Jefferson Twp W U Lk Hop
EPA ID: NJ1414011 · 8,500 people served · 3 ZIP codes
Compliance tracking for Jefferson Twp W U Lk Hop shows 26 pending violations logged in the EPA system — the supplier delivers water to approximately 8,500 residents while those findings remain open.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 7 (2022) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Jefferson Twp W U Lk Hop Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Jefferson Twp W U Lk Hop serves a community with a median household income of $111,081 and an estimated 31,384 residents across its service area. Approximately 70% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Jefferson Twp W U Lk Hop's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 1% of homes in Passaic County, New Jersey rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 83th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Jefferson Twp W U Lk Hop compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 30 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 13 presence exceeds the EPA maximum of presence.
Consumer Confidence Report Rule at 11 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 6 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 5 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 18 detections recorded. 6 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Comparable Water Systems
Similar-sized systems in New Jersey
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Jefferson Twp W U Lk Hop (EPA ID: NJ1414011) is a community water system in New Jersey that serves approximately 8,500 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Average Home Safety Score: D (42/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| September 1, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| July 11, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| July 1, 2025 | Stage 1 DBP Rule | Monitoring | Unresolved |
| June 21, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| June 11, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| June 1, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| May 1, 2025 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| April 1, 2025 | Stage 1 DBP Rule | Health-based | Unresolved |
| April 1, 2025 | Contaminant 1052 | Monitoring | Unresolved |
| January 1, 2025 | Stage 1 DBP Rule | Health-based | Unresolved |
| December 30, 2024 | Stage 1 DBP Rule | Monitoring | Unresolved |
| December 10, 2024 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| October 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| September 19, 2024 | Consumer Confidence Report Rule | Health-based | Resolved |
| July 17, 2024 | Total Coliform | Monitoring | Resolved |
| July 1, 2024 | Stage 1 DBP Rule | Monitoring | Unresolved |
| July 1, 2024 | Stage 1 DBP Rule | Health-based | Unresolved |
| June 19, 2024 | Total Coliform | Monitoring | Resolved |
| May 10, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| March 31, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 30 | Yes |
| Revised Total Coliform Rule | Microbiological | 13 | No |
| Consumer Confidence Report Rule | Reporting Failure | 11 | Yes |
| Lead and Copper Rule | Treatment Failure | 6 | No |
| Surface Water Treatment Rule | Treatment Failure | 5 | No |
| Total Coliform | Microbiological | 3 | No |
| Contaminant 1052 | Other Violation | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by NJ or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Jefferson Twp W U Lk Hop (NJ1414011) on EPA.gov.
Frequently Asked Questions
Is Jefferson Twp W U Lk Hop water safe to drink?
Jefferson Twp W U Lk Hop has recorded 10 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Jefferson Twp W U Lk Hop serve?
Jefferson Twp W U Lk Hop serves approximately 8,500 people across 3 ZIP codes in New Jersey.
Where does Jefferson Twp W U Lk Hop get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: NJDEP Public Community Water Purveyor SLI · Submitted 2024
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Jefferson Twp W U Lk Hop (EPA ID: NJ1414011) — request the latest Consumer Confidence Report or ask about specific contaminants.