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LakeQuality

Lake Wylie

York County, South Carolina12,177 acresView mapDirections

SCDHEC publishes the water-quality measurements for Lake Wylie. Here is what has been measured.

Phosphorus
30 µg/L
Typical for South Carolina
Measured by SCDHEC
Chlorophyll-a
17 µg/L
More algae than most
Measured by SCDHEC
Area
12,177 acres
Surface area
Type
Eutrophic
Trophic class
  • Eutrophic
  • Public access

Lake Wylie in York County, South Carolina has water-quality measurements published by SCDHEC, shown here as reported. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 17 µg/L. Surface area: 12177 acres.

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Lake Wylie is a 12,177-acre productive, nutrient-rich eutrophic lake in York County, South Carolina. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 3 other monitored lakes in York County, Lake Wylie ranks #4 for water quality.

Source: EPA Water Quality Portal sampling records, SCDES, last sampled 2022-09-14. Methodology: how these readings are compared.

What Lake Wylie is good for

From access and monitoring records, not editorial picks.

  • Boat launch2 documented ramps
  • Big water12,177 acres

Swimming conditions

Readings only

Algae 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 Lake Wylie is safe to swim in today is a call for the South Carolina Department of Health and Environmental Control and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Lake Wylie

These are the measurements SCDHEC 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 17 µg/L. TSI 56.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus30µg/LFair
GoodFairPoor
Chlorophyll-a (algae)17µg/LPoor
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.56Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Lake Wylie

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

12,177 acres

Public access

Yes

Listed by SCDHEC

No bathymetric survey has been published for Lake Wylie, so its depth is not documented here.

Recreation & Access

2
Boat Landings
Yes
Public Access
  • Allison CreekPublic
  • Buster BoydPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Lake Wylie

Compare lakeside cabins, hotels, and vacation rentals near Lake Wylie in York County, South 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 Lake Wylie are listed below.

Top-rated places to stay near Lake Wylie

Prices for Oct 2–4, 4 adults. Change dates on the map below.

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Fishing Lake Wylie

Reservoir Info (USACE NID)

Lake Wylie is a man-made reservoir impounded by the Wylie (completed 1925), built primarily for hydroelectric on the Catawba; gravity-type dam, 119 ft tall and 3,232 ft long.

Surface area
12,177 ac
Normal storage
229,200 ac-ft
Max storage
246,435 ac-ft
Drainage area
3,020 sq mi
Hazard class
High
Owner
Duke Energy

All listed purposes: Hydroelectric;Recreation;Water Supply.

Source: USACE National Inventory of Dams, NID ID SC00687 · Operator website

Nearby Lakes in York County

Frequently asked questions about Lake Wylie

Where is Lake Wylie?

Lake Wylie is a lake in York County, South Carolina. Its water-quality measurements are published by SCDHEC and shown on this page as reported.

What is the water quality of Lake Wylie?

Lake Wylie in York County, South Carolina has water-quality measurements published by SCDHEC, shown here as reported. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 17 µg/L. Surface area: 12177 acres.

Measurements on this page ↑

Is Lake Wylie safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Are there boat ramps on Lake Wylie?

Lake Wylie has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Allison Creek, Buster Boyd. Public access is listed as yes.

Access on this page ↑

Can I fish at Lake Wylie?

Lake Wylie has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by South Carolina's fish and wildlife agency, so check its current regulations before you go.

Access on this page ↑

Eutrophic Lakes in South Carolina

Where this data comes from

119 measurements from 4 monitoring stations, 2012–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • North Carolina Dept of Environmental Quality NCDEQ-DWR WQX21NC03WQ119 samples · 2012–2022
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.

Other records on this page

Named boat-access points from the USGS National Boat Ramps inventory