Beach Pond
Beach Pond in New London County, Connecticut has a water quality grade of B (Good). Phosphorus: 5 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Surface area: 459 acres.
- Area
- 459 acres
- Type
- Oligotrophic
- Public access
- Yes
Beach Pond is a 459-acre cold, clear oligotrophic lake in New London County, Connecticut. Water quality is graded B based on 2 sampling years through 2024. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 9 other monitored lakes in New London County, Beach Pond ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-08-07. Grade methodology: LakeGrade methodology.
Watch Beach Pond water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
No clarity data. Phosphorus level: 5 µg/L. Chlorophyll-a: 1.6 µg/L. Trophic State Index: 31.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 5 µg/L | Good |
| Chlorophyll-a (Algae) | 1.6 µg/L | Not graded |
| Trophic State Index (TSI) | 31 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Beach Pond
Compare lakeside cabins, hotels, and vacation rentals near Beach Pond in New London County, Connecticut — 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 Beach Pond
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 459 acres |
| Public Access | Yes |
No bathymetric survey has been published for Beach Pond, so its depth is not documented here.
Recreation & Access
- Beach PondPublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Beach Pond
Reservoir Info (USACE NID)
Beach Pond is a man-made reservoir impounded by the Beach Pond Dam (completed 1885), built primarily for recreation on the Pachaug River; earth-type dam, 12 ft tall and 350 ft long.
- Surface area
- 459 ac
- Normal storage
- 4,100 ac-ft
- Max storage
- 5,800 ac-ft
- Drainage area
- 4.98 sq mi
- Hazard class
- Significant
- Owner
- Connecticut DEEP
Source: USACE National Inventory of Dams, NID ID CT00628 · Operator website
County Ranking
Ranked #3 of 10 lakes in New London County
Nearby Lakes in New London County
Frequently asked questions about Beach Pond
Where is Beach Pond?
- Beach Pond is a lake in New London County, Connecticut. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Beach Pond?
- Beach Pond in New London County, Connecticut has a water quality grade of B (Good). Phosphorus: 5 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Surface area: 459 acres.
Is Beach Pond safe to swim in?
- Good for swimming, clear water with low algae levels. Beach Pond has a water quality grade of B (Good). Algae concentration (chlorophyll-a) is 1.6 µg/L. Always check local health department advisories before swimming.
Are there boat ramps on Beach Pond?
- Beach Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Beach Pond. Public access is listed as yes.
Explore Beach Pond across LakeGrade
More Connecticut Lake Rankings
Other Grade B Lakes in Connecticut
Oligotrophic Lakes in Connecticut
Where this data comes from
32 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- Connecticut Department Of Energy And Environmental Protection
CT_DEP01_WQX32 samples · 2024
Analytical methods
- Total Phosphorus After Block Digestion
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- Nitrate-Nitrite Nitrogen by Colorimetry
- Turbidity by Nephelometry
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
Named boat-access points from the USGS National Boat Ramps inventory