East Piney River Impoundment Lake
Dickson County, Tennessee20 acresView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Limited data
East Piney River Impoundment Lake in Dickson County, Tennessee is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 57.3 µg/L. Surface area: 20 acres.
- Area
- 20 acres
- Phosphorus
- 57.3 µg/L
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Watch East Piney River Impoundment Lake’s letter
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Why East Piney River Impoundment Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For East Piney River Impoundment Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by TDEC and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
East Piney River Impoundment Lake is a 20-acre lake in Dickson County, Tennessee.
Source: EPA Water Quality Portal sampling records, TDEC, last sampled 2024-08-06. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for East Piney River Impoundment Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Phosphorus 57.3 µg/L. TSI 63.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 57.3 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 63 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 20 acres |
No bathymetric survey has been published for East Piney River Impoundment Lake, so its depth is not documented here.
Fishing East Piney River Impoundment Lake
Reservoir Info (USACE NID)
East Piney River Impoundment Lake is a man-made reservoir impounded by the Dickson Lake Dam (completed 1935) on the East Piney River; earth-type dam, 37 ft tall and 495 ft long.
- Surface area
- 20 ac
- Normal storage
- 250 ac-ft
- Max storage
- 360 ac-ft
- Drainage area
- 1.7 sq mi
- Hazard class
- High
- Owner
- City Of Dickson
Source: USACE National Inventory of Dams, NID ID TN04301 · Operator website · Matched by proximity (0.1 km)
Graded lakes near East Piney River Impoundment Lake
East Piney River Impoundment Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Dickson County
Frequently asked questions about East Piney River Impoundment Lake
Where is East Piney River Impoundment Lake?
- East Piney River Impoundment Lake is a lake in Dickson County, Tennessee. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for East Piney River Impoundment Lake?
- East Piney River Impoundment Lake in Dickson County, Tennessee is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 57.3 µg/L. Surface area: 20 acres.
Is East Piney River Impoundment Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore East Piney River Impoundment Lake across LakeQuality
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Eutrophic Lakes in Tennessee
Where this data comes from
1 measurement from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- TDEC Division of Water Resources
TDECWR_WQX1 sample · 2024
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.