CITY REPORT NJ

Northfield, NJ Home Safety: Home Safety 83/100

1 ZIP code · 2 water systems · Updated

ZipCheckup grade for Northfield: B.

This ZIP looks solid, with a few items worth a quick check.

The water systems supplying Northfield show a track record of above-average compliance with federal standards - consistently among the better performers in NJ.

How Northfield Compares

Northfield83/100
New Jersey avg61/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
0
ZIPs with Violations
B · 83
Avg Safety Score
Zone 3
Radon Risk (Low)
$276K
Median Home Value
$2,400
Est. Remediation (0.9% of home value)

What You Should Know About Northfield Water

  • Average lead level: 0.0062 mg/L.
  • Homes built before 1986: 77% - older plumbing may contain lead solder.
  • Estimated remediation: $2,400 per household.
  • CDC health risk index: 12.5 - above typical levels.

Who Supplies Your Water in Northfield

Across Northfield, NJ, residential water comes from 2 primary utilities rather than a single consolidated provider. Each system operates independently - managing its own distribution infrastructure, rate schedules, and EPA compliance filings. Federal records track 2 water systems in the area, with these top providers accounting for the majority of residential connections.

Overview

We track home safety data for 1 ZIP code in Northfield, New Jersey (population ~8,427), covering 2 community water systems serving approximately 130,923 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Northfield: B (83/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Northfield water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0062 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

Areas with No Violations

ZIP Code Safety Score System Population
08225 B Nj American Water - Atlantic County 120,146

All ZIP Codes in Northfield

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Health Outcomes in Northfield

9.5%
Asthma (US: 9.8%)
12.7%
Diabetes (US: 10.4%)
15.9%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.5% ↓
Diabetes 12.7% ↑
Mental Health 15.9% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Northfield

1965
Median Build Year
77%
Built Before 1986
40%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 77% 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

The median home in Northfield was built in 1965 - a figure that places most of the city's residential stock in the era when lead solder was still standard in copper plumbing. Homes built before 1986 may have lead-soldered joints; those built before 1970 face the additional possibility of lead pipes in the service line itself.

1965
Median Year Built
77%
Pre-1986 (Lead Paint Risk)
40%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (40%) 1970–1986 (37%) Post-1986 (23%)

Over half of homes in Northfield 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.

Cost Context: What Remediation Means for Northfield Homeowners

The household financial picture for Northfield homeowners is proportionally favorable - addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.

Median Home Value
$275,900
Est. Remediation
$2,400
Remediation as % of home value 0.9%

Remediation costs in Northfield are relatively low compared to home values. The $1,600–$3,300 estimated range is a small fraction of median property value. Home values are 43% below the New Jersey average.

Lead Exposure Risk for Children in Northfield

77%
Homes Built Before 1986
0.0062
mg/L Avg Lead (Limit: 0.015)

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.

Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet - and where 77% of Northfield homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical NFIP Claim Context in Northfield

33
Total FEMA Flood Claims
$41,859
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Northfield contains 33 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $41,859. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

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. The <strong>$2,400</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

What does the Home Safety Score mean for Northfield, NJ?
Northfield has an average Home Safety Score of 83/100 (Grade B) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Northfield water have lead?
The average 90th-percentile lead level in Northfield is 0.0062 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Northfield compare to New Jersey average?
Northfield has an average Home Safety Score of 83/100, which is above the New Jersey state average of 61/100 for the same model series.
How many water systems serve Northfield?
Northfield is served by 2 public water systems across 1 ZIP code, serving approximately 8,427 people.
How much does it cost to fix water issues in Northfield?
Estimated remediation costs in Northfield average $2,400 per household, ranging from $1,600 to $3,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNew Jersey → Northfield, NJ

How to cite this page

APA ZipCheckup. (2026). Northfield, NJ Home Safety: Home Safety 83/100. https://zipcheckup.com/cities/nj/northfield/
BibTeX
@misc{zipcheckup-cities-nj-northfield,
  author = {{ZipCheckup}},
  title  = {{Northfield, NJ Home Safety: Home Safety 83/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/nj/northfield/}
}

Page version: August 2026.

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