Maumee Bay Off Maumee Bay State Park Lake
Lucas County, OhioView mapDirections
Ohio EPA publishes the water-quality measurements for Maumee Bay Off Maumee Bay State Park Lake. Here is what has been measured.
- Impaired · Algal growth
- Public access
- Limited data
Maumee Bay Off Maumee Bay State Park Lake in Lucas County, Ohio has water-quality measurements published by Ohio EPA, shown here as reported. Phosphorus: 66 µg/L. Chlorophyll-a (algae): 30.6 µg/L.
Maumee Bay Off Maumee Bay State Park Lake is a lake in Lucas County, Ohio. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, Ohio EPA, last sampled 2024-09-19. Methodology: how these readings are compared.
What Maumee Bay Off Maumee Bay State Park Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch3 documented ramps
- Camping1 public campground nearby
Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Maumee Bay Off Maumee Bay State Park Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nuisance exotic species, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal), pCBs, sediment / turbidity. Check local advisories before you swim.
Whether Maumee Bay Off Maumee Bay State Park 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 Maumee Bay Off Maumee Bay State Park Lake
These are the measurements Ohio EPA publishes for Maumee Bay Off Maumee Bay State Park Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 66 µg/L. Chlorophyll-a 30.6 µg/L. TSI 64.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 66µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 30.6µg/L | Measured, not scored 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. | 64 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Maumee Bay Off Maumee Bay State Park Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Lucas County - Cooley Canal Launch RampPublic
- Meinke Marina WestPublic
- Metzger Marsh Launch RampPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Maumee Bay Off Maumee Bay State Park Lake
- Maumee Bay State Park Campground3.0 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 Maumee Bay Off Maumee Bay State Park Lake
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Fishing Maumee Bay Off Maumee Bay State Park Lake
Water quality readings over time
3 seasons of samples on record (2021–2024). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Improving-5.77 µg/L/yr3 years
Chlorophyll-a
Improving-0.69 µg/L/yr3 years
EPA Impairment Status
Maumee Bay Off Maumee Bay State Park Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Drinking water, Aquatic life, Fish consumption, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit OHLE041202000201 · Official waterbody report
Nearby Lakes in Lucas County
Frequently asked questions about Maumee Bay Off Maumee Bay State Park Lake
Where is Maumee Bay Off Maumee Bay State Park Lake?
- Maumee Bay Off Maumee Bay State Park Lake is a lake in Lucas County, Ohio. Its water-quality measurements are published by Ohio EPA and shown on this page as reported.
What is the water quality of Maumee Bay Off Maumee Bay State Park Lake?
- Maumee Bay Off Maumee Bay State Park Lake in Lucas County, Ohio has water-quality measurements published by Ohio EPA, shown here as reported. Phosphorus: 66 µg/L. Chlorophyll-a (algae): 30.6 µg/L.
Is Maumee Bay Off Maumee Bay State Park Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Maumee Bay Off Maumee Bay State Park Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nuisance exotic species, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal), pCBs, sediment / turbidity. Check local advisories before you swim.
Are there boat ramps on Maumee Bay Off Maumee Bay State Park Lake?
- Maumee Bay Off Maumee Bay State Park Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lucas County - Cooley Canal Launch Ramp, Meinke Marina West, Metzger Marsh Launch Ramp. Public access is listed as yes.
Can I fish at Maumee Bay Off Maumee Bay State Park Lake?
- Maumee Bay Off Maumee Bay State Park Lake has 3 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 Maumee Bay Off Maumee Bay State Park Lake?
- Maumee Bay Off Maumee Bay State Park Lake has 1 public campground from USGS The National Map within 5 km, including Maumee Bay 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.
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Where this data comes from
89 measurements from 1 monitoring station, 2021–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Division of Surface water (Ohio)
21OHIO_WQX89 samples · 2021–2024
Analytical methods
- Total Phosphorus After Block Digestion
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
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
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles