CITY REPORT CA

Newark, CA Home Safety: Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$1.1M
Median Home Value
$2,200
Est. Remediation (0.2% of home value)

What You Should Know About Newark Water

  • Homes built before 1986: 73% - older plumbing may contain lead solder.
  • Estimated remediation: $2,200 per household.
  • CDC health risk index: 9.67.

Who Supplies Your Water in Newark

In Newark, CA, the drinking water supply is organized under a single dominant utility - a consolidated structure that shapes how infrastructure investment, regulatory compliance, and rate decisions flow to households. When one provider handles the overwhelming share of residential connections out of 1 tracked system, accountability is clear: service upgrades, EPA violation responses, and tariff changes all funnel through that single organizational structure.

Overview

We track home safety data for 1 ZIP code in Newark, California (population ~47,145), covering 1 community water system serving approximately 344,000 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.

Water Sources

Newark water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 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.

Areas with No Violations

ZIP Code Safety Score System Population
94560 Alameda County Water District 344,000

All ZIP Codes in Newark

Data Sources

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

Health Outcomes in Newark

8.8%
Asthma (US: 9.8%)
11%
Diabetes (US: 10.4%)
15%
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 8.8% ↓
Diabetes 11% ↑
Mental Health 15% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Newark

1976
Median Build Year
73%
Built Before 1986
16%
Built Before 1970
Copper
Likely Pipe Material

With 73% 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, Newark is predominantly an older city - a median build year of 1976 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.

1976
Median Year Built
73%
Pre-1986 (Lead Paint Risk)
16%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (16%) 1970–1986 (57%) Post-1986 (27%)

Over half of homes in Newark 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 Newark Homeowners

How much of a Newark home's value does documented remediation represent? A small fraction - the equity share here is in the low tier, and from a household financial perspective, most property owners are considering a commitment that fits comfortably within standard planning rather than a decision that rises to the level of a material budget event or significant equity consideration.

Median Home Value
$1.1M
Est. Remediation
$2,200
Remediation as % of home value 0.2%

Remediation costs in Newark are relatively low compared to home values. The $1,200–$3,300 estimated range is a small fraction of median property value. Home values are 48% above the California average.

Lead Exposure Risk for Children in Newark

73%
Homes Built Before 1986

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 Newark - 73% 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 NFIP Claim Context in Newark

6
Total FEMA Flood Claims
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Newark contains 6 flood insurance claims. 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 systems serve Newark?
Newark is served by 1 public water system across 1 ZIP code, serving approximately 47,145 people.
How much does it cost to fix water issues in Newark?
Estimated remediation costs in Newark average $2,200 per household, ranging from $1,200 to $3,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → Newark, CA

How to cite this page

APA ZipCheckup. (2026). Newark, CA Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/ca/newark/
BibTeX
@misc{zipcheckup-cities-ca-newark,
  author = {{ZipCheckup}},
  title  = {{Newark, CA Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/newark/}
}

Page version: August 2026.

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