CITY REPORT NH

Gilmanton, NH Home Safety Data by ZIP

1 ZIP code · 0 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
0
Water Systems
N/A
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$318K
Median Home Value
$1,600
Est. Remediation (0.5% of home value)

What You Should Know About Gilmanton Water

  • Homes built before 1986: 62% - older plumbing may contain lead solder.
  • Estimated remediation: $1,600 per household.
  • CDC health risk index: 12.77 - above typical levels.

Overview

We track home safety data for 1 ZIP code in Gilmanton, New Hampshire, covering 0 community water system serving approximately 2,313 people. The EPA snapshots used for this build directly map water systems to 0 of 1 ZIP codes.

EPA water-system violation data is unavailable in the dataset used for this page for the tracked ZIP codes in Gilmanton.

Lead & Copper

  • Lead data: not yet available for Gilmanton
  • Lead action-level status: not available

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

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

All ZIP Codes in Gilmanton

Data Sources

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

Health Outcomes in Gilmanton

10.3%
Asthma (US: 9.8%)
10.5%
Diabetes (US: 10.4%)
15.1%
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 10.3% ↑
Diabetes 10.5% ↑
Mental Health 15.1% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Gilmanton

1989
Median Build Year
62%
Built Before 1986
26%
Built Before 1970
Copper
Likely Pipe Material

With 62% 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 Gilmanton's housing stock is one of deep historical layering - a median build year of 1989 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.

1989
Median Year Built
62%
Pre-1986 (Lead Paint Risk)
26%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (26%) 1970–1986 (36%) Post-1986 (38%)

Over half of homes in Gilmanton 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 Gilmanton Homeowners

For most homeowners in Gilmanton, the estimated cost of water and safety remediation represents a proportionally modest share of what properties are worth - placing this area in the lower tier of the remediation share scale.

Median Home Value
$317,600
Est. Remediation
$1,600
Remediation as % of home value 0.5%

Remediation costs in Gilmanton are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 13% below the New Hampshire average.

Lead Exposure Risk for Children in Gilmanton

62%
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.

Confirming what arrives at a specific faucet is something utility-side averages cannot do. With 62% of Gilmanton stock built before the lead-solder ban and citywide monitoring at or beyond the regulatory mark, a tap-level kit fits the standard diligence picture.

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

Historical NFIP Claim Context in Gilmanton

1
Total FEMA Flood Claims
$318
Avg Reported Sum With Payment Data

Historical NFIP data for Gilmanton contains 1 flood insurance claim. Among claims with payment data, the average reported building, contents, and ICC component sum is $318.

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>$1,600</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 much does it cost to fix water issues in Gilmanton?
Estimated remediation costs in Gilmanton average $1,600 per household, ranging from $800 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNew Hampshire → Gilmanton, NH

How to cite this page

APA ZipCheckup. (2026). Gilmanton, NH Home Safety Data by ZIP. https://zipcheckup.com/cities/nh/gilmanton/
BibTeX
@misc{zipcheckup-cities-nh-gilmanton,
  author = {{ZipCheckup}},
  title  = {{Gilmanton, NH Home Safety Data by ZIP}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/nh/gilmanton/}
}

Page version: August 2026.

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