West Fork Eno River Reservoir
Orange County, North CarolinaView mapDirections
NC DEQ publishes the water-quality measurements for West Fork Eno River Reservoir. Here is what has been measured.
- Eutrophic
West Fork Eno River Reservoir in Orange County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Water clarity: 3.8 ft visibility. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 30 µg/L.
West Fork Eno River Reservoir is a productive, nutrient-rich eutrophic lake in Orange County, North Carolina. Water clarity is improving over recent sampling years. Compared to the 6 other monitored lakes in Orange County, West Fork Eno River Reservoir ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2025-09-11. Methodology: how these readings are compared.
Swimming conditions
Readings onlyAlgae risk
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether West Fork Eno River Reservoir is safe to swim in today is a call for the North Carolina Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for West Fork Eno River Reservoir
These are the measurements NC DEQ publishes for West Fork Eno River Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 3.8 ft. Phosphorus 50 µg/L. Chlorophyll-a 30 µg/L. TSI 61.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 50µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 30µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 61 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Stays near West Fork Eno River Reservoir
Compare lakeside cabins, hotels, and vacation rentals near West Fork Eno River Reservoir in Orange County, North Carolina — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around West Fork Eno River Reservoir are listed below.
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Fishing West Fork Eno River Reservoir
Water Quality Trend: Stable
Based on 5 years of monitoring (2020–2025).
Water clarity
Improving5 years
Phosphorus
Stable+0.41 µg/L/yr5 years
Chlorophyll-a
Worsening+2.99 µg/L/yr5 years
Nearby Lakes in Orange County
Frequently asked questions about West Fork Eno River Reservoir
Where is West Fork Eno River Reservoir?
- West Fork Eno River Reservoir is a lake in Orange County, North Carolina. Its water-quality measurements are published by NC DEQ and shown on this page as reported.
What is the water quality of West Fork Eno River Reservoir?
- West Fork Eno River Reservoir in Orange County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Water clarity: 3.8 ft visibility. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 30 µg/L.
Is West Fork Eno River Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore West Fork Eno River Reservoir across LakeQuality
More lakes in North Carolina
Other Lakes in North Carolina
Eutrophic Lakes in North Carolina
Where this data comes from
78 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North Carolina Dept of Environmental Quality NCDEQ-DWR WQX
21NC03WQ78 samples · 2020–2025
Analytical methods
- WSSSOP
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
Monitoring station identifiers (3)
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.