CITY REPORT NJ

Maplewood, NJ: 3 Violations - Home Safety Score unavailable

1 ZIP code · 2 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
1
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$685K
Median Home Value
$2,200
Est. Remediation (0.3% of home value)

Maplewood Water: The Quick Version

  • Your city's water systems recorded 3 violations in the past 5 years.
  • Average lead level: 0.003 mg/L.
  • Homes built before 1986: 88% - older plumbing may contain lead solder.
  • Estimated remediation: $2,200 per household.
  • CDC health risk index: 11.32.

Water Systems Serving Maplewood

Residential addresses in Maplewood, 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 home safety data for 1 ZIP code in Maplewood, New Jersey (population ~25,406), covering 2 community water systems serving approximately 832,660 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.

Water Sources

Maplewood water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0030 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 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Contaminant 2931 Other 2 1
Contaminant 2946 Other 2 1
E. coli Microbiological 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
07040 3 0 Nj American Water - Short Hills

All ZIP Codes in Maplewood

Data Sources

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

CDC Health Data for Maplewood

9.8%
Asthma (US: 9.8%)
12%
Diabetes (US: 10.4%)
16%
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 9.8% ↓
Diabetes 12% ↑
Mental Health 16% ↑

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Maplewood

Contaminant 2931 2 violations
Other
Contaminant 2946 2 violations
Other
E. coli 2 violations
Microbiological
Gastrointestinal illness, potentially fatal

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

How Old Is Maplewood's Housing Stock?

1901
Median Build Year
88%
Built Before 1986
75%
Built Before 1970
Galvanized Steel or Lead
Likely Pipe Material

With 88% 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

Viewed through the lens of construction era, Maplewood is predominantly an older city - a median build year of 1901 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.

1901
Median Year Built
88%
Pre-1986 (Lead Paint Risk)
75%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (75%) 1970–1986 (13%) Post-1986 (12%)

Over half of homes in Maplewood 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.

Maplewood: Remediation Cost in Perspective

Low proportionality - that's the Maplewood picture when remediation costs are placed against typical home equity.

Median Home Value
$684,600
Est. Remediation
$2,200
Remediation as % of home value 0.3%

Remediation costs in Maplewood are relatively low compared to home values. The $1,200–$3,400 estimated range is a small fraction of median property value. Home values are 42% above the New Jersey average.

Protecting Children from Lead in Maplewood

88%
Homes Built Before 1986
0.003
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.

Practically, the structural drivers in Maplewood - 88% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark - make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.

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

Historical Flood-Claim Evidence for Maplewood

140
Total FEMA Flood Claims
$22,189
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Maplewood contains 140 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $22,189. Among ZIP codes with claim records, 100% 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>$2,200</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

How many water violations does Maplewood have?
Maplewood water systems have a total of 3 EPA violations. Violations are tracked across 1 ZIP code.
Does Maplewood water have lead?
The average 90th-percentile lead level in Maplewood is 0.003 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 many water systems serve Maplewood?
Maplewood is served by 2 public water systems across 1 ZIP code, serving approximately 25,406 people.
How much does it cost to fix water issues in Maplewood?
Estimated remediation costs in Maplewood average $2,200 per household, ranging from $1,200 to $3,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNew Jersey → Maplewood, NJ

How to cite this page

APA ZipCheckup. (2026). Maplewood, NJ: 3 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/nj/maplewood/
BibTeX
@misc{zipcheckup-cities-nj-maplewood,
  author = {{ZipCheckup}},
  title  = {{Maplewood, NJ: 3 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/nj/maplewood/}
}

Page version: August 2026.

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