Glen Wild Lake
Passaic County, New Jersey175 acresView mapDirections
NJDEP publishes the water-quality measurements for Glen Wild Lake. Here is what has been measured.
- Impaired · Metals (other than mercury)
- Limited data
Glen Wild Lake in Passaic County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Water clarity: 8.5 ft visibility. Surface area: 175 acres.
Glen Wild Lake is a 175-acre lake in Passaic County, New Jersey.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-08-11. Methodology: how these readings are compared.
Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Glen Wild Lake is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury), nutrients (phosphorus, nitrogen), pathogens (E. coli, fecal), temperature. Check local advisories before you swim.
Whether Glen Wild Lake is safe to swim in today is a call for the New Jersey Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Glen Wild Lake
These are the measurements NJDEP publishes for Glen Wild Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 8.5 ft. TSI 46.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 46 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Glen Wild Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
175 acres
No bathymetric survey has been published for Glen Wild Lake, so its depth is not documented here.
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Fishing Glen Wild Lake
Reservoir Info (USACE NID)
Glen Wild Lake is a man-made reservoir impounded by the Glen Wild Lake Dam (completed 1918), built primarily for recreation on the Mud Brook; earth-type dam, 21 ft tall and 700 ft long.
- Surface area
- 175 ac
- Normal storage
- 2,625 ac-ft
- Drainage area
- 1 sq mi
- Hazard class
- Significant
- Owner
- Glen Wild Lake Association, Inc.
Source: USACE National Inventory of Dams, NID ID NJ00222 · Operator website
EPA Impairment Status
Glen Wild Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Drinking water, Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NJ02030103070070-01 · Official waterbody report
Nearby Lakes in Passaic County
Frequently asked questions about Glen Wild Lake
Where is Glen Wild Lake?
- Glen Wild Lake is a lake in Passaic County, New Jersey. Its water-quality measurements are published by NJDEP and shown on this page as reported.
What is the water quality of Glen Wild Lake?
- Glen Wild Lake in Passaic County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Water clarity: 8.5 ft visibility. Surface area: 175 acres.
Is Glen Wild Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Glen Wild Lake is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury), nutrients (phosphorus, nitrogen), pathogens (E. coli, fecal), temperature. Check local advisories before you swim.
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Where this data comes from
1 measurement from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- North American Lake Management Society
NALMS1 sample · 2021
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database