Historical Compliance Records NJ

Hamilton Township Mua

EPA ID: NJ0112001 ยท 21,720 people served ยท 2 ZIP codes

ZipCheckup's reading of EPA SDWIS for Hamilton Township Mua (NJ0112001): 4 EPA violations in the last five years. On record: Hamilton Township Mua, 4 violations, all resolved, 21,720 in service area.

Data: EPA SDWIS

B ยท 82
Avg Safety Score
21,720
People Served
2
ZIP Codes Served
4
Violations (5yr)
Groundwater
Water Source
0.00186 mg/L
Max Lead Level
Zone 3
Radon Risk ยท Low
2
Contaminants Flagged
$269K
Median Home Value in Service Area

Service Area Map

Coverage area for Hamilton Township Mua Source: EPA SDWIS service area boundaries.

Service area boundary - Grade B

Service Area Demographics

$83,372
Median Household Income
53,394
Service Area Population
38%
Disadvantaged Population
50th
Poverty Percentile
70th
Energy Burden Percentile
58%
Pre-1986 Housing

The Hamilton Township Mua serves a community with a median household income of $83,372 and an estimated 53,394 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: 38% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Hamilton Township Mua'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.

Elevated Risk
Source Contamination Risk
0th
Wastewater Discharge Proximity
80th
Superfund Site Proximity

Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.

Infrastructure Risk

47 yr
Avg Pipe Age
Copper
Pipe Material
23 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 67% of expected lifespan used End of life

Detected Contaminants

How Hamilton Township Mua compares to EPA limits

What This Means For You

Revised Total Coliform Rule at 3 presence exceeds the EPA maximum of presence.

Stage 1 DBP Rule at 1 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. 7 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS).

State limits: PFOA: 0.014 ppt, PFOS: 0.013 ppt, PFNA: 0.013 ppt
Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter โ†’

Comparable Water Systems

Similar-sized systems in New Jersey

Montville Twp Mua
22,000 people
D 4 violations
Hackettstown Mua
22,000 people
D 18 violations
C 6 violations
A 1 violation
37 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance PFAS Treatment Water Filtration
Flood Insurance $1,800
PFAS Treatment $600
Water Filtration $300
Total Estimated Cost $2,700

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.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $500

Annual per household (CDC est.)

PFAS Exposure - Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$2,665
10 years
$5,330
20 years
$10,660

Compare: Estimated remediation cost is $2,700 (one-time) vs. $5,330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Hamilton Township Mua (EPA ID: NJ0112001) is a community water system in New Jersey that serves approximately 21,720 people from groundwater sources.

This system provides water to 2 ZIP codes across 2 communities.

ZIP-Area Home Safety Context: B (82/100)

This is the average Home Safety Score for 1 of 2 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 4 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 4 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
December 30, 2024 Stage 1 DBP Rule Non-health-based Resolved
January 1, 2022 Revised Total Coliform Rule Non-health-based Resolved
January 1, 2022 Revised Total Coliform Rule Non-health-based Resolved
January 1, 2022 Revised Total Coliform Rule Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Revised Total Coliform Rule Microbiological 3 No
Stage 1 DBP Rule Treatment Failure 1 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0.00186 mg/L No N/A

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” 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 Hamilton Township Mua (NJ0112001) on EPA.gov.

Frequently Asked Questions

Is Hamilton Township Mua water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Hamilton Township Mua; its 4 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Hamilton Township Mua serve?

Hamilton Township Mua serves approximately 21,720 people across 2 ZIP codes in New Jersey.

Where does Hamilton Township Mua 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.

Samples collected
290
Detections
2
Latest sample
3/3/2025
Highest analyte
PFOA: 5.2 ppt
Analyte Max detected Current MCL Status
PFOA 5.2 ppt 10 ppt Above 2029 federal 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) โ€” per-system federal sampling, 2023โ€“2025. EPA UCMR5 monitoring program โ†’

Understand PFAS health context and filtration โ†’

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

Is water from Hamilton Township Mua safe to drink?
Hamilton Township Mua earns a B safety grade with 4 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
What contaminants are in Hamilton Township Mua's water?
Detected contaminants include Revised Total Coliform Rule, Stage 1 DBP Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 2 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Hamilton Township Mua serve?
Hamilton Township Mua serves approximately 21,720 people with drinking water across 2 ZIP codes.
What is Hamilton Township Mua's water source?
Hamilton Township Mua draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Hamilton Township Mua's water?
The maximum detected lead level is 0.00186 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Hamilton Township Mua's service area?
The Hamilton Township Mua service area has a median household income of $83,372. EPA EJScreen data classifies 38% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Hamilton Township Mua get its water?
Hamilton Township Mua'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. Based on the exported violation history and environmental factors, the source contamination risk is classified as elevated.

How to cite this page

APA ZipCheckup. (n.d.). Hamilton Township Mua (NJ): 4 EPA Violations. https://zipcheckup.com/water-system/nj0112001/
BibTeX
@misc{zipcheckup-water-system-nj0112001,
  author = {{ZipCheckup}},
  title  = {{Hamilton Township Mua (NJ): 4 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/nj0112001/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Hamilton Township Mua (EPA ID: NJ0112001) - request the latest Consumer Confidence Report or ask about specific contaminants.

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