Essex & Union Cnty Joint Meeting STP
Elizabeth, NJ · Union County · Publicly Owned Treatment Works
- Average flow
- 44.93 MGD
- Design flow
- 220 MGD
- NPDES permit
- NJ0024741
- Effective
- Permit expires
- March 2030
- Population served
- 421,182
- CWNS 2022
Essex & Union Cnty Joint Meeting STP is a publicly owned wastewater treatment works in Elizabeth, Union County, New Jersey treating an average of 44.93 million gallons per day against a permitted design capacity of 220 MGD, serving about 421,182 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit NJ0024741 (effective), which expires in March 2030, with 145 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 145
- Effluent violations
- 45
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Essex & Union Cnty Joint Meeting STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Essex & Union Cnty Joint Meeting STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New Jersey
Rahway · 4 mi away
19.3 MGD
Chatham · 12 mi away
1.91 MGD
New Providence · 12 mi away
—
Hoboken · 12 mi away
11.5 MGD
Sayreville · 12 mi away
77.42 MGD
Chatham · 13 mi away
0.71 MGD
Berkeley Heights · 13 mi away
1.15 MGD
Warren · 14 mi away
0.24 MGD
Essex & Union Cnty Joint Meeting STP: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated May 21, 2025.