Dexter Reservoir
Dexter Reservoir in Lane County, Oregon is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 884 acres.
- Area
- 884 acres
- Public access
- Yes
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Why Dexter 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 Dexter 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 Oregon DEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Dexter Reservoir is a 884-acre lake in Lane County, Oregon. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, Oregon DEQ, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Dexter 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 Dexter 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 Dexter Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Dexter Reservoir in Lane County, Oregon — 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 Dexter Reservoir
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 884 acres |
| Public Access | Yes |
No bathymetric survey has been published for Dexter Reservoir, so its depth is not documented here.
Recreation & Access
- Dexter State ParkPublic
- Lowell ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Dexter Reservoir
Nearby Lakes in Lane County
Frequently asked questions about Dexter Reservoir
Where is Dexter Reservoir?
- Dexter Reservoir is a lake in Lane County, Oregon. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Dexter Reservoir?
- Dexter Reservoir in Lane County, Oregon is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 884 acres.
Is Dexter Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Dexter 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 Dexter Reservoir?
- Dexter Reservoir has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Dexter State Park, Lowell Park. Public access is listed as yes.
Explore Dexter Reservoir across LakeQuality
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Where this data comes from
Measurements for Dexter 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