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Sussex Cnty MUA Upper Wallkill Valley Water Pollution Control Facility

3500 North Route 94, Hamburg, NJ 07419 · Sussex County · Publicly Owned Treatment Works

Average flow
1.38 MGD
Design flow
3 MGD
NPDES permit
NJ0053350
Administratively continued
Permit expires
September 2023
Population served
44,856
CWNS 2022

Sussex Cnty MUA Upper Wallkill Valley Water Pollution Control Facility is a publicly owned wastewater treatment works in Hamburg, Sussex County, New Jersey treating an average of 1.38 million gallons per day against a permitted design capacity of 3 MGD, serving about 44,856 residents. It discharges under NPDES permit NJ0053350 (administratively continued), which expires in September 2023, with 75 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Sussex Cnty MUA Upper Wallkill Valley Water Pollution Control Facility.

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Compliance snapshot (last 3 years)

Total violations
75
Effluent violations
63

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Sussex Cnty MUA Upper Wallkill Valley Water Pollution Control Facility in EPA's ICIS system.

Formal actions
0
none on record
EPA inspections
1
latest Jul 2005

No formal federal enforcement case is on record for this plant.

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Every action against Sussex Cnty MUA Upper Wallkill Valley Water Pollution Control Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

Decision-makers at Sussex Cnty MUA Upper Wallkill Valley Water Pollution Control Facility.

No verified contacts on file yet

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Nearby wastewater treatment plants in New Jersey

High Point Regional Hs

Wantage Twp · 5 mi away

0.0028 MGD

Lounsberry Hollow Middle Sch STP

Vernon Twp · 7 mi away

0.0085 MGD

Sussex County Homestead WTP

Frankford · 9 mi away

0.0037 MGD

White Rock STP

Jefferson Twp · 9 mi away

—

0.02 MGD

Jefferson Twp High-Middle School

Jefferson Twp · 9 mi away

0.0039 MGD

0.0047 MGD

Sparta Alpine School

Sparta · 10 mi away

0.0044 MGD

Sussex Cnty MUA Upper Wallkill Valley Water Pollution Control Facility: 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 October 26, 2026; facility record last updated May 21, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms


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