WaterVerge

Is Marlboro Twp.-1328, NJ Tap Water Safe to Drink?

Graded C+, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

39K residents served 2 water systems PWSID: NJ1328002
Overall Score
68.3 / 100
Violations
7 active
Last Updated
May 2026
Source
Purchased surface water
#290 of 435 in New Jersey Top 71% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
68.3/100
waterverge.com
C+ 68.3/100

Marlboro Twp.-1328, NJ — Water Quality Report

Marlboro Twp.-1328's drinking water received a grade of C+ (68.3 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 38,564 residents using purchased surface water.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 5 PFAS compounds, with levels exceeding EPA maximum contaminant levels in the water supply.

The system has 203 violations on record, including 13 health-based violations. 7 remain unresolved.

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

What to know about Marlboro Twp.-1328's water

Marlboro Twp.-1328 ranks #290 out of 435 cities in New Jersey for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

Of particular concern: PFAS "forever chemical" levels exceed the 2024 EPA maximum contaminant levels. These synthetic compounds don't break down naturally and require specialized filtration such as reverse osmosis or granular activated carbon.

Hexavalent chromium (chromium-6) was detected at 0.16 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
68.3 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
23.8/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
10.5/20
D
5 PFAS compounds detected.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Marlboro Twp.-1328, NJ water safe to drink?

Concerns Identified

Marlboro Twp.-1328's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (68.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 38,564 residents using surface water (rivers, lakes, or reservoirs).

7
Active Violations
1.0 ppb
Lead (90th %ile)
5 compounds
PFAS Detected
10 events
Disaster History

Recent water quality updates for Marlboro Twp.-1328

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

PFAS
5 PFAS "forever chemical" compounds detected

PFAS levels exceed EPA maximum contaminant levels. Reverse osmosis or activated carbon filtration recommended.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Marlboro Twp.-1328's water quality assessment. Grade: C+ (68.3/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Total Haloacetic Acids (HAA5).

Disaster
REMNANTS OF HURRICANE IDA

Federal disaster declaration (FEMA DR-4614). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Marlboro Twp.-1328's water supply.

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (5 compounds) Elevated
Detected: Highest: lithium at 14.3000 µg/L Limit: 0.004 µg/L (EPA MCL)

PFAS "forever chemicals" exceed EPA maximum contaminant levels. Reverse osmosis or granular activated carbon filtration strongly recommended.

PFAS "forever chemicals" detected

UCMR 5 testing found 5 PFAS compounds in Marlboro Twp.-1328's water supply. PFAS are synthetic chemicals that persist indefinitely in the environment and the human body.

Compound Level EPA MCL Status
lithium 14.3000 µg/L 0.004 µg/L Within Limit
PFBA 0.0650 µg/L 0.004 µg/L Within Limit
PFOA 0.0074 µg/L 0.004 µg/L Over MCL
PFHxA 0.0046 µg/L 0.004 µg/L Within Limit

Violation history

Marlboro Twp.-1328's water system has 203 total violations on record, including 13 health-based violations. 7 remain unresolved. 7 violations were issued in the last 5 years.

MRTTRPTMCLOther
Most recent violations:
Jul 2024 Lead and Copper Rule Resolved
Jan 2023 Lead and Copper Rule Resolved
Dec 2022 Total Haloacetic Acids (HAA5) Resolved
Jul 2022 Lead and Copper Rule Resolved
Jan 2022 1,1-Dichloroethylene Resolved

Flood & environmental risk

Cumberland County has experienced 10 federally declared disasters since 1992. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Cohansey River At Seeley.

REMNANTS OF HURRICANE IDA
Hurricane FEMA DR-4614
REMNANTS OF HURRICANE IDA
Hurricane FEMA DR-3573
TROPICAL STORM ISAIAS
Hurricane FEMA DR-4574

Where does Marlboro Twp.-1328's water come from?

Marlboro Twp.-1328's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 38,564 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Cohansey River At Seeley (river).

What Marlboro Twp.-1328 residents can do

Install a water filter

Recommended: Reverse osmosis system. This addresses the specific contaminants found in Marlboro Twp.-1328'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.

Monitor alerts during storms

Marlboro Twp.-1328's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

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
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
14.3000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
24.5 µg/L
EPA MCL: 60 µg/L · 41% of limit
Within LimitUCMR 4 DataHAA6Br: 6.5 µg/LHAA9: 30.6 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.16 µg/L
CA MCL (no federal MCL): 10 µg/L · 2% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
130.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 9% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Elevated
41.5 µg/L
EPA Secondary MCL: 50 µg/L · 83% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
0.20 µg/L
EPA Short-term HA: 21 µg/L · 1% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Elevated
110.0 µg/L
EPA Lifetime HA: 210 µg/L · 52% of limit
DetectedUCMR 3 Data
Lithium
Inorganic
Detected
14.3 µg/L
State screening level: 60 µg/L · 24% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
5
Detected
1
Exceed EPA MCL
1.85
Hazard Index
PFOA max: 0.0074 µg/L
Compliance Record

