Lake Monroe
Volusia County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Monroe. Here is what has been measured.
- Hypereutrophic
- Impaired · Algal growth
- Public access
- Limited data
Lake Monroe in Volusia County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 130 µg/L.
Lake Monroe is a highly nutrient-loaded hypereutrophic lake in Volusia County, Florida. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 29 other monitored lakes in Volusia County, Lake Monroe ranks #25 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-05-24. Methodology: how these readings are compared.
Lake Monroe 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 Monroe on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Lake Monroe is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
Swimming conditions
Readings onlyRecreation use not supported
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. Lake Monroe is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, impaired biota (cause unknown), mercury, nutrients (phosphorus, nitrogen), salinity / chlorides. Check local advisories before you swim.
Whether Lake Monroe is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Monroe
These are the measurements Florida DEP publishes for Lake Monroe, 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 1.6 ft of visibility. Phosphorus 130 µg/L. TSI 72.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 130µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 72 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Lake Monroe
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Riverfront Park Public Boat RampPublic
- Mariner's Cove ParkPublic
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 Monroe
Compare lakeside cabins, hotels, and vacation rentals near Lake Monroe in Volusia County, Florida — 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 Lake Monroe are listed below.
Top-rated places to stay near Lake Monroe
Prices for Oct 16–18, 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 Florida’s top lakes →
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Fishing Lake Monroe
EPA Impairment Status
Lake Monroe is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2893D · Official waterbody report
Nearby Lakes in Volusia County
Frequently asked questions about Lake Monroe
Where is Lake Monroe?
- Lake Monroe is a lake in Volusia County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lake Monroe?
- Lake Monroe in Volusia County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 130 µg/L.
Is Lake Monroe safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Monroe is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, impaired biota (cause unknown), mercury, nutrients (phosphorus, nitrogen), salinity / chlorides. Check local advisories before you swim.
Are there boat ramps on Lake Monroe?
- Lake Monroe has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Riverfront Park Public Boat Ramp, Mariner's Cove Park. Public access is listed as yes.
Can I fish at Lake Monroe?
- Lake Monroe 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 Florida's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Monroe across LakeQuality
Planning a trip around Canaveral?
Lake Monroe is about 31 miles from Canaveral National Seashore. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Canaveral →More lakes in Florida
Other Lakes in Florida
Hypereutrophic Lakes in Florida
Where this data comes from
10 measurements from 5 monitoring stations, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples10 samples · 2020–2023
Monitoring station identifiers (5)
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
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory