Knotts Island, NC - Home Safety Score unavailable
1 ZIP code · 2 water systems · Updated
Data: EPA SDWIS
Knotts Island Water: The Quick Version
- Your city's water systems recorded 3 violations since 2021.
- Average of reported 90th-percentile lead results: 0.003 mg/L.
- Homes built before 1986: 34% - older plumbing may contain lead solder.
- Estimated remediation: $300 per household.
- Health risk index (ZipCheckup composite of CDC data): 12.62.
Water Systems Serving Knotts Island
Service in Knotts Island, NC can differ by address: 2 water systems are tied to the area in federal records, and the 2 largest are listed with their violation records.
Overview
We track home safety data for 1 ZIP code in Knotts Island, North Carolina (population ~1,786), covering 2 community water systems serving approximately 24,252 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. 1 health-based violation appear in the available health breakdown.
Water Sources
Knotts Island water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0030 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
1 of 1 ZIP records with known zones is in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead and Copper Rule Revisions | Treatment Technique | 4 | 1 |
| Chloramine | Disinfectant | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 27950 | — | 3 | 1 | Currituck County Water System |
All ZIP Codes in Knotts Island
- 27950 - 3 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
CDC Health Data for Knotts Island
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Key Contaminants Detected in Knotts Island
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Knotts Island's Housing Stock?
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
1996 is the median build year in Knotts Island, and the age breakdown below shows how much of the housing predates 1986.
Most homes in Knotts Island were built after 1986; lead exposure at a tap still depends on its service line and plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Knotts Island: Remediation Cost in Perspective
Of the three cost-context tiers - low, moderate and elevated - Knotts Island is in the low one.
Estimated remediation costs in Knotts Island can be compared with local home values. The $150–$600 estimated range can be set against the median property value; actual costs vary by home. Home values are 0% above the North Carolina average.
Protecting Children from Lead in Knotts Island
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Knotts Island
Historical NFIP data for Knotts Island contains 38 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $11,170. 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 $300 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.
Deep Dive Reports
Detailed analysis for Knotts Island, NC