WaterVerge

Is Hightstown Boro-1104, NJ Tap Water Safe to Drink?

Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

5K residents served 1 water system PWSID: NJ1104001
Overall Score
93.2 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#4 of 435 in New Jersey Top 6% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93.2/100
waterverge.com
A 93.2/100

Hightstown Boro-1104, NJ — Water Quality Report

Hightstown Boro-1104's drinking water received a grade of A (93.2 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 5,400 residents using groundwater.

Lead levels were measured at 1.7 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 36 violations on record, including 1 health-based violation. 3 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Hightstown Boro-1104's water

Hightstown Boro-1104 ranks #4 out of 435 cities in New Jersey for water quality, placing it one of the best in the state.

Hightstown Boro-1104 relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
93.2 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.7 ppb (90th percentile).
Contaminants
18.2/20
A
1 PFAS compound detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Hightstown Boro-1104, NJ water safe to drink?

Concerns Identified

Hightstown Boro-1104's drinking water has significant quality concerns based on EPA testing data. With a grade of A (93.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 5,400 residents using groundwater (wells).

3
Active Violations
1.7 ppb
Lead (90th %ile)
1 compound
PFAS Detected

Recent water quality updates for Hightstown Boro-1104

A timeline of significant water quality events, violations, and data updates.

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hightstown Boro-1104's water quality assessment. Grade: A (93.2/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Total Haloacetic Acids (HAA5).

Key contaminant findings

Based on the most recent EPA sampling data for Hightstown Boro-1104's water supply.

Lead Within Limits
Detected: 1.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 24.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Hightstown Boro-1104's water system has 36 total violations on record, including 1 health-based violation. 3 remain unresolved. 1 violation was issued in the last 5 years.

OtherMRMCL
Most recent violations:
Jul 2021 Consumer Confidence Rule Open
Jul 2015 Consumer Confidence Rule Open
Jan 2015 Total Haloacetic Acids (HAA5) Resolved
Jul 2012 Coliform (TCR) Resolved
Apr 2008 CHLOROBENZENE Resolved

Where does Hightstown Boro-1104's water come from?

Hightstown Boro-1104's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 5,400 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Hightstown Boro-1104 residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Hightstown Boro-1104's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.7 ppb
EPA Action Level: 15 ppb · 11% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
24.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
24.0 µg/L
State screening level: 60 µg/L · 40% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

36
Total violations
1
Health-based
3
Active / unresolved
Jul 2021
Most recent violation
Compliance Record

Violations & advisories

36 Total
3 Active
1 Health-based
33 Resolved
1 SNC
Violations by category
Volatile Organic Chemicals
29
Consumer Confidence Rule
2
Stage 2 Disinfectants and Disinfection Byproducts Rule
1
Total Coliform Rule
1
Inorganic Chemicals
1
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2015 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2015
Jul 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2012
Apr 2008 Resolved
CHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Styrene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
cis-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Xylenes, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
1,2,4-Trichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Ethylbenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
o-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
1,1,1-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Trichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
1,1,2-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
1,2-Dichloropropane
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
trans-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Carbon tetrachloride
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
Benzene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
p-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Showing 20 of 36 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Mercer County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

5.6%
Months in D2+ (last 30y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Recommended water filters

Based on contaminants detected in Hightstown Boro-1104's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.7 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 24.000 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 4.3 ppb from 1992 (6.0 ppb) to 2023 (1.7 ppb).
Contaminant Rankings

See how Hightstown Boro-1104 compares by contaminant

Explore where Hightstown Boro-1104 ranks among all New Jersey cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
5,400
Water Systems
1
Water Source

Where Hightstown Boro-1104's water comes from

Groundwater

Hightstown Boro-1104's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 5,400 people through 1 water system.

Infrastructure

Water systems serving Hightstown Boro-1104

System Name PWSID Population Source
HIGHTSTOWN WATER DEPARTMENT NJ1104001 5,400 GW
Regional Comparison

How Hightstown Boro-1104 compares

Full New Jersey rankings →

Hightstown Boro-1104's score of 93.2/100 is above the average of 63/100 among major New Jersey cities. It outscores 10 of 10 nearby cities.

Hightstown Boro-1104 (this city)
93.2
New Jersey avg
63
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Frequently asked questions

Is Hightstown Boro-1104, NJ tap water safe to drink?

Hightstown Boro-1104's water quality earned a grade of A (93.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #4 out of 435 cities tested in New Jersey.

What contaminants are in Hightstown Boro-1104's water?

Lead was measured at 1.7 ppb (90th percentile). 1 PFAS compound was detected. 36 violations are on record.

How is Hightstown Boro-1104's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Hightstown Boro-1104?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Hightstown Boro-1104's water come from?

Hightstown Boro-1104's water is sourced from Groundwater. The city has 1 water system serving approximately 5,400 residents.

What health violations has Hightstown Boro-1104's water system had?

Hightstown Boro-1104 has 1 health-based violation on record. The most recent violation was recorded in July 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Hightstown Boro-1104's groundwater at risk of contamination?

Hightstown Boro-1104 uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 36 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Hightstown Boro-1104's water compare to other cities?

Hightstown Boro-1104 ranks #4 out of 435 cities in New Jersey (better than 99% of state cities) and #922 out of 15744 cities nationally (94th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.