Brantingham Lake
Lewis County, New York327 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.
- 38 ft max depth
- Limited data
Brantingham Lake in Lewis County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 10.7 ft visibility. Surface area: 327 acres.
- Clarity
- 10.7 ft
- Max depth
- ~38 ft est.
- Area
- 327 acres
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Watch Brantingham Lake’s letter
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Why Brantingham Lake has no grade
Brantingham Lake 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, Brantingham Lake is Not Rated — not an F. Its 10.7-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.
Brantingham Lake is a 327-acre lake in Lewis County, New York with an estimated average depth of about 38 feet.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2020-09-19. Grade methodology: LakeQuality methodology.
What Brantingham Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.7 ft of visibility
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Brantingham Lake
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 10.7 ft. TSI 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10.7 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~38 ft est. |
| Average Depth | ~14 ft est. |
| Surface Area | 327 acres |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. New York has not published bathymetry for Brantingham Lake.
Lake Size & Watershed
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.
Fishing Brantingham Lake
Reservoir Info (USACE NID)
Brantingham Lake is a man-made reservoir impounded by the Brantingham Lake Dam (completed 1914), built primarily for recreation on the TR-FISH CREEK; earth-type dam, 10 ft tall and 144 ft long.
- Surface area
- 327 ac
- Normal storage
- 1,071 ac-ft
- Max storage
- 1,071 ac-ft
- Drainage area
- 1.75 sq mi
- Hazard class
- Low
- Owner
- EDWARD WARNER
Source: USACE National Inventory of Dams, NID ID NY01243 · Operator website
Graded lakes near Brantingham Lake
Brantingham Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Lewis County
Frequently asked questions about Brantingham Lake
Where is Brantingham Lake?
- Brantingham Lake is a lake in Lewis 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 Brantingham Lake?
- Brantingham Lake in Lewis County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 10.7 ft visibility. Surface area: 327 acres.
Is Brantingham Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Brantingham Lake?
- No published bathymetric survey covers Brantingham Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 38 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 327 acres.
Explore Brantingham Lake across LakeQuality
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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
Lake size & watershed from HydroLAKES (HydroSHEDS)