Unnamed Lake
Callaway County, MissouriView mapDirections
Missouri DNR publishes the water-quality measurements for Unnamed Lake. Here is what has been measured.
- Limited data
Unnamed Lake in Callaway County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 2.3 ft visibility. Phosphorus: 97 µg/L. Chlorophyll-a (algae): 44.6 µg/L.
Unnamed Lake is a lake in Callaway County, Missouri.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-10-11. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Unnamed Lake is safe to swim in today is a call for the Missouri Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Unnamed Lake
These are the measurements Missouri DNR publishes for Unnamed Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 2.3 ft of visibility. Phosphorus 97 µg/L. Chlorophyll-a 44.6 µg/L. TSI 68.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 97µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 44.6µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 68 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Unnamed Lake
Where is Unnamed Lake?
- Unnamed Lake is a lake in Callaway County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Unnamed Lake?
- Unnamed Lake in Callaway County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 2.3 ft visibility. Phosphorus: 97 µg/L. Chlorophyll-a (algae): 44.6 µg/L.
Is Unnamed Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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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)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.