Lavon Lake
Collin County, Texas21,400 acresView mapDirections
TCEQ publishes the water-quality measurements for Lavon Lake. Here is what has been measured.
- Hypereutrophic
- Public access
Lavon Lake in Collin County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 1.4 ft visibility. Phosphorus: 106.5 µg/L. Chlorophyll-a (algae): 48 µg/L. Surface area: 21400 acres.
Lavon Lake is a 21,400-acre highly nutrient-loaded hypereutrophic lake in Collin County, Texas. Limited fish-species data available. Public access is available with 7 public boat landings. Compared to the 1 other monitored lakes in Collin County, Lavon Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2023-10-05. Methodology: how these readings are compared.
At about 21,000 acres, Lavon Lake is large enough that where you stay decides which shore you see most of. It has 7 public boat landings, so a lakefront rental is not the only way to get a boat on the water. Vrbo is where to look for cabins and lake homes around Lavon Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Lavon Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch7 documented ramps
- Big water21,400 acres
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 Lavon Lake is safe to swim in today is a call for the Texas Commission on Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lavon Lake
These are the measurements TCEQ publishes for Lavon 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 1.4 ft of visibility. Phosphorus 106.5 µg/L. Chlorophyll-a 48 µg/L. TSI 71.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 107µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 48µg/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. | 71 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Lavon Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
21,400 acres
Public access
Yes
Listed by TCEQ
No bathymetric survey has been published for Lavon Lake, so its depth is not documented here.
Recreation & Access
- Mallard ParkPublic
- Elm Creek ParkPublic
- Caddo ParkPublic
- Highland ParkPublic
- Brockdale ParkPublic
- Twin GrovesPublic
Showing 6 of 7 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
Stays via Stay22
Stays near Lavon Lake
Compare lakeside cabins, hotels, and vacation rentals near Lavon Lake in Collin County, Texas — 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 Lavon Lake are listed below.
Top-rated places to stay near Lavon Lake
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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Planning a trip? Cabins and lodging at Lavon Lake → · more Texas lake trips
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Fishing Lavon Lake
Reservoir Info (USACE NID)
Lavon Lake is a man-made reservoir impounded by the Lavon Dam (completed 1952), built primarily for flood risk reduction on the East Fork of Trinity River; earth-type dam, 81 ft tall and 19,493 ft long.
- Surface area
- 21,400 ac
- Normal storage
- 456,500 ac-ft
- Max storage
- 1,020,500 ac-ft
- Drainage area
- 770 sq mi
- Hazard class
- High
- Owner
- USACE - Fort Worth District
All listed purposes: Flood Risk Reduction;Fish and Wildlife Pond;Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID TX00007 · Operator website
Nearby Lakes in Collin County
Frequently asked questions about Lavon Lake
Where is Lavon Lake?
- Lavon Lake is a lake in Collin County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Lavon Lake?
- Lavon Lake in Collin County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 1.4 ft visibility. Phosphorus: 106.5 µg/L. Chlorophyll-a (algae): 48 µg/L. Surface area: 21400 acres.
Is Lavon Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Lavon Lake?
- Lavon Lake has 7 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Mallard Park, Elm Creek Park, Caddo Park, Highland Park, among others. Public access is listed as yes.
Can I fish at Lavon Lake?
- Lavon Lake has 7 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Texas's fish and wildlife agency, so check its current regulations before you go.
Explore Lavon Lake across LakeQuality
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Where this data comes from
167 measurements from 9 monitoring stations, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Texas Water Science Center
USGS-TX167 samples · 2020–2023
Monitoring station identifiers (9)
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