Lake Wylie
Gaston County, North CarolinaView mapDirections
NC DEQ publishes the water-quality measurements for Lake Wylie. Here is what has been measured.
- Eutrophic
- Public access
- Limited data
Lake Wylie in Gaston County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 13 µg/L.
Lake Wylie is a productive, nutrient-rich eutrophic lake in Gaston County, North Carolina. Water clarity is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 4 other monitored lakes in Gaston County, Lake Wylie ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2022-09-14. 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 Lake Wylie 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 Lake Wylie
These are the measurements NC DEQ publishes for Lake Wylie, 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 30 µg/L. Chlorophyll-a 13 µg/L. TSI 54.
| 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 | 30µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 13µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 54 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Wylie
Answers come straight from the public measurements and survey records on this page.
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Fishing Lake Wylie
Water quality readings over time
3 seasons of samples on record (2020–2022). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Phosphorus
Worsening+5 µg/L/yr3 years
Nearby Lakes in Gaston County
Frequently asked questions about Lake Wylie
Where is Lake Wylie?
- Lake Wylie is a lake in Gaston 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 Lake Wylie?
- Lake Wylie in Gaston County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 13 µg/L.
Is Lake Wylie safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Lake Wylie?
- Public access to Lake Wylie is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by North Carolina's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Wylie across LakeQuality
18.4 mi away · cable-pulled, no boat wake
Species activity outlook by water temperature and season
Where to stay at North Carolina's top lakes, each with its readings
North Carolina's cleanest lakes, ranked on agency measurements
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Eutrophic Lakes in North Carolina
Where this data comes from
61 measurements from 4 monitoring stations, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North Carolina Dept of Environmental Quality NCDEQ-DWR WQX
21NC03WQ61 samples · 2022
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
Monitoring station identifiers (4)
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.