Lake Ninevah
Rutland County, Vermont237 acresView mapDirections
Vermont DEC publishes the water-quality measurements for Lake Ninevah. Here is what has been measured.
- Mesotrophic
- 31 ft max depth
- Public access
Lake Ninevah in Rutland County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 8.2 ft visibility. Phosphorus: 11.4 µg/L. Chlorophyll-a (algae): 2 µg/L. Surface area: 237 acres.
Lake Ninevah is a 237-acre mesotrophic lake in Rutland County, Vermont with an estimated average depth of about 31 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 14 other monitored lakes in Rutland County, Lake Ninevah ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2025-08-21. Methodology: how these readings are compared.
What Lake Ninevah is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Ninevah is safe to swim in today is a call for the Vermont Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Ninevah
These are the measurements Vermont DEC publishes for Lake Ninevah, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 8.2 ft. Phosphorus 11.4 µg/L. Chlorophyll-a 2 µg/L. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 11.4µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 2µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Lake Ninevah
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~31 ft est.
Surface area
237 acres
Public access
Yes
Listed by Vermont DEC
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Vermont has not published bathymetry for Lake Ninevah.
Lake Size & Watershed
Watershed (drainage) area
0 sq mi
HydroLAKES / HydroSHEDS
Shoreline
2.8 mi
HydroLAKES / HydroSHEDS
Elevation
1,762 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
- Joseph WiltshirePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Ninevah
Compare lakeside cabins, hotels, and vacation rentals near Lake Ninevah in Rutland County, Vermont — 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 Lake Ninevah
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Fishing Lake Ninevah
Water Quality Trend: Improving
Based on 5 years of monitoring (2021–2025).
Water clarity
Improving5 years
Phosphorus
Improving-0.8 µg/L/yr4 years
Chlorophyll-a
Improving-0.75 µg/L/yr3 years
Reservoir Info (USACE NID)
Lake Ninevah is a man-made reservoir impounded by the Lake Ninevah (completed 1930), built primarily for recreation on the Patch Brook; earth-type dam, 13 ft tall and 176 ft long.
- Surface area
- 237 ac
- Normal storage
- 0 ac-ft
- Max storage
- 1,500 ac-ft
- Drainage area
- 1.2 sq mi
- Hazard class
- Significant
- Owner
- NINEVAH FOUNDATION
Source: USACE National Inventory of Dams, NID ID VT00203 · Operator website
Nearby Lakes in Rutland County
Frequently asked questions about Lake Ninevah
Where is Lake Ninevah?
- Lake Ninevah is a lake in Rutland County, Vermont. Its water-quality measurements are published by Vermont DEC and shown on this page as reported.
What is the water quality of Lake Ninevah?
- Lake Ninevah in Rutland County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 8.2 ft visibility. Phosphorus: 11.4 µg/L. Chlorophyll-a (algae): 2 µg/L. Surface area: 237 acres.
Is Lake Ninevah safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Ninevah?
- No published bathymetric survey covers Lake Ninevah, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 31 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 237 acres.
Are there boat ramps on Lake Ninevah?
- Lake Ninevah has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Joseph Wiltshire. Public access is listed as yes.
Can I fish at Lake Ninevah?
- Lake Ninevah 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 Vermont's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Ninevah across LakeQuality
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Where this data comes from
72 measurements from 1 monitoring station, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ72 samples · 2021–2025
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)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory