High Point Lake
Guilford County, North CarolinaView mapDirections
NC DEQ publishes the water-quality measurements for High Point Lake. Here is what has been measured.
- Eutrophic
- Limited data
High Point Lake in Guilford County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 29.5 µg/L.
High Point Lake is a productive, nutrient-rich eutrophic lake in Guilford County, North Carolina. Compared to the 4 other monitored lakes in Guilford County, High Point Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2023-09-12. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
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 High Point Lake 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 High Point Lake
These are the measurements NC DEQ publishes for High Point 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 3 ft of visibility. Phosphorus 30 µg/L. Chlorophyll-a 29.5 µg/L. TSI 60.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 30µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 29.5µg/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. | 60 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Answers come straight from the public measurements and survey records on this page.
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Stays near High Point Lake
Compare lakeside cabins, hotels, and vacation rentals near High Point Lake in Guilford 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 High Point Lake are listed below.
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Nearby Lakes in Guilford County
Frequently asked questions about High Point Lake
Where is High Point Lake?
- High Point Lake is a lake in Guilford 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 High Point Lake?
- High Point Lake in Guilford County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 29.5 µg/L.
Is High Point Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore High Point Lake across LakeQuality
More lakes in North Carolina
Other Lakes in North Carolina
Eutrophic Lakes in North Carolina
Where this data comes from
101 measurements from 5 monitoring stations, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North Carolina Dept of Environmental Quality NCDEQ-DWR WQX
21NC03WQ101 samples · 2023
Analytical methods
- WSSSOP
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
Monitoring station identifiers (5)
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.