Port Monmouth, NJ: High Radon Risk — 35/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-04
Port Monmouth, NJ: water systems collectively below average — violations documented.
How Port Monmouth Compares
Data: EPA SDWIS Last verified: 2026-06-04
Port Monmouth Water: The Quick Version
- Homes built before 1986: 59% — older plumbing may contain lead solder.
- Estimated remediation: $3,600 per household.
- CDC health risk index: 11.15.
Water Systems Serving Port Monmouth
Residential addresses in Port Monmouth, NJ are served by 2 primary water providers out of 2 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.
Overview
We track water quality and home safety data for 1 ZIP code in Port Monmouth, New Jersey (population ~4,230), covering 2 community water systems serving approximately 387,718 people region-wide.
No EPA violations recorded across any ZIP codes in Port Monmouth — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Port Monmouth: F (35/100)
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
Port Monmouth water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Port Monmouth
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 07758 | F | Nj American Water - Coastal North | 377,613 |
All ZIP Codes in Port Monmouth
- 07758 [F]
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 Port Monmouth
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
How Old Is Port Monmouth's Housing Stock?
With 59% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Port Monmouth's housing stock is predominantly older, with a median build year of 1975 that reflects decades of construction before federal plumbing standards were tightened. The 1986 ban on lead solder and the pre-1970 era of lead service lines are both relevant benchmarks here — a significant share of the residential inventory predates one or both of those cutoffs, creating an elevated baseline for plumbing-related lead risk that aggregate water quality data may not fully reflect at the household level.
Over half of homes in Port Monmouth were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Port Monmouth: Remediation Cost in Perspective
Placing remediation in the context of Port Monmouth's property market, the equity share is low — most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.
Remediation costs in Port Monmouth are relatively low compared to home values. The $2,400–$4,800 estimated range is a small fraction of median property value. Home values are 1% below the New Jersey average.
Protecting Children from Lead in Port Monmouth
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.
Pulling a tap sample fills the gap that utility data cannot close, particularly here where 59% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Port Monmouth.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Port Monmouth
Across the multi-decade NFIP program, Port Monmouth has logged 996 filed flood claims — a tally that corresponds with 100% of local ZIP codes carrying FEMA flood zone designations. For water quality, the implications extend beyond property damage: when flooding reaches the magnitude this area's record implies, water supply systems face compounding stress. Treatment plants handling contaminated floodwater intake face sharply elevated contaminant loads. Private wells in low-lying FEMA zones are vulnerable to surface infiltration during each major event. Distribution networks can experience pressure-inversion backflow, drawing untreated water back into the supply. These are not remote possibilities at this exposure level.
Port Monmouth has a significant flood history with 996 FEMA flood insurance claims on record, averaging $36,721 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>$3,600</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 Port Monmouth
- 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. With 59% of homes built before 1986, lead solder is a real possibility.
- 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 Port Monmouth, NJ