WaterVerge

Is Sussex Boro-1921, NJ Tap Water Safe to Drink?

Graded D+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

2K residents served 1 water system PWSID: NJ1921001
Overall Score
53.8 / 100
Violations
14 active
Last Updated
May 2026
Source
Surface water
#359 of 435 in New Jersey Top 81% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
53.8/100
waterverge.com
D+ 53.8/100

Sussex Boro-1921, NJ — Water Quality Report

Sussex Boro-1921's drinking water received a grade of D+ (53.8 out of 100), indicating poor water quality. The city's 1 water system serves approximately 2,201 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 118 violations on record, including 34 health-based violations. 14 remain unresolved.

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

What to know about Sussex Boro-1921's water

Sussex Boro-1921 ranks #359 out of 435 cities in New Jersey for water quality, placing it among the lowest-rated 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.

As a small community water system, Sussex Boro-1921 may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 15 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
53.8 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
8.8/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Sussex Boro-1921, NJ water safe to drink?

Concerns Identified

Sussex Boro-1921's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (53.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,201 residents using surface water (rivers, lakes, or reservoirs).

14
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Sussex Boro-1921

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Sussex Boro-1921's water quality assessment. Grade: D+ (53.8/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Chlorite.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

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.

Key contaminant findings

Based on the most recent EPA sampling data for Sussex Boro-1921's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.45 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Sussex Boro-1921's water system has 118 total violations on record, including 34 health-based violations. 14 remain unresolved. 15 violations were issued in the last 5 years.

MCLMRTTOther
Most recent violations:
Sep 2025 Chlorite Resolved
Jan 2025 Chlorine Resolved
Oct 2024 Surface Water Treatment Rule Resolved
Sep 2024 Surface Water Treatment Rule Resolved
Apr 2024 TTHM Open

Flood & environmental risk

Sussex County has experienced 10 federally declared disasters since 1975. 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 Wallkill R At Scott Road At Franklin, Wallkill River, East Branch Paulins Kill Near Lafayette.

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 Sussex Boro-1921's water come from?

Sussex Boro-1921's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,201 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Wallkill R At Scott Road At Franklin (river), Wallkill River (river), East Branch Paulins Kill Near Lafayette (river).

What Sussex Boro-1921 residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Sussex Boro-1921'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

Sussex Boro-1921'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
2.45 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

118
Total violations
34
Health-based
14
Active / unresolved
Sep 2025
Most recent violation
Compliance Record

Violations & advisories

118 Total
14 Active
34 Health-based
104 Resolved
13 SNC
Violations by category
Inorganic Chemicals
27
Surface Water Treatment Rule
15
Lead and Copper Rule
15
Stage 2 Disinfectants and Disinfection Byproducts Rule
13
Stage 1 Disinfectants and Disinfection Byproducts Rule
10
Apr 2024 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2018 Active
Consumer Confidence Rule
Other Violation 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Apr 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2017 Active
Revised Total Coliform Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
May 2016 Active
Public Notice
Other Violation 0
Oct 2015 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Apr 2015 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Sep 2025 Resolved
Chlorite
Max Contaminant Level
Health-Based Health Resolved Sep 2025
Jan 2025 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2025
Oct 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2024
Sep 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2024
Jan 2024 Resolved
Lead and Copper Rule
Treatment Technique
Health-Based Health Resolved Jun 2024
Jul 2023 Resolved
Lead and Copper Rule
Treatment Technique
Health-Based Health Resolved Dec 2023
Showing 20 of 118 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Sussex 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.

13.7%
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

Sussex County has experienced 10 federally declared disasters since 1975. 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 Sussex Boro-1921's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.45 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 82.0 ppb from 1993 (82.0 ppb) to 2025 (0.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.710 mg/L from 1993 (3.160 mg/L) to 1995 (2.450 mg/L).
Contaminant Rankings

See how Sussex Boro-1921 compares by contaminant

Explore where Sussex Boro-1921 ranks among all New Jersey cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
2,201
Water Systems
1
Water Source

Where Sussex Boro-1921's water comes from

Surface Water

Sussex Boro-1921'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 2,201 people through 1 water system.

Local Hydrology

Water bodies near Sussex Boro-1921

Sussex Boro-1921 is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Wallkill R At Scott Road At Franklin
river
Wallkill River
river
East Branch Paulins Kill Near Lafayette
river
Infrastructure

Water systems serving Sussex Boro-1921

System Name PWSID Population Source
SUSSEX W DEPT NJ1921001 2,201 SW
Regional Comparison

How Sussex Boro-1921 compares

Full New Jersey rankings →

Sussex Boro-1921's score of 53.8/100 is below the average of 63/100 among major New Jersey cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Sussex Boro-1921 (this city)
53.8
New Jersey avg
63
City Profile

About Sussex Boro-1921, NJ

Wikipedia →

Sussex is a borough in Sussex County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 2,024, a decrease of 106 (−5.0%) from the 2010 census count of 2,130, which in turn reflected a decline of 15 (−0.7%) from the 2,145 counted in the 2000 census.

Economic Profile
$65,481
Median Income
$246,991
Median Home Value
$1,368/mo
Median Rent
4.2%
Unemployment
Community
44.8
Median Age
1,249
People / sq mi
24.6%
College Educated
45%
Homeownership
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Frequently asked questions

Is Sussex Boro-1921, NJ tap water safe to drink?

Sussex Boro-1921's water quality earned a grade of D+ (53.8/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #359 out of 435 cities tested in New Jersey.

What contaminants are in Sussex Boro-1921's water?

Lead was measured at 0.0 ppb (90th percentile). 118 violations are on record.

How is Sussex Boro-1921'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 Sussex Boro-1921?

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

Where does Sussex Boro-1921's water come from?

Sussex Boro-1921's water is sourced from Surface water. The city has 1 water system serving approximately 2,201 residents.

What health violations has Sussex Boro-1921's water system had?

Sussex Boro-1921 has 34 health-based violations on record. The most recent violation was recorded in September 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.

How does Sussex Boro-1921's water compare to other cities?

Sussex Boro-1921 ranks #359 out of 435 cities in New Jersey (better than 17% of state cities) and #12657 out of 15744 cities nationally (20th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Sussex Boro-1921's small water system affect quality?

Sussex Boro-1921's system serves approximately 2,201 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 118 violations on record.