CITY REPORT NH

Somersworth, NH 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)
$295K
Median Home Value
$3,200
Est. Remediation (1.1% of home value)

Somersworth Water: The Quick Version

  • Homes built before 1986: 76% - older plumbing may contain lead solder.
  • Estimated remediation: $3,200 per household.
  • CDC health risk index: 11.41.

Water Systems Serving Somersworth

Federal records track 1 water system in Somersworth, NH, and a single provider handles the dominant share of residential connections while carrying primary responsibility for EPA compliance.

Overview

We track home safety data for 1 ZIP code in Somersworth, New Hampshire, covering 1 community water system serving approximately 12,145 people. 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

Somersworth 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
03878 Somersworth Water Works 12,200

All ZIP Codes in Somersworth

Data Sources

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

CDC Health Data for Somersworth

10.7%
Asthma (US: 9.8%)
8.6%
Diabetes (US: 10.4%)
17.5%
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 10.7% ↑
Diabetes 8.6% ↓
Mental Health 17.5% ↑

Vertical line = national average. Above national · Below national

How Old Is Somersworth's Housing Stock?

1963
Median Build Year
76%
Built Before 1986
43%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 76% 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 character of Somersworth's housing stock is one of deep historical layering - a median build year of 1963 signals a city built largely before the plumbing era changes of 1986 and 1970. Lead-soldered copper joints and, in the oldest properties, lead service lines are commonly present in this inventory. That context shapes what individual water testing may reveal, particularly in neighborhoods where the oldest housing is concentrated.

1963
Median Year Built
76%
Pre-1986 (Lead Paint Risk)
43%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (43%) 1970–1986 (33%) Post-1986 (24%)

Over half of homes in Somersworth 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.

Somersworth: Remediation Cost in Perspective

The cost-to-value ratio in Somersworth is in the moderate range - neither dismissible nor alarming, but above the threshold where remediation can be treated as incidental. Most homeowners here are weighing a real equity commitment, and the moderate classification reflects that accurately.

Median Home Value
$295,200
Est. Remediation
$3,200
Remediation as % of home value 1.1%

Remediation costs are moderate relative to home values in Somersworth. The estimated $1,950–$5,400 range is manageable for most homeowners but still worth budgeting for. Home values are 19% below the New Hampshire average.

Protecting Children from Lead in Somersworth

76%
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.

Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet - and where 76% of Somersworth 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 Flood-Claim Evidence for Somersworth

2
Total FEMA Flood Claims
$128,301
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Somersworth contains 2 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $128,301. 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>$3,200</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 Somersworth?
Somersworth is served by 1 public water system across 1 ZIP code, serving approximately 12,145 people.
How much does it cost to fix water issues in Somersworth?
Estimated remediation costs in Somersworth average $3,200 per household, ranging from $1,950 to $5,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNew Hampshire → Somersworth, NH

How to cite this page

APA ZipCheckup. (2026). Somersworth, NH Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/nh/somersworth/
BibTeX
@misc{zipcheckup-cities-nh-somersworth,
  author = {{ZipCheckup}},
  title  = {{Somersworth, NH Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/nh/somersworth/}
}

Page version: August 2026.

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