Caesar Creek Lake
Warren County, Ohio2,830 acresView mapDirections
Ohio EPA publishes the water-quality measurements for Caesar Creek Lake. Here is what has been measured.
- Eutrophic
- 66 ft max depth
- Public access
Caesar Creek Lake in Warren County, Ohio has water-quality measurements published by Ohio EPA, shown here as reported. Water clarity: 3.2 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 19.9 µg/L. Surface area: 2830 acres.
Caesar Creek Lake is a 2,830-acre productive, nutrient-rich eutrophic lake in Warren County, Ohio with an estimated average depth of about 66 feet. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 6 public boat landings.
Source: EPA Water Quality Portal sampling records, Ohio EPA, last sampled 2021-10-18. Methodology: how these readings are compared.
Caesar Creek Lake covers about 2,800 acres in Warren County. It has 6 public boat landings, so a lakefront rental is not the only way to get a boat on the water. For a place on the water, look through cabin and lake-house rentals near Caesar Creek Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Caesar Creek Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch6 documented ramps
- Camping1 public campground nearby
- Big water2,830 acres
Caesar Creek Lake Water Quality Summary (2026)
A printable one-page summary for Caesar Creek Lake: clarity, phosphorus, algae, multi-year trend, depth, and fish — with sources.
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 Caesar Creek Lake is safe to swim in today is a call for the Ohio Environmental Protection Agency and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Caesar Creek Lake
These are the measurements Ohio EPA publishes for Caesar Creek 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 3.2 ft of visibility. Phosphorus 25 µg/L. Chlorophyll-a 19.9 µg/L. TSI 57.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 25µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 19.9µg/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. | 57 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Caesar Creek Lake
Answers come straight from the public measurements and survey records on this page.
Current Conditions
USGS snapshot Jul 6, 2026, 4:45 AM from gauge 03242340 (Caesar Creek Lake at Wellman OH). Station page ↗ — a live reading replaces this snapshot when the gauge responds. Missing live data is not an all-clear.
→ Caesar Creek Lake water level: the live USGS gauge reading
Lake Details
Max depth
~66 ft est.
Surface area
2,830 acres
Public access
Yes
Listed by Ohio EPA
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Ohio has not published bathymetry for Caesar Creek Lake.
Lake Size & Watershed
Watershed (drainage) area
241 sq mi
HydroLAKES / HydroSHEDS
Shoreline
24.3 mi
HydroLAKES / HydroSHEDS
Elevation
850 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
- Caesar Creek State Park - Campground RampPublic
- Caesar Creek State Park - Compton Boat LaunchPublic
- Caesar Creek State Park - Furnace Shores RampPublic
- Caesar Creek State Park - North Pool Hand Launch RampPublic
- Caesar Creek State Park - North Pool RampPublic
- Caesar Creek State Park - Wellman Meadows RampPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Caesar Creek Lake
- Caesar Creek State Park Campground3.2 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Caesar Creek Lake are listed below.
Top-rated places to stay near Caesar Creek Lake
Prices for Oct 23–25, 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 trip? Cabins and lodging at Caesar Creek Lake → · more Ohio lake trips
Follow Caesar Creek Lake’s readings
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Fishing Caesar Creek Lake
Water quality readings over time
2 seasons of samples on record (2020–2021). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Phosphorus
Worsening+10 µg/L/yr2 years
Chlorophyll-a
Worsening+17.4 µg/L/yr2 years
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
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.
- Caesar Creek Flea MarketWilmington · 3.7 mi away · NPDES OH0072575Recent violation
- Shell Food MartWilmington · 4.2 mi away · NPDES OH0151633Recent 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.
Nearby Lakes in Warren County
Frequently asked questions about Caesar Creek Lake
Where is Caesar Creek Lake?
- Caesar Creek Lake is a lake in Warren County, Ohio. Its water-quality measurements are published by Ohio EPA and shown on this page as reported.
What is the water quality of Caesar Creek Lake?
- Caesar Creek Lake in Warren County, Ohio has water-quality measurements published by Ohio EPA, shown here as reported. Water clarity: 3.2 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 19.9 µg/L. Surface area: 2830 acres.
Is Caesar Creek Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Caesar Creek Lake?
- No published bathymetric survey covers Caesar Creek Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 66 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 2830 acres.
What is the water level at Caesar Creek Lake?
- The USGS snapshot on this page for Caesar Creek Lake is 849.04 ft of water-surface elevation, recorded Jul 6, 2026, 4:45 AM at gauge 03242340. Current Conditions hydrates a live NWIS reading from that same station when the gauge responds. A missed live fetch is not an all-clear.
Are there boat ramps on Caesar Creek Lake?
- Caesar Creek Lake has 6 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Caesar Creek State Park - Campground Ramp, Caesar Creek State Park - Compton Boat Launch, Caesar Creek State Park - Furnace Shores Ramp, Caesar Creek State Park - North Pool Hand Launch Ramp, among others. Public access is listed as yes.
Can I fish at Caesar Creek Lake?
- Caesar Creek Lake has 6 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Ohio's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Caesar Creek Lake?
- Caesar Creek Lake has 1 public campground from USGS The National Map within 5 km, including Caesar Creek State Park Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Caesar Creek Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
Species activity outlook by water temperature and season
Where to stay at Ohio's top lakes, each with its readings
Ohio's cleanest lakes, ranked on agency measurements
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Where this data comes from
144 measurements from 4 monitoring stations, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Ohio Water Science Center
USGS-OH144 samples · 2020–2021
Analytical methods
- Secchi disk method
- P, wu, WCA, persulfate CF color
- Plant pigments, sonication & 445
- YSI EXO turbidity sensor, FNU
Monitoring station identifiers (4)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles