Little Terrapin Branch Unnamed Tributary Impoundment Lake
Maury County, TennesseeView mapDirections
TDEC publishes the water-quality measurements for Little Terrapin Branch Unnamed Tributary Impoundment Lake. Here is what has been measured.
- Limited data
Little Terrapin Branch Unnamed Tributary Impoundment Lake in Maury County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Phosphorus: 311 µg/L.
Little Terrapin Branch Unnamed Tributary Impoundment Lake is a lake in Maury County, Tennessee.
Source: EPA Water Quality Portal sampling records, TDEC, last sampled 2026-06-11. 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 Little Terrapin Branch Unnamed Tributary Impoundment Lake is safe to swim in today is a call for the Tennessee Department of Environment and Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
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Water quality measurements for Little Terrapin Branch Unnamed Tributary Impoundment Lake
These are the measurements TDEC publishes for Little Terrapin Branch Unnamed Tributary Impoundment Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 311 µg/L. TSI 87.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 311µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading 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. | 87 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
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Frequently asked questions about Little Terrapin Branch Unnamed Tributary Impoundment Lake
Where is Little Terrapin Branch Unnamed Tributary Impoundment Lake?
- Little Terrapin Branch Unnamed Tributary Impoundment Lake is a lake in Maury County, Tennessee. Its water-quality measurements are published by TDEC and shown on this page as reported.
What is the water quality of Little Terrapin Branch Unnamed Tributary Impoundment Lake?
- Little Terrapin Branch Unnamed Tributary Impoundment Lake in Maury County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Phosphorus: 311 µg/L.
Is Little Terrapin Branch Unnamed Tributary Impoundment 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
1 measurement from 1 monitoring station, 2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- TDEC Division of Water Resources
TDECWR_WQX1 sample · 2026
Analytical methods
- Phosphorus by Colorimetry
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.