Lake Ronkonkoma
Lake Ronkonkoma in Suffolk County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 229 acres.
- Area
- 229 acres
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Why Lake Ronkonkoma 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 Lake Ronkonkoma, no water-quality sampling on record for this lake.
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 NYSDEC and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Ronkonkoma is a 229-acre lake in Suffolk County, New York.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Lake Ronkonkoma water quality
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Ronkonkoma
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lake Ronkonkoma
Compare lakeside cabins, hotels, and vacation rentals near Lake Ronkonkoma in Suffolk County, New York — 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 Ronkonkoma
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 229 acres |
No bathymetric survey has been published for Lake Ronkonkoma, so its depth is not documented here.
Recreation & Access
- Lake RonkonkomaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Ronkonkoma
Nearby Lakes in Suffolk County
Frequently asked questions about Lake Ronkonkoma
Where is Lake Ronkonkoma?
- Lake Ronkonkoma is a lake in Suffolk County, New York. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Lake Ronkonkoma?
- Lake Ronkonkoma in Suffolk County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 229 acres.
Is Lake Ronkonkoma safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Ronkonkoma is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Lake Ronkonkoma?
- Lake Ronkonkoma has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Ronkonkoma.
Explore Lake Ronkonkoma across LakeQuality
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Where this data comes from
Measurements for Lake Ronkonkoma come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory