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SEA ISLE CITY WATER DEPARTMENT

PWS ID: NJ0509001 · SEA ISLE CITY, New Jersey 08243

SEA ISLE CITY WATER DEPARTMENT serves 15,800 people in SEA ISLE CITY, New Jersey using Groundwater water sources. It has 49 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SEA ISLE CITY WATER DEPARTMENT

SEA ISLE CITY WATER DEPARTMENT is a local-owned community water system that delivers drinking water to 15,800 residents in SEA ISLE CITY, New Jersey (Cape May County) through 7,240 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 49 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 46 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is ETHYLENE DIBROMIDE, recorded in 8 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across New Jersey, EPA tracks 3,428 public water systems serving 9,570,926 people, with 204,988 cumulative violations and 22,229 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 59.8 violations. SEA ISLE CITY WATER DEPARTMENT's 49 violations sit below the New Jersey average. Statewide, 208 of 264 UCMR5-tested systems have reported PFAS detections (78.8%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
15,800
Total Violations
49
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
7,240
County
Cape May
School/Daycare
No
MCL Violations
0
Monitoring Violations
46
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
ETHYLENE DIBROMIDE MR 8 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 8 2020
Nitrite MR 3 1997
Arsenic MR 3 1988
Selenium MR 3 1988
Fluoride MR 3 1988
Chromium MR 3 1988
Cadmium MR 3 1988
Barium MR 3 1988
Nitrate MR 2 2003
Mercury MR 2 1988
Chlorine MR 2 2014
Lead and Copper Rule MR 2 2023
Gross Alpha, Excl. Radon and U MR 1 1980

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 6/28/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 6/28/2024 <9 µg/L 9 µg/L Not Detected
NEtFOSAA 6/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/28/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/28/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 6/28/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 6/28/2024 <9 µg/L 9 µg/L Not Detected
NEtFOSAA 6/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/28/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/28/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHxS 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/28/2024 <9 µg/L 9 µg/L Not Detected
PFBA 6/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/28/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/28/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFEESA 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/28/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/28/2024 <0.006 µg/L 0.006 µg/L Not Detected
HFPO-DA 6/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/28/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 6/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 6/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 6/28/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFTA 6/28/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/28/2024 <0.007 µg/L 0.007 µg/L Not Detected
lithium 6/28/2024 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 6/28/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 12/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 12/30/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 12/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 12/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 12/30/2024 <0.003 µg/L 0.003 µg/L Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for SEA ISLE CITY WATER DEPARTMENT.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NJ0509001 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Jersey Drinking Water Authority

NJ DEP — Bureau of Safe Drinking Water is the primacy agency that licenses and inspects SEA ISLE CITY WATER DEPARTMENT under EPA-delegated authority.

Open NJ regulator portal

Source: NJ DEP — Bureau of Safe Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 Lead and Copper Rule MR 2 SDWIS / NJ0509001 / 5000
2020 ETHYLENE DIBROMIDE MR 8 SDWIS / NJ0509001 / 2946
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 8 SDWIS / NJ0509001 / 2931
2014 Chlorine MR 2 SDWIS / NJ0509001 / 0999
2003 Nitrate MR 2 SDWIS / NJ0509001 / 1040
1997 Nitrite MR 3 SDWIS / NJ0509001 / 1041
1988 Arsenic MR 3 SDWIS / NJ0509001 / 1005
1988 Selenium MR 3 SDWIS / NJ0509001 / 1045
1988 Fluoride MR 3 SDWIS / NJ0509001 / 1025
1988 Chromium MR 3 SDWIS / NJ0509001 / 1020
1988 Cadmium MR 3 SDWIS / NJ0509001 / 1015
1988 Barium MR 3 SDWIS / NJ0509001 / 1010
1988 Mercury MR 2 SDWIS / NJ0509001 / 1035
1980 Gross Alpha, Excl. Radon and U MR 1 SDWIS / NJ0509001 / 4000

How SEA ISLE CITY WATER DEPARTMENT Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric SEA ISLE CITY WATER DEPARTMENT New Jersey avg Federal benchmark
Total violations 49 59.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 6.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 78.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 15,800 2,792 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,428 regulated public water systems in New Jersey.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SEA ISLE CITY WATER DEPARTMENT water safe to drink? ▼
SEA ISLE CITY WATER DEPARTMENT (PWS ID: NJ0509001) has 49 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 15,800 people using Groundwater sources.
How many people does SEA ISLE CITY WATER DEPARTMENT serve? ▼
SEA ISLE CITY WATER DEPARTMENT serves 15,800 people in SEA ISLE CITY, New Jersey. It is a Local-owned system using Groundwater water sources with 7,240 service connections.
What type of violations does SEA ISLE CITY WATER DEPARTMENT have? ▼
SEA ISLE CITY WATER DEPARTMENT has 49 total violations: 0 health-based violations (MCL exceedances or treatment failures), 46 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SEA ISLE CITY WATER DEPARTMENT water? ▼
No. SEA ISLE CITY WATER DEPARTMENT was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does SEA ISLE CITY WATER DEPARTMENT use? ▼
SEA ISLE CITY WATER DEPARTMENT uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial