Powell River Embayment of Norris Reservoir
Union County, TennesseeView mapDirections
TDEC publishes the water-quality measurements for Powell River Embayment of Norris Reservoir. Here is what has been measured.
- Public access
- Limited data
Ask about Powell River Embayment of Norris Reservoir
Answers come straight from the public measurements and survey records on this page.
Powell River Embayment of Norris Reservoir in Union County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Phosphorus: 10 µg/L.
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Powell River Embayment of Norris Reservoir is a lake in Union County, Tennessee. Limited fish-species data available. Public access is available with 9 public boat landings.
Source: EPA Water Quality Portal sampling records, TDEC, last sampled 2022-07-05. Grade methodology: LakeQuality methodology.
What Powell River Embayment of Norris Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch9 documented ramps
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Powell River Embayment of Norris Reservoir 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.
Water quality measurements for Powell River Embayment of Norris Reservoir
These are the measurements TDEC publishes for Powell River Embayment of Norris Reservoir, 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 10 µg/L. TSI 37.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 10 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Recreation & Access
- Union County DockPublic
- Davis CreekPublic
- Alder SpringsPublic
- Doakes CreekPublic
- Pinnacle PointPublic
- Powell Valley ResortPublic
Showing 6 of 9 documented landings from the USGS National Boat Ramps inventory.
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Powell River Embayment of Norris Reservoir
Nearby Lakes in Union County
Frequently asked questions about Powell River Embayment of Norris Reservoir
Where is Powell River Embayment of Norris Reservoir?
- Powell River Embayment of Norris Reservoir is a lake in Union County, Tennessee. Its water-quality measurements are published by TDEC and shown on this page as reported.
What is the water quality of Powell River Embayment of Norris Reservoir?
- Powell River Embayment of Norris Reservoir in Union County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Phosphorus: 10 µg/L.
Is Powell River Embayment of Norris Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Powell River Embayment of Norris Reservoir?
- Powell River Embayment of Norris Reservoir has 9 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Union County Dock, Davis Creek, Alder Springs, Doakes Creek, among others. Public access is listed as yes.
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Where this data comes from
1 measurement from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- TDEC Division of Water Resources
TDECWR_WQX1 sample · 2022
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.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory