Caesar Creek Lake is a productive, nutrient-rich eutrophic lake in Warren County, Ohio. Water quality is graded D 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 #4 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
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 3 ft of visibility. Phosphorus level: 27 µg/L. Chlorophyll-a: 22.7 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | F |
| Phosphorus | 27 µg/L | B |
| Chlorophyll-a (Algae) | 22.7 µg/L | D |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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 | ↑ Improving | +0.3 m/yr | 2 |
| Phosphorus | ↓ Declining | +4.5 µg/L/yr | 2 |
| Chlorophyll-a | ↓ Declining | +17.9 µg/L/yr | 2 |
Recreation & Access
Water Temperature
Caesar Creek Lake averages about 77°F at the surface in summer, usually warmest in Jul (about 80°F) and coldest in Apr (about 51°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 33 field readings (2012–2021) via the EPA Water Quality Portal.
Location
County Ranking
Ranked #4 of 4 lakes in Warren County
Cleaner Lakes Within 30 Miles
Caesar Creek Lake holds Grade D. 2 nearby lakes hold higher grades.
- CCaesar Creek LakeWarren County · 2.2 mi · Higher grade (D → C)
- CCaesar Creek LakeWarren County · 3.3 mi · Higher grade (D → C)
Nearby Lakes in Warren County
Explore Caesar Creek Lake across LakeGrade
More Ohio Lake Rankings
Other Grade D Lakes in Ohio
Eutrophic Lakes in Ohio
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Caesar Creek Lake under Clean Water Act (NPDES) discharge permits. 2 facilities have a reported Clean Water Act violation in the past three years.
- Caesars Lake MhpWaynesville · 2.1 mi away · NPDES OH0131814Recent violation
- Frontier CampgroundWaynesville · 2.2 mi away · NPDES OH0151238Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
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