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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.

Phosphorus
66 µg/L
Measured by Ohio EPA
Chlorophyll-a
30.6 µg/L
Measured by Ohio EPA
Trend
Improving
3 years of samples
  • Public access
  • Limited data

Ask about Maumee Bay Off Maumee Bay State Park Lake

Answers come straight from the public measurements and survey records on this page.

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.

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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. Grade methodology: LakeQuality methodology.

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 reading

Limited data

Nutrient and algae readings are not a swimming clearance. 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.

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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.

MetricValueEPA condition class
Water Clarity (Secchi Depth)No recent samples
Phosphorus66 µg/LMeasured, not scored
Chlorophyll-a (Algae)30.6 µg/LMeasured, not scored
Trophic State Index (TSI)64Eutrophic

High nutrients, frequent algae, reduced clarity

Recreation & Access

3
Boat Landings
Yes
Public Access
1
Campgrounds
  • 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

Fishing Maumee Bay Off Maumee Bay State Park Lake

Based on 3 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Phosphorus Improving-5.77 µg/L/yr3
Chlorophyll-a Improving-0.69 µg/L/yr3

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. 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.

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.

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

Named boat-access points from the USGS National Boat Ramps inventory

Public campgrounds from USGS The National Map Structures, within about 3 miles