Salem Reservoir
Columbiana County, OhioView mapDirections
Ohio EPA publishes the water-quality measurements for Salem Reservoir. Here is what has been measured.
- Mesotrophic
- 40 ft max depth
- Public access
- Limited data
Salem Reservoir in Columbiana County, Ohio has water-quality measurements published by Ohio EPA, shown here as reported. Phosphorus: 116.1 µg/L. Chlorophyll-a (algae): 5.2 µg/L.
Salem Reservoir is a mesotrophic lake in Columbiana County, Ohio with an estimated average depth of about 40 feet. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 1 other monitored lakes in Columbiana County, Salem Reservoir ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Ohio EPA, last sampled 2022-10-24. Methodology: how these readings are compared.
What Salem 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 Salem 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 Salem Reservoir
These are the measurements Ohio EPA publishes for Salem 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 116.1 µg/L. Chlorophyll-a 5.2 µg/L. TSI 60.
| 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 | 116µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 5.2µg/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. | 60 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Salem Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~40 ft est.
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 Salem Reservoir.
Lake Size & Watershed
Watershed (drainage) area
8 sq mi
HydroLAKES / HydroSHEDS
Surface area
111 acres
HydroLAKES / HydroSHEDS
Shoreline
2 mi
HydroLAKES / HydroSHEDS
Elevation
1,165 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
- Salem 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 Salem Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Salem Reservoir in Columbiana 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 Salem Reservoir are listed below.
Top-rated places to stay near Salem Reservoir
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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Planning a trip? Cabins and lodging at Salem Reservoir → · more Ohio lake trips
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Fishing Salem Reservoir
Nearby Lakes in Columbiana County
Frequently asked questions about Salem Reservoir
Where is Salem Reservoir?
- Salem Reservoir is a lake in Columbiana County, Ohio. Its water-quality measurements are published by Ohio EPA and shown on this page as reported.
What is the water quality of Salem Reservoir?
- Salem Reservoir in Columbiana County, Ohio has water-quality measurements published by Ohio EPA, shown here as reported. Phosphorus: 116.1 µg/L. Chlorophyll-a (algae): 5.2 µg/L.
Is Salem Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Salem Reservoir?
- No published bathymetric survey covers Salem Reservoir, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 40 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Are there boat ramps on Salem Reservoir?
- Salem Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Salem Reservoir. Public access is listed as yes.
Can I fish at Salem Reservoir?
- Salem 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 Salem Reservoir across LakeQuality
More lakes in Ohio
Other Lakes in Ohio
Mesotrophic Lakes in Ohio
Where this data comes from
20 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Division of Surface water (Ohio)
21OHIO_WQX20 samples · 2022
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory