Jerome Lake
Addison County, Vermont18 acresView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
- Limited data
Jerome Lake in Addison County, Vermont is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 164 µg/L. Chlorophyll-a (algae): 40.6 µg/L. Surface area: 18 acres.
- Area
- 18 acres
- Phosphorus
- 164 µg/L
- Chlorophyll-a
- 40.6 µg/L
- Public access
- Yes
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Watch Jerome Lake’s letter
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Why Jerome Lake 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 Jerome Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded phosphorus and algae (chlorophyll-a), but not water clarity.
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 VT DEC and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Jerome Lake is a 18-acre lake in Addison County, Vermont. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2021-09-01. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Jerome Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Water quality measurements for Jerome Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Phosphorus 164 µg/L. Chlorophyll-a 40.6 µg/L. TSI 72.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 164 µg/L | Not graded |
| Chlorophyll-a (Algae) | 40.6 µg/L | Not graded |
| Trophic State Index (TSI) | 72 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 18 acres |
| Public Access | Yes |
No bathymetric survey has been published for Jerome Lake, so its depth is not documented here.
Fishing Jerome Lake
Reservoir Info (USACE NID)
Jerome Lake is a man-made reservoir impounded by the Jerome (completed 1957), built primarily for fish and wildlife pond on the Dead Creek-Tr; earth-type dam, 11 ft tall and 400 ft long.
- Surface area
- 18 ac
- Normal storage
- 0 ac-ft
- Max storage
- 120 ac-ft
- Drainage area
- 0.5 sq mi
- Hazard class
- Low
- Owner
- STATE OF VERMONT - DFW
Source: USACE National Inventory of Dams, NID ID VT00143 · Operator website
EPA Impairment Status
Jerome Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit VT03-09L01 · Official waterbody report
Graded lakes near Jerome Lake
Jerome Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Addison County
Frequently asked questions about Jerome Lake
Where is Jerome Lake?
- Jerome Lake is a lake in Addison County, Vermont. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Jerome Lake?
- Jerome Lake in Addison County, Vermont is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 164 µg/L. Chlorophyll-a (algae): 40.6 µg/L. Surface area: 18 acres.
Is Jerome Lake safe to swim in?
- The letter is not a swimming clearance. Jerome Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Explore Jerome Lake across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ2 samples · 2021
Analytical methods
- EPA approved Alternate Test Procedure for 4500 P H. Has a 28 day hold without acid preservation.
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database