Skyline Lakes
Skyline Lakes in Passaic County, New Jersey has a water quality grade of D (Nutrient-rich). Water clarity: 5.7 ft visibility. Phosphorus: 42.1 µg/L. Chlorophyll-a (algae): 25.9 µg/L. Surface area: 18 acres.
- Clarity
- 5.7 ft
- Area
- 18 acres
- Type
- Eutrophic
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Skyline Lakes →
Skyline Lakes is a 18-acre productive, nutrient-rich eutrophic lake in Passaic County, New Jersey. Water quality is graded D based on 2 sampling years through 2022. Compared to the 5 other monitored lakes in Passaic County, Skyline Lakes ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-11-02. 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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Murky, only visible to about 5.7 ft. Phosphorus level: 42.1 µg/L. Chlorophyll-a: 25.9 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.7 ft | Not graded |
| Phosphorus | 42.1 µg/L | Poor |
| Chlorophyll-a (Algae) | 25.9 µg/L | Poor |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Skyline Lakes
Compare lakeside cabins, hotels, and vacation rentals near Skyline Lakes in Passaic 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 Skyline Lakes are listed below.
Top-rated places to stay near Skyline Lakes
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 | 18 acres |
No bathymetric survey has been published for Skyline Lakes, so its depth is not documented here.
Fishing Skyline Lakes
Reservoir Info (USACE NID)
Skyline Lakes is a man-made reservoir impounded by the Skyline Lake #2 (Upper) Dam (completed 1946), built primarily for recreation on the Shepard Brook; earth-type dam, 24 ft tall and 230 ft long.
- Surface area
- 18 ac
- Normal storage
- 330 ac-ft
- Max storage
- 400 ac-ft
- Drainage area
- 2.8 sq mi
- Hazard class
- High
- Owner
- Skyline Lake Property Owners
Source: USACE National Inventory of Dams, NID ID NJ00200 · Operator website · Matched by proximity (0.51 km)
EPA Impairment Status
Skyline Lakes is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit NJ02030103070060-01 · Official waterbody report · Matched by proximity (1 km)
County Ranking
Ranked #2 of 6 lakes in Passaic County
Nearby Lakes in Passaic County
Frequently asked questions about Skyline Lakes
Where is Skyline Lakes?
- Skyline Lakes is a lake in Passaic County, New Jersey. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Skyline Lakes?
- Skyline Lakes in Passaic County, New Jersey has a water quality grade of D (Nutrient-rich). Water clarity: 5.7 ft visibility. Phosphorus: 42.1 µg/L. Chlorophyll-a (algae): 25.9 µg/L. Surface area: 18 acres.
Is Skyline Lakes safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Skyline Lakes has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 25.9 µg/L. Always check local health department advisories before swimming.
Explore Skyline Lakes across LakeGrade
More New Jersey Lake Rankings
Other Grade D Lakes in New Jersey
Eutrophic Lakes in New Jersey
Where this data comes from
32 measurements from 2 monitoring stations, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- NJDEP Bureau of Freshwater and Biological Monitoring
NJDEP_BFBM32 samples · 2022
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (2)
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