CITY REPORT NC

Corolla, NC: 2 Violations - Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs with Violations
Zone 3
Radon Risk (Low)
$610K
Median Home Value
$1,700
Est. Remediation (0.3% of home value)

Key Facts for Corolla Residents

  • Your city's water systems recorded 2 violations in the past 5 years.
  • Homes built before 1986: 20% - older plumbing may contain lead solder.
  • Estimated remediation: $1,700 per household.
  • CDC health risk index: 12.62 - above typical levels.

Corolla's Water Providers

Federal drinking water records identify 1 system operating in Corolla, NC. One of those systems serves the overwhelming majority of residential addresses, concentrating infrastructure management, rate authority, and EPA compliance reporting within a single organization.

Overview

We track home safety data for 1 ZIP code in Corolla, North Carolina (population ~1,129), covering 1 community water system serving approximately 8,209 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

Corolla water systems draw from: Groundwater.

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 3 (Low Risk)

Top Contaminants

Contaminant Category Violations ZIPs Affected
Total Trihalomethanes (TTHM) Disinfection Byproducts 2 1
Haloacetic Acids (HAA5) Disinfection Byproducts 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
27927 2 0 Southern Outer Banks Wtr Syst

All ZIP Codes in Corolla

Data Sources

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

Corolla Community Health Snapshot

10.4%
Asthma (US: 9.8%)
10.7%
Diabetes (US: 10.4%)
15.8%
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 10.4% ↑
Diabetes 10.7% ↑
Mental Health 15.8% ↑

Vertical line = national average. Above national · Below national

What's in Corolla's Water?

Total Trihalomethanes (TTHM) 2 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure
Haloacetic Acids (HAA5) 2 violations
Disinfection Byproducts · EPA limit: 0.06 mg/L
Increased cancer risk with long-term exposure

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

Corolla Infrastructure Age

1994
Median Build Year
20%
Built Before 1986
0%
Built Before 1970
Copper
Likely Pipe Material

Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Although a small portion of Corolla's homes predate 1986, the median build year of 1994 indicates the majority of the city's residential plumbing was installed after lead solder was banned - which tends to reduce the plumbing-related component of lead exposure at the household level.

1994
Median Year Built
20%
Pre-1986 (Lead Paint Risk)
0%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (0%) 1970–1986 (20%) Post-1986 (80%)

Most homes in Corolla 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 Corolla

While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Corolla 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
$609,600
Est. Remediation
$1,700
Remediation as % of home value 0.3%

Remediation costs in Corolla are relatively low compared to home values. The $1,100–$2,600 estimated range is a small fraction of median property value. Home values are 159% above the North Carolina average.

Corolla: Lead Risk & Vulnerable Populations

20%
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.

In Corolla, the older-stock footprint runs at 20% - a contained slice - and aggregate utility readings land safely under the EPA action mark. That keeps lead off the local priority list, with a one-faucet draw remaining the only direct read on a specific address.

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

Corolla: NFIP Claim Records and Water-Quality Context

1,297
Total FEMA Flood Claims
$15,276
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Corolla contains 1,297 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $15,276. Among ZIP codes with claim records, 0% 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>$1,700</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 Corolla have?
Corolla water systems have a total of 2 EPA violations. Violations are tracked across 1 ZIP code.
How many water systems serve Corolla?
Corolla is served by 1 public water system across 1 ZIP code, serving approximately 1,129 people.
How much does it cost to fix water issues in Corolla?
Estimated remediation costs in Corolla average $1,700 per household, ranging from $1,100 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNorth Carolina → Corolla, NC

How to cite this page

APA ZipCheckup. (2026). Corolla, NC: 2 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/nc/corolla/
BibTeX
@misc{zipcheckup-cities-nc-corolla,
  author = {{ZipCheckup}},
  title  = {{Corolla, NC: 2 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/nc/corolla/}
}

Page version: August 2026.

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