WaterVerge

Is Randolph Twp.-1432, NJ Tap Water Safe to Drink?

Graded B+, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

15K residents served 2 water systems PWSID: NJ1432003
Overall Score
84.3 / 100
Violations
8 active
Last Updated
May 2026
Source
Purchased ground water
#60 of 435 in New Jersey Top 38% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.3/100
waterverge.com
B+ 84.3/100

Randolph Twp.-1432, NJ — Water Quality Report

Randolph Twp.-1432's drinking water received a grade of B+ (84.3 out of 100), indicating good water quality. The city's 2 water systems serve approximately 14,820 residents using purchased ground water.

Lead levels were measured at 3.4 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 86 violations on record, including 3 health-based violations. 8 remain unresolved.

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

What to know about Randolph Twp.-1432's water

Randolph Twp.-1432 ranks #60 out of 435 cities in New Jersey for water quality, placing it above average in the state.

Randolph Twp.-1432 purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

Hexavalent chromium (chromium-6) was detected at 0.69 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.

Quality Breakdown

Water quality score

See methodology →
84.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.5/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 3.4 ppb (90th percentile).
Contaminants
16.9/20
B
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Randolph Twp.-1432, NJ water safe to drink?

Concerns Identified

Randolph Twp.-1432's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 14,820 residents using groundwater (wells).

8
Active Violations
3.4 ppb
Lead (90th %ile)
None
PFAS Detected
10 events
Disaster History

Recent water quality updates for Randolph Twp.-1432

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Randolph Twp.-1432's water quality assessment. Grade: B+ (84.3/100).

Disaster
REMNANTS OF HURRICANE IDA

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

Disaster
REMNANTS OF HURRICANE IDA

Federal disaster declaration (FEMA DR-3573). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Key contaminant findings

Based on the most recent EPA sampling data for Randolph Twp.-1432's water supply.

Lead Within Limits
Detected: 3.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Randolph Twp.-1432's water system has 86 total violations on record, including 3 health-based violations. 8 remain unresolved.

MROtherRPTMONMCL
Most recent violations:
Dec 2020 Lead and Copper Rule Open
Oct 2020 Consumer Confidence Rule Open
Oct 2019 Chlorine Resolved
Oct 2018 Revised Total Coliform Rule Open
Sep 2018 Revised Total Coliform Rule Resolved

Flood & environmental risk

Morris County has experienced 10 federally declared disasters since 1999. 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 Rockaway River At Berkshire Valley, Green Pond Brook At Picatinny Arsenal, Green Pond Bk Blw Picatinny Lk At Picatinny Ars, Rockaway River At Warren Street At Dover, Whippany River Near Morristown.

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 Randolph Twp.-1432's water come from?

Randolph Twp.-1432's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 14,820 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Rockaway River At Berkshire Valley (river), Green Pond Brook At Picatinny Arsenal (river), Green Pond Bk Blw Picatinny Lk At Picatinny Ars (river), Rockaway River At Warren Street At Dover (river), Whippany River Near Morristown (river).

What Randolph Twp.-1432 residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Randolph Twp.-1432'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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Randolph Twp.-1432'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
3.4 ppb
EPA Action Level: 15 ppb · 22% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
0.3 µg/L
EPA MCL: 60 µg/L · 1% of limit
Within LimitUCMR 4 DataHAA6Br: 0.1 µg/LHAA9: 0.4 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.69 µg/L
CA MCL (no federal MCL): 10 µg/L · 7% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
188.6 µg/L
EPA Health Ref Level: 1,500 µg/L · 13% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
18.6 µg/L
EPA Secondary MCL: 50 µg/L · 37% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
1.36 µg/L
EPA Short-term HA: 21 µg/L · 7% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Elevated
115.5 µg/L
EPA Lifetime HA: 210 µg/L · 55% of limit
DetectedUCMR 3 Data
PFAS Testing

Forever chemicals overview

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

Violation summary

86
Total violations
3
Health-based
8
Active / unresolved
Dec 2020
Most recent violation
Compliance Record

Violations & advisories

86 Total
8 Active
3 Health-based
78 Resolved
Violations by category
Volatile Organic Chemicals
42
Inorganic Chemicals
11
Stage 1 Disinfectants and Disinfection Byproducts Rule
7
Total Coliform Rule
6
Radionuclides and Revised Rad Rule
5
Dec 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2020 Active
Consumer Confidence Rule
Other Violation 0
Oct 2018 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Nov 2016 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Aug 2012 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Oct 2019 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Sep 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2018
Jan 2017 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jan 2017 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jan 2017 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jan 2017 Resolved
Antimony, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jan 2017 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2017 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jan 2017 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jan 2017 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jan 2017 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jan 2017 Resolved
Thallium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Showing 20 of 86 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Morris 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.

16.3%
Months in D2+ (last 30y)
7
Weeks at D2+ (last 5y)

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

Morris County has experienced 10 federally declared disasters since 1999. 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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.4 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 ND HI µg/L PFAS Not 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 8.7 ppb from 1992 (12.0 ppb) to 2023 (3.4 ppb).
Contaminant Rankings

See how Randolph Twp.-1432 compares by contaminant

Explore where Randolph Twp.-1432 ranks among all New Jersey cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
14,820
Water Systems
2
Source breakdown
Purchased Groundwater
1
Groundwater
1
Water Source

Where Randolph Twp.-1432's water comes from

Purchased Groundwater

Randolph Twp.-1432 purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Randolph Twp.-1432's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 14,820 people through 2 water systems.

Local Hydrology

Water bodies near Randolph Twp.-1432

Randolph Twp.-1432 is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Rockaway River At Berkshire Valley
river
Green Pond Brook At Picatinny Arsenal
river
Green Pond Bk Blw Picatinny Lk At Picatinny Ars
river
Rockaway River At Warren Street At Dover
river
Whippany River Near Morristown
river
Infrastructure

Water systems serving Randolph Twp.-1432

System Name PWSID Population Source
RANDOLPH TWP PUBLIC WORKS DEPT NJ1432003 14,820 GWP
MORRIS COUNTY MUA NJ1432001 GW
Regional Comparison

How Randolph Twp.-1432 compares

Full New Jersey rankings →

Randolph Twp.-1432's score of 84.3/100 is above the average of 63/100 among major New Jersey cities. It outscores 10 of 10 nearby cities.

Randolph Twp.-1432 (this city)
84.3
New Jersey avg
63
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Frequently asked questions

Is Randolph Twp.-1432, NJ tap water safe to drink?

Randolph Twp.-1432's water quality earned a grade of B+ (84.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #60 out of 435 cities tested in New Jersey.

What contaminants are in Randolph Twp.-1432's water?

Lead was measured at 3.4 ppb (90th percentile). No PFAS compounds were detected. 86 violations are on record.

How is Randolph Twp.-1432'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 Randolph Twp.-1432?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Randolph Twp.-1432's water come from?

Randolph Twp.-1432's water is sourced from Purchased ground water. The city has 2 water systems serving approximately 14,820 residents.

What health violations has Randolph Twp.-1432's water system had?

Randolph Twp.-1432 has 3 health-based violations on record. The most recent violation was recorded in December 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.

Is Randolph Twp.-1432's groundwater at risk of contamination?

Randolph Twp.-1432 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 86 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 Randolph Twp.-1432's water compare to other cities?

Randolph Twp.-1432 ranks #60 out of 435 cities in New Jersey (better than 86% of state cities) and #5954 out of 15744 cities nationally (62th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.