Dolby Pond
Dolby Pond in Penobscot County, Maine is not rated for water quality — its monitoring record does not meet the evidence bar. Chlorophyll-a (algae): 0.7 µg/L.
Why Dolby Pond has no grade
We grade a lake only when its monitoring record clears the evidence bar: 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 Dolby Pond, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded algae (chlorophyll-a), but not water clarity and phosphorus.
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 your state environmental agency and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Dolby Pond is a lake in Penobscot County, Maine.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-08-31. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Dolby Pond
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Chlorophyll-a: 0.7 µg/L. Trophic State Index: 27.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 0.7 µg/L | Not graded |
| Trophic State Index (TSI) | 27 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay 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
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Fishing Dolby Pond
Graded lakes near Dolby Pond
Dolby Pond has no grade, but these lakes within a short drive do.
Nearby Lakes in Penobscot County
Frequently asked questions about Dolby Pond
What is the water quality grade for Dolby Pond?
- Dolby Pond in Penobscot County, Maine is not rated for water quality — its monitoring record does not meet the evidence bar. Chlorophyll-a (algae): 0.7 µg/L.
Is Dolby Pond safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Dolby Pond is not rated for water quality — its monitoring record does not meet the evidence bar. Algae concentration (chlorophyll-a) is 0.7 µg/L. Always check local health department advisories before swimming.
Explore Dolby Pond across LakeGrade
More Maine Lake Rankings
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)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2020-08-31
Monitoring stations: 1