Neptune, NJ: High Radon Risk — 44/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-03
Public water data for Neptune, NJ shows a low safety grade — health-based violations appear across a meaningful share of service areas in current EPA records.
How Neptune Compares
Data: EPA SDWIS Last verified: 2026-06-03
Neptune Water: The Quick Version
- Estimated remediation: $4,000 per household.
- CDC health risk index: 11.84.
Water Systems Serving Neptune
Throughout Neptune, NJ, water comes from one of 2 primary utilities out of 2 total systems — independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.
Overview
We track water quality and home safety data for 2 ZIP codes in Neptune, New Jersey (population ~37,208), covering 2 community water systems serving approximately 397,613 people region-wide.
No EPA violations recorded across any ZIP codes in Neptune — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Neptune: D (44/100)
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
Neptune water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Neptune
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 2 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 07753 | F | Nj American Water - Coastal North | 377,613 |
| 07754 | D | BELMAR WATER DEPT | 20,000 |
All ZIP Codes in Neptune
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.
CDC Health Data for Neptune
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
Neptune: Remediation Cost in Perspective
Viewed from a financial planning lens, Neptune sits in the moderate remediation-share tier — the equity impact of addressing documented issues is real, and deliberate preparation separates smooth outcomes from disruptive ones for most homeowners.
Remediation costs are moderate relative to home values in Neptune. The estimated $2,800–$5,900 range is manageable for most homeowners but still worth budgeting for. Home values are 19% below the New Jersey average.
Climate-Related Water Risk for Neptune
How does Neptune's flood record connect to local water quality? The NFIP documents 378 claims — enough to signal recurring events — and 100% of ZIP codes carry FEMA flood zone status. That combination places flooding in the category of factors that can periodically affect water infrastructure, even if the area isn't among the highest-exposure communities in the NFIP dataset.
Neptune has a moderate flood history with 378 FEMA claims averaging $60,569 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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>$4,000</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.
What You Can Do in Neptune
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Neptune, NJ