Violation summary

203
Total violations
13
Health-based
7
Active / unresolved
Jul 2024
Most recent violation
Compliance Record

Violations & advisories

203 Total
7 Active
13 Health-based
196 Resolved
5 SNC
Violations by category
Volatile Organic Chemicals
127
Stage 1 Disinfectants and Disinfection Byproducts Rule
13
Total Coliform Rule
11
Stage 2 Disinfectants and Disinfection Byproducts Rule
10
Inorganic Chemicals
10
Dec 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2019 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Mar 2019 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Sep 2016 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jul 2024 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2023 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2023
Dec 2022 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2023
Jul 2022 Resolved
Lead and Copper Rule
Treatment Technique
Health-Based Health Resolved Dec 2022
Jan 2022 Resolved
1,1-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jul 2021 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2021
Jul 2020 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2020
Jan 2020 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2020
Jan 2020 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2020
Jan 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2020
Oct 2019 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Showing 20 of 203 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Monmouth 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.

6.2%
Months in D2+ (last 30y)

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

Environmental Risk

Flood & disaster history

10
Declared disasters
Sep 2021
Most recent
Hurricane
Most common type

Cumberland County has experienced 10 federally declared disasters since 1992. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2021
REMNANTS OF HURRICANE IDA
Hurricane FEMA #4614
Sep 2021
REMNANTS OF HURRICANE IDA
Hurricane FEMA #3573
Dec 2020
TROPICAL STORM ISAIAS
Hurricane FEMA #4574
Oct 2012
HURRICANE SANDY
Hurricane FEMA #4086
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3354
Aug 2011
HURRICANE IRENE
Hurricane FEMA #4021

Recommended water filters

Based on contaminants detected in Marlboro Twp.-1328's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
PFAS compounds exceed EPA maximum contaminant levels

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 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 14.300 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 0.065 HI µg/L PFAS 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 0.005 HI µg/L PFAS 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 0.007 0.004 µg/L PFAS Over MCL
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA 0.004 HI µg/L PFAS 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 9.2 ppb from 1992 (9.2 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how Marlboro Twp.-1328 compares by contaminant

Explore where Marlboro Twp.-1328 ranks among all New Jersey cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
38,564
Water Systems
2
Water Source

Where Marlboro Twp.-1328's water comes from

Purchased Surface Water

Marlboro Twp.-1328's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 38,564 people through 2 water systems.

Local Hydrology

Water bodies near Marlboro Twp.-1328

Marlboro Twp.-1328 is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Cohansey River At Seeley
river
Infrastructure

Water systems serving Marlboro Twp.-1328

System Name PWSID Population Source
MARLBORO TOWNSHIP WATER UTILITY DIVISION NJ1328002 29,480 SWP
MATAWAN BOROUGH WATER DE NJ1329001 9,084 SWP
Regional Comparison

How Marlboro Twp.-1328 compares

Full New Jersey rankings →

Marlboro Twp.-1328's score of 68.3/100 is above the average of 63/100 among major New Jersey cities. It outscores 5 of 10 nearby cities.

Marlboro Twp.-1328 (this city)
68.3
New Jersey avg
63
City Profile

About Marlboro Twp.-1328, NJ

Wikipedia →

Marlboro Township is a township in Monmouth County, in the U.S. state of New Jersey. The township is located within the Raritan Valley region and is a part of the New York metropolitan area. As of the 2020 United States census, the township's population was 41,502, an increase of 1,311 (+3.3%) from the 2010 census count of 40,191, which in turn reflected an increase of 5,449 (+16.3%) from the 33,423 counted in the 2000 census.

Economic Profile
$93,125
Median Income
13.9%
Unemployment
Community
41.3
Median Age
72
People / sq mi
14.6%
College Educated
92.6%
Homeownership
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Frequently asked questions

Is Marlboro Twp.-1328, NJ tap water safe to drink?

Marlboro Twp.-1328's water quality earned a grade of C+ (68.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #290 out of 435 cities tested in New Jersey.

What contaminants are in Marlboro Twp.-1328's water?

Lead was measured at 1.0 ppb (90th percentile). 5 PFAS compounds were detected. 203 violations are on record.

How is Marlboro Twp.-1328'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 Marlboro Twp.-1328?

PFAS compounds exceed EPA limits — a reverse osmosis or activated carbon filter is recommended.

Where does Marlboro Twp.-1328's water come from?

Marlboro Twp.-1328's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 38,564 residents.

What health violations has Marlboro Twp.-1328's water system had?

Marlboro Twp.-1328 has 13 health-based violations on record. The most recent violation was recorded in July 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

Why does Marlboro Twp.-1328 have so many PFAS compounds in its water?

5 different PFAS "forever chemical" compounds were detected in Marlboro Twp.-1328's water supply during UCMR 5 testing. PFAS contamination often originates from proximity to military installations (AFFF firefighting foam), airports, industrial manufacturing sites, or wastewater treatment facilities. Some levels exceed the 2024 EPA maximum contaminant levels — a reverse osmosis or NSF-certified activated carbon filter is strongly recommended.

How does Marlboro Twp.-1328's water compare to other cities?

Marlboro Twp.-1328 ranks #290 out of 435 cities in New Jersey (better than 33% of state cities) and #11088 out of 15744 cities nationally (30th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.