Cooper Lake Site
Hopkins County, TexasView mapDirections
TCEQ publishes the water-quality measurements for Cooper Lake Site. Here is what has been measured.
- Eutrophic
- Public access
- Limited data
Cooper Lake Site in Hopkins County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 2.7 ft visibility. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 28.7 µg/L.
Cooper Lake Site is a productive, nutrient-rich eutrophic lake in Hopkins County, Texas. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2025-09-10. Methodology: how these readings are compared.
What Cooper Lake Site is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
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 Cooper Lake Site 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 Cooper Lake Site
These are the measurements TCEQ publishes for Cooper Lake Site, 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 2.7 ft of visibility. Phosphorus 50 µg/L. Chlorophyll-a 28.7 µg/L. TSI 62.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.7ft | 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) | 28.7µg/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. | 62 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Cooper Lake Site
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Cooper Lake State Park - TiraPublic
- Cooper Lake State Park - Gull's BluffPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Cooper Lake Site
Compare lakeside cabins, hotels, and vacation rentals near Cooper Lake Site in Hopkins 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 Cooper Lake Site are listed below.
Top-rated places to stay near Cooper Lake Site
Prices for Oct 23–25, 4 adults. Change dates on the map below.
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Fishing Cooper Lake Site
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Stable6 years
Phosphorus
Stable+0.42 µg/L/yr5 years
Chlorophyll-a
Stable+0.29 µg/L/yr5 years
Nearby Lakes in Hopkins County
Frequently asked questions about Cooper Lake Site
Where is Cooper Lake Site?
- Cooper Lake Site is a lake in Hopkins County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Cooper Lake Site?
- Cooper Lake Site in Hopkins County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 2.7 ft visibility. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 28.7 µg/L.
Is Cooper Lake Site safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Cooper Lake Site?
- Cooper Lake Site has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Cooper Lake State Park - Tira, Cooper Lake State Park - Gull's Bluff. Public access is listed as yes.
Can I fish at Cooper Lake Site?
- Cooper Lake Site 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 Texas's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
63 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Texas Commission on Environmental Quality
TCEQMAIN63 samples · 2020–2025
Monitoring station identifiers (1)
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