Caesar Creek Lake is a 2,830-acre productive, nutrient-rich eutrophic lake in Warren County, Ohio. Water quality is graded C based on 3 sampling years through 2021. 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 3 other monitored lakes in Warren County, Caesar Creek Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Ohio DNR, last sampled 2021-10-18. Grade methodology: LakeGrade methodology.
Watch Caesar Creek Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Murky, only visible to about 3.5 ft. Phosphorus level: 24.5 µg/L. Chlorophyll-a: 18.5 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.5 ft | D |
| Phosphorus | 24.5 µg/L | B |
| Chlorophyll-a (Algae) | 18.5 µg/L | C |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 2,830 acres |
| Public Access | Yes |
Where to stay near Caesar Creek Lake
Compare lakeside cabins, hotels, and vacation rentals near Caesar Creek Lake in Warren County, Ohio — 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 Caesar Creek Lake
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 trip to Caesar Creek Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Caesar Creek Lake — straight to your inbox. No spam, unsubscribe anytime.
Planning a whole trip? See where to stay at Ohio’s top lakes →
Fishing Caesar Creek Lake
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.1 m/yr | 2 |
| Phosphorus | ↓ Declining | +7.5 µg/L/yr | 2 |
| Chlorophyll-a | ↓ Declining | +17.4 µg/L/yr | 2 |
Recreation & Access
Water Temperature
Caesar Creek Lake averages about 66°F at the surface in summer, usually warmest in Sep (about 71°F) and coldest in Apr (about 50°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 34 field readings (2012–2021) via the EPA Water Quality Portal. See the full Caesar Creek Lake water temperature breakdown →
Location
County Ranking
Ranked #2 of 4 lakes in Warren County
Nearby Lakes in Warren County
Explore Caesar Creek Lake across LakeGrade
More Ohio Lake Rankings
Other Grade C Lakes in Ohio
Eutrophic Lakes in Ohio
Compare Caesar Creek Lake With Nearby Lakes
More records, surveys & data sources
Reservoir Info (USACE NID)
Caesar Creek Lake is a man-made reservoir impounded by the Caesar Creek Dam (completed 1976), built primarily for flood risk reduction on the CAESAR CREEK; rockfill-type dam, 180 ft tall and 2,650 ft long.
- Surface area
- 2,830 ac
- Normal storage
- 102,000 ac-ft
- Max storage
- 242,200 ac-ft
- Drainage area
- 237 sq mi
- Hazard class
- High
- Owner
- USACE - Louisville District
All listed purposes: Flood Risk Reduction;Other;Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID OH00927 · Operator website
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2021-10-18
Monitoring stations: 1