Metzger Reservoir
Allen County, OhioView mapDirections
Ohio EPA publishes the water-quality measurements for Metzger Reservoir. Here is what has been measured.
- Eutrophic
- Public access
- Limited data
Metzger Reservoir in Allen County, Ohio has water-quality measurements published by Ohio EPA, shown here as reported. Phosphorus: 70.4 µg/L. Chlorophyll-a (algae): 15.6 µg/L.
Metzger Reservoir is a productive, nutrient-rich eutrophic lake in Allen County, Ohio. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 6 other monitored lakes in Allen County, Metzger Reservoir ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Ohio EPA, last sampled 2024-09-18. Methodology: how these readings are compared.
What Metzger Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLimited data
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 Metzger Reservoir 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 Metzger Reservoir
These are the measurements Ohio EPA publishes for Metzger Reservoir, 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 70.4 µg/L. Chlorophyll-a 15.6 µg/L. TSI 62.
| 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 | 70.4µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 15.6µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 62 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Metzger Reservoir
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Metzger ReservoirPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Metzger Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Metzger Reservoir in Allen 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 Metzger Reservoir are listed below.
Top-rated places to stay near Metzger Reservoir
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Fishing Metzger Reservoir
Nearby Lakes in Allen County
Frequently asked questions about Metzger Reservoir
Where is Metzger Reservoir?
- Metzger Reservoir is a lake in Allen County, Ohio. Its water-quality measurements are published by Ohio EPA and shown on this page as reported.
What is the water quality of Metzger Reservoir?
- Metzger Reservoir in Allen County, Ohio has water-quality measurements published by Ohio EPA, shown here as reported. Phosphorus: 70.4 µg/L. Chlorophyll-a (algae): 15.6 µg/L.
Is Metzger Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Metzger Reservoir?
- Metzger Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Metzger Reservoir. Public access is listed as yes.
Can I fish at Metzger Reservoir?
- Metzger Reservoir has 1 documented boat landing 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.
Explore Metzger Reservoir across LakeQuality
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Where this data comes from
50 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Division of Surface water (Ohio)
21OHIO_WQX50 samples · 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