Callaway County, Missouri · Water Quality Report Card
Unnamed Lake
Unnamed Lake in Callaway County, Missouri is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 2.3 ft visibility. Phosphorus: 97 µg/L. Chlorophyll-a (algae): 44.6 µg/L.
- Clarity
- 2.3 ft
- Type
- Eutrophic
Unnamed Lake is a productive, nutrient-rich eutrophic lake in Callaway County, Missouri.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-10-11. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not rated for swimming — there is not enough monitoring data to judge this lake
Water Quality Grade: Not rated
Very murky, less than 2.3 ft of visibility. Phosphorus level: 97 µg/L. Chlorophyll-a: 44.6 µg/L. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 ft | |
| Phosphorus | 97 µg/L | |
| Chlorophyll-a (Algae) | 44.6 µg/L | |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Unnamed Lake
Location
Nearby Lakes in Callaway County
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Where this data comes from
9 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Univ. of Missouri, Columbia
UMC9 samples · 2024
Analytical methods
- Depth, Secchi disk in meters
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2024-10-11
Monitoring stations: 1