Lake Tibet
Putnam County, New York40 acresView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- Impaired · Mercury
- Limited data
Lake Tibet in Putnam County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 3.7 ft visibility. Surface area: 40 acres.
- Clarity
- 3.7 ft
- Area
- 40 acres
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Stays near Lake Tibet
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Watch Lake Tibet’s letter
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Why Lake Tibet has no grade
Lake Tibet has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Lake Tibet is Not Rated — not an F. Its 3.7-foot median from 8 readings collected 2020 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by NYSDEC and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Tibet is a 40-acre lake in Putnam County, New York.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2020-09-27. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Lake Tibet is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Water quality measurements for Lake Tibet
These readings exist but are not enough for an A–F grade — see why.
Murky, only visible to about 3.7 ft. TSI 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.7 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 40 acres |
No bathymetric survey has been published for Lake Tibet, so its depth is not documented here.
Fishing Lake Tibet
Reservoir Info (USACE NID)
Lake Tibet is a man-made reservoir impounded by the Lake Tibet Dam (completed 1950), built primarily for fire protection, stock, or small fish pond on the PEEKSKILL HOLLOW CREEK; earth-type dam, 8 ft tall and 150 ft long.
- Surface area
- 40 ac
- Normal storage
- 120 ac-ft
- Max storage
- 200 ac-ft
- Drainage area
- 0.25 sq mi
- Hazard class
- Low
- Owner
- TOWN OF KENT
All listed purposes: Fire Protection, Stock, Or Small Fish Pond;Recreation.
Source: USACE National Inventory of Dams, NID ID NY00917 · Operator website
EPA Impairment Status
Lake Tibet is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NY1302-0045 · Official waterbody report · Matched by proximity (2.66 km)
Nearby Lakes in Putnam County
Frequently asked questions about Lake Tibet
Where is Lake Tibet?
- Lake Tibet is a lake in Putnam County, New York. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Lake Tibet?
- Lake Tibet in Putnam County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 3.7 ft visibility. Surface area: 40 acres.
Is Lake Tibet safe to swim in?
- The letter is not a swimming clearance. Lake Tibet is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
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Where this data comes from
8 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS8 samples · 2020
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