Lyman Run Reservoir
Lyman Run Reservoir in Potter County, Pennsylvania is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 43 acres.
- Area
- 43 acres
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Why Lyman Run Reservoir has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Lyman Run Reservoir, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by PA DEP and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lyman Run Reservoir is a 43-acre lake in Potter County, Pennsylvania.
Source: EPA Water Quality Portal sampling records, PA DEP, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Lyman Run Reservoir water quality
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lyman Run Reservoir
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lyman Run Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Lyman Run Reservoir in Potter County, Pennsylvania — 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.
Top-rated places to stay near Lyman Run Reservoir
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 43 acres |
No bathymetric survey has been published for Lyman Run Reservoir, so its depth is not documented here.
Recreation & Access
- Lyman Run State ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lyman Run Reservoir
Nearby Lakes in Potter County
Frequently asked questions about Lyman Run Reservoir
Where is Lyman Run Reservoir?
- Lyman Run Reservoir is a lake in Potter County, Pennsylvania. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Lyman Run Reservoir?
- Lyman Run Reservoir in Potter County, Pennsylvania is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 43 acres.
Is Lyman Run Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lyman Run Reservoir is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Lyman Run Reservoir?
- Lyman Run Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lyman Run State Park.
Explore Lyman Run Reservoir across LakeQuality
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Where this data comes from
Measurements for Lyman Run Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory