based on 3 sampling years through 2024. Overall water quality is declining over recent sampling years. Compared to the 15 other monitored lakes in Warren County, Sugar Hollow Lake ranks #15 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-14. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 3.3 ft of visibility. Phosphorus level: 31.5 µg/L. Chlorophyll-a: 14.7 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.3 ft | F |
| Phosphorus | 31.5 µg/L | C |
| Chlorophyll-a (Algae) | 14.7 µg/L | C |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 17 acres |
Where to stay near Sugar Hollow Lake
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Fishing Sugar Hollow Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.062 m/yr | 5 |
| Phosphorus | ↓ Declining | +6.52 µg/L/yr | 5 |
| Chlorophyll-a | ↑ Improving | -0.46 µg/L/yr | 5 |
Location
County Ranking
Ranked #15 of 16 lakes in Warren County
Cleaner Lakes Within 30 Miles
Sugar Hollow Lake holds Grade D. 2 nearby lakes hold higher grades.
- BSherwood LakeWarren County · 0.5 mi · Two grade letters higher (D → B)
- BSherwood Lake Nr. DamWarren County · 0.7 mi · Two grade letters higher (D → B)
Nearby Lakes in Warren County
Explore Sugar Hollow Lake across LakeGrade
More Missouri Lake Rankings
Other Grade D Lakes in Missouri
St. Charles County · Clarity: 2.1 ft
St. Charles County · Clarity: 3.3 ft
St. Charles County · Clarity: 2.6 ft
St. Charles County · Clarity: 3.2 ft
St. Charles County · Clarity: 2.7 ft
Franklin County · Clarity: 2.6 ft
Eutrophic Lakes in Missouri
More records, surveys & data sources
Reservoir Info (USACE NID)
Sugar Hollow Lake is a man-made reservoir impounded by the Sugar Hollow Dam (completed 1968), built primarily for recreation on the TR-WOLF CREEK; earth-type dam, 43 ft tall and 420 ft long.
- Surface area
- 17 ac
- Normal storage
- 178 ac-ft
- Max storage
- 326 ac-ft
- Drainage area
- 1.52 sq mi
- Hazard class
- High
- Owner
- LAKE SHERWOOD ESTATES HOA
Source: USACE National Inventory of Dams, NID ID MO30522 · 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