Dolby Pond
Penobscot County, Maine2,048 acresView mapDirections
Maine DEP publishes the water-quality measurements for Dolby Pond. Here is what has been measured.
- Public access
- Limited data
Dolby Pond in Penobscot County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Chlorophyll-a (algae): 0.7 µg/L. Surface area: 2048 acres.
Dolby Pond is a 2,048-acre lake in Penobscot County, Maine. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-08-31. Methodology: how these readings are compared.
What Dolby Pond is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Big water2,048 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Dolby Pond is safe to swim in today is a call for the Maine Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Dolby Pond
These are the measurements Maine DEP publishes for Dolby Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Chlorophyll-a 0.7 µg/L. TSI 27.
| 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 | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 0.7µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 27 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Dolby Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
2,048 acres
Public access
Yes
Listed by Maine DEP
No bathymetric survey has been published for Dolby Pond, so its depth is not documented here.
Recreation & Access
- Dolby Pond (Rt.11 Main St.)Public
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Dolby Pond
Compare lakeside cabins, hotels, and vacation rentals near Dolby Pond in Penobscot County, Maine — 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 Dolby Pond
Prices for Oct 2–4, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Dolby Pond’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Dolby Pond
Reservoir Info (USACE NID)
Dolby Pond is a man-made reservoir impounded by the Dolby (completed 1906), built primarily for hydroelectric on the West Branch Penobscot River; concrete-type dam, 66 ft tall and 1,395 ft long.
- Surface area
- 2,048 ac
- Normal storage
- 41,956 ac-ft
- Max storage
- 41,956 ac-ft
- Drainage area
- 2,108 sq mi
- Hazard class
- High
All listed purposes: Hydroelectric;Navigation;Fish and Wildlife Pond;Recreation;Water Supply;Flood Risk Reduction.
Source: USACE National Inventory of Dams, NID ID ME00201 · Operator website
Nearby Lakes in Penobscot County
Frequently asked questions about Dolby Pond
Where is Dolby Pond?
- Dolby Pond is a lake in Penobscot County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Dolby Pond?
- Dolby Pond in Penobscot County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Chlorophyll-a (algae): 0.7 µg/L. Surface area: 2048 acres.
Is Dolby Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Dolby Pond?
- Dolby Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Dolby Pond (Rt.11 Main St.). Public access is listed as yes.
Can I fish at Dolby Pond?
- Dolby Pond 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 Maine's fish and wildlife agency, so check its current regulations before you go.
Explore Dolby Pond across LakeQuality
More lakes in Maine
Other Lakes in Maine
Oligotrophic Lakes in Maine
Where this data comes from
1 measurement from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples1 sample · 2020
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