Newton Lake
Newton Lake in Camden County, New Jersey has a water quality grade of F (Algae-prone). Water clarity: 1.5 ft visibility. Phosphorus: 175 µg/L. Chlorophyll-a (algae): 81.1 µg/L. Surface area: 104 acres.
- Clarity
- 1.5 ft
- Area
- 104 acres
- Type
- Hypereutrophic
Grade F measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Newton Lake →
Newton Lake is a 104-acre highly nutrient-loaded hypereutrophic lake in Camden County, New Jersey. Water quality is graded F based on 2 sampling years through 2024. Compared to the 1 other monitored lakes in Camden County, Newton Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-10-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyBacteria advisory
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.
Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom
Water Quality Grade: F (Algae-prone)
Very murky, less than 1.5 ft of visibility. Phosphorus level: 175 µg/L. Chlorophyll-a: 81.1 µg/L. Trophic State Index: 75.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.5 ft | Not graded |
| Phosphorus | 175 µg/L | Poor |
| Chlorophyll-a (Algae) | 81.1 µg/L | Poor |
| Trophic State Index (TSI) | 75 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Newton Lake
Compare lakeside cabins, hotels, and vacation rentals near Newton Lake in Camden County, New Jersey — 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Newton Lake are listed below.
Top-rated places to stay near Newton Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 104 acres |
No bathymetric survey has been published for Newton Lake, so its depth is not documented here.
Fishing Newton Lake
Reservoir Info (USACE NID)
Newton Lake is a man-made reservoir impounded by the Newton Lake Dam (completed 1929), built primarily for recreation on the Newton Creek Main Branch; earth-type dam, 10 ft tall and 800 ft long.
- Surface area
- 104 ac
- Normal storage
- 125 ac-ft
- Max storage
- 900 ac-ft
- Drainage area
- 4.8 sq mi
- Hazard class
- Significant
- Owner
- NJDOT
Source: USACE National Inventory of Dams, NID ID NJ00914 · Operator website
EPA Impairment Status
Newton Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NJ02040202120090-01 · Official waterbody report · Matched by proximity (0.45 km)
County Ranking
Ranked #2 of 2 lakes in Camden County
Nearby Lakes in Camden County
Frequently asked questions about Newton Lake
Where is Newton Lake?
- Newton Lake is a lake in Camden County, New Jersey. LakeQuality grades it F for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Newton Lake?
- Newton Lake in Camden County, New Jersey has a water quality grade of F (Algae-prone). Water clarity: 1.5 ft visibility. Phosphorus: 175 µg/L. Chlorophyll-a (algae): 81.1 µg/L. Surface area: 104 acres.
Is Newton Lake safe to swim in?
- Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom. Newton Lake has a water quality grade of F (Algae-prone). Algae concentration (chlorophyll-a) is 81.1 µg/L. Always check local health department advisories before swimming.
Explore Newton Lake across LakeGrade
More New Jersey Lake Rankings
Other Grade F Lakes in New Jersey
Hypereutrophic Lakes in New Jersey
Where this data comes from
64 measurements from 4 monitoring stations, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- NJDEP Bureau of Freshwater and Biological Monitoring
NJDEP_BFBM64 samples · 2024
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (4)
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