Lake Cisco
Eastland County, TexasView mapDirections
TCEQ publishes the water-quality measurements for Lake Cisco. Here is what has been measured.
- Mesotrophic
- 93 ft max depth
- Public access
- Limited data
Lake Cisco in Eastland County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 3.9 ft visibility. Chlorophyll-a (algae): 4.8 µg/L.
Lake Cisco is a mesotrophic lake in Eastland County, Texas with an estimated average depth of about 93 feet. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 1 other monitored lakes in Eastland County, Lake Cisco ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2025-06-09. Methodology: how these readings are compared.
Lake Cisco has 2 public boat landings, so a lakefront rental is not the only way to get a boat on the water. If you are planning to stay, you can search lake houses and cabins around Lake Cisco on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Lake Cisco 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 Lake Cisco 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 Lake Cisco
These are the measurements TCEQ publishes for Lake Cisco, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 3.9 ft. Chlorophyll-a 4.8 µg/L. TSI 52.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 4.8µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 52 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Lake Cisco
Answers come straight from the public measurements and survey records on this page.
→ Lake Cisco water level: the live USGS gauge reading
Lake Details
Max depth
~93 ft est.
Public access
Yes
Listed by TCEQ
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Texas has not published bathymetry for Lake Cisco.
Lake Size & Watershed
Watershed (drainage) area
26 sq mi
HydroLAKES / HydroSHEDS
Surface area
408 acres
HydroLAKES / HydroSHEDS
Shoreline
7.9 mi
HydroLAKES / HydroSHEDS
Elevation
1,522 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
- North Shore Lake DrivePublic
- Lake CiscoPublic
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 Cisco
Compare lakeside cabins, hotels, and vacation rentals near Lake Cisco in Eastland 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.
Top-rated places to stay near Lake Cisco
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Texas’s top lakes →
Follow Lake Cisco’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Cisco
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Chlorophyll-a
Worsening+0.6 µg/L/yr5 years
Nearby Lakes in Eastland County
Frequently asked questions about Lake Cisco
Where is Lake Cisco?
- Lake Cisco is a lake in Eastland County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Lake Cisco?
- Lake Cisco in Eastland County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 3.9 ft visibility. Chlorophyll-a (algae): 4.8 µg/L.
Is Lake Cisco safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Cisco?
- No published bathymetric survey covers Lake Cisco, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 93 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Are there boat ramps on Lake Cisco?
- Lake Cisco has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include North Shore Lake Drive, Lake Cisco. Public access is listed as yes.
Can I fish at Lake Cisco?
- Lake Cisco 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.
Explore Lake Cisco across LakeQuality
More lakes in Texas
Other Lakes in Texas
Mesotrophic Lakes in Texas
Where this data comes from
41 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
TCEQMAIN41 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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory