Sea Isle City, NJ: 2 Violations — 73/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-04
Although water quality varies across any metro, Sea Isle City's systems collectively post above-average compliance scores for NJ — and documented violations are few.
How Sea Isle City Compares
Data: EPA SDWIS Last verified: 2026-06-04
Key Facts for Sea Isle City Residents
- Your city's water systems recorded 2 violations in the past 5 years.
- Average lead level: 0.0014 mg/L.
- Homes built before 1986: 40% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 13.41 — above typical levels.
Sea Isle City's Water Providers
Federal records list 1 water system serving Sea Isle City, NJ. One provider accounts for the large majority of residential water connections in the area, concentrating infrastructure and compliance accountability.
Overview
We track water quality and home safety data for 1 ZIP code in Sea Isle City, New Jersey (population ~2,079), covering 1 community water system serving approximately 15,800 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Sea Isle City: B (73/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Sea Isle City water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0014 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 2 | 1 |
| Revised Total Coliform Rule | Microbiological | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 08243 | B | 2 | 0 | Sea Isle City Water Department |
All ZIP Codes in Sea Isle City
- 08243 [B] — 2 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Sea Isle City Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Sea Isle City's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Sea Isle City Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
When trying to understand water quality at the household level, the year a home was built often matters more than any city-wide water report. That's because the 1986 federal ban on lead solder in plumbing, and the earlier phase-out of lead pipes before 1970, created sharp discontinuities in residential plumbing risk by construction era. Sea Isle City's median build year of 1999 puts the city in the transition zone: a substantial share of the housing stock postdates the solder ban, but a comparable fraction predates it — with the oldest homes carrying both the solder risk and the pipe risk simultaneously. Whether any individual household sits on the safer or riskier side of these thresholds is the key question, and it's one the city-wide median alone can't answer.
Most homes in Sea Isle City were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Sea Isle City
At current valuations, Sea Isle City sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in Sea Isle City are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 111% above the New Jersey average.
Sea Isle City: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
40% — that captures the slice of Sea Isle City housing dating from before the federal ban on solder containing lead. It pairs with aggregate utility readings that either approach or cross 0.015 mg/L, the benchmark set under the EPA Lead and Copper Rule. Together, the two figures shift one-home reads into a standard household-level confirmation, particularly for families with kids. A certified lead-removal filter is available through retailer-verified channels if a kit returns results that warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Sea Isle City: Flood History & Water Damage Risk
Substantially more flood exposure than most communities appears in Sea Isle City's NFIP record — 2965 documented claims and 100% of ZIP codes in FEMA flood zones. That exposure level makes the water-quality implications of flooding an active planning consideration rather than a background one.
Sea Isle City has a significant flood history with 2,965 FEMA flood insurance claims on record, averaging $12,723 per claim. With 100% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Sea Isle City, NJ