CITY REPORT WV

Thornton, WV: 41 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)
$187K
Median Home Value
$1,600
Est. Remediation (0.9% of home value)

Key Facts for Thornton Residents

  • Your city's water systems recorded 41 violations in the past 5 years.
  • Average lead level: 0.0006 mg/L.
  • Homes built before 1986: 48% - older plumbing may contain lead solder.
  • Estimated remediation: $1,600 per household.
  • CDC health risk index: 15.97 - above typical levels.

Thornton's Water Providers

Structurally, Thornton, WV's water supply is divided. Federal data identifies 2 water systems in the area, with 2 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.

Overview

We track home safety data for 1 ZIP code in Thornton, West Virginia (population ~1,364), covering 2 community water systems serving approximately 7,655 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

Thornton water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0006 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
Lead and Copper Rule Treatment Technique 26 1
Surface Water Treatment Rule Treatment Technique 18 1
Stage 1 DBP Rule Treatment Technique 12 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 8 1
Haloacetic Acids (HAA5) Disinfection Byproducts 8 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
26440 41 0 Taylor County Public Service District

All ZIP Codes in Thornton

Data Sources

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

Thornton Community Health Snapshot

11.9%
Asthma (US: 9.8%)
15.3%
Diabetes (US: 10.4%)
21.2%
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 11.9% ↑
Diabetes 15.3% ↑
Mental Health 21.2% ↑

Vertical line = national average. Above national · Below national

What's in Thornton's Water?

Lead and Copper Rule 26 violations
Treatment Technique
Developmental delays in children, kidney damage
Surface Water Treatment Rule 18 violations
Treatment Technique
Pathogens may not be adequately removed
Stage 1 DBP Rule 12 violations
Treatment Technique
Disinfection byproduct exposure risk

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

Thornton Infrastructure Age

1983
Median Build Year
48%
Built Before 1986
28%
Built Before 1970
Copper
Likely Pipe Material

With 48% 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

Housing age is a practical proxy for plumbing risk because federal standards changed in 1986, when lead solder was banned from new residential construction, and again earlier - before 1970, lead pipes were themselves commonly installed. Thornton's median build year of 1983 sits in the range where both pre- and post-1986 homes are well represented. The bar chart above reflects that mixed picture: the distribution captures pockets of older housing alongside more recent development, and those pockets carry real lead risk potential at the individual property level.

1983
Median Year Built
48%
Pre-1986 (Lead Paint Risk)
28%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (28%) 1970–1986 (20%) Post-1986 (52%)

Most homes in Thornton were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in Thornton

While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Thornton is notably favorable - the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.

Median Home Value
$187,100
Est. Remediation
$1,600
Remediation as % of home value 0.9%

Remediation costs in Thornton are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 40% above the West Virginia average.

Thornton: Lead Risk & Vulnerable Populations

48%
Homes Built Before 1986
0.0006
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.

Routinely in Thornton, where 48% of housing predates the solder ban and aggregate utility readings hover near the federal threshold, a faucet-level draw functions as a standard household step for families with small kids.

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

Thornton: NFIP Claim Records and Water-Quality Context

14
Total FEMA Flood Claims
$3,396
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Thornton contains 14 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $3,396. 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>$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 many water violations does Thornton have?
Thornton water systems have a total of 41 EPA violations. Violations are tracked across 1 ZIP code.
Does Thornton water have lead?
The average 90th-percentile lead level in Thornton is 0.0006 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 Thornton?
Thornton is served by 2 public water systems across 1 ZIP code, serving approximately 1,364 people.
How much does it cost to fix water issues in Thornton?
Estimated remediation costs in Thornton average $1,600 per household, ranging from $800 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesWest Virginia → Thornton, WV

How to cite this page

APA ZipCheckup. (2026). Thornton, WV: 41 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/wv/thornton/
BibTeX
@misc{zipcheckup-cities-wv-thornton,
  author = {{ZipCheckup}},
  title  = {{Thornton, WV: 41 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/wv/thornton/}
}

Page version: August 2026.

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