Duncannon, PA: 53 Violations - Home Safety Score unavailable
1 ZIP code · 2 water systems · Updated
Data: EPA SDWIS
Key Facts for Duncannon Residents
- Your city's water systems recorded 53 violations since 2021.
- Average of reported 90th-percentile lead results: 0.301 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average.
- Homes built before 1986: 65% - older plumbing may contain lead solder.
- Estimated remediation: $4,500 per household.
Duncannon's Water Providers
When a city is linked to 2 water systems, as Duncannon, PA is in federal records, water in one neighborhood may come from a different system than in another. The 2 systems with the largest reported populations are shown below, and their compliance records are kept separately, so a violation logged for one does not describe the others.
Overview
We track home safety data for 1 ZIP code in Duncannon, Pennsylvania, covering 2 community water systems serving approximately 8,625 people. 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. 4 health-based violations appear in the available health breakdown.
Water Sources
Duncannon water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.3010 mg/L (exceeds EPA action level) (EPA action level: 0.015 mg/L)
- 1 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 1.
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 |
|---|---|---|---|
| 2,4,5-TP (Silvex) | Organic | 8 | 1 |
| Groundwater Rule | Treatment Technique | 8 | 1 |
| Nitrate | Inorganic | 6 | 1 |
| Nitrite | Inorganic | 6 | 1 |
| Public Notice Rule | Reporting | 6 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 17020 | — | 53 | 4 | Duncannon Muni Water |
All ZIP Codes in Duncannon
- 17020 - 53 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.
What's in Duncannon's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Duncannon Infrastructure Age
With 65% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Lead can reach tap water from service lines, solder and brass fittings inside a building, which is why housing age draws attention in Duncannon, where the median build year is 1973.
Over half of homes in Duncannon were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Duncannon
Of the low, moderate and elevated tiers on this page, Duncannon falls in the elevated one - its remediation estimate tops 2% of median home value.
Estimated remediation costs in Duncannon equal about 2.1% of the median home value; how much that burdens a household depends on its finances. For homes valued near the median, fixing water and safety issues could cost $2,900–$6,700. Home values here are 1% above the Pennsylvania average.
Duncannon: Lead Risk & Vulnerable Populations
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.
Test the tap in Duncannon. Reported 90th-percentile lead results from water systems, averaged over its ZIP codes, exceed 15 parts per billion, and pre-1986 homes make up 65%.
1 ZIP code (100% of the city's ZIP records) is served by a water system whose 90th-percentile lead result exceeds the EPA action level of 0.015 mg/L.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Duncannon: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Duncannon contains 362 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $14,565. 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 $4,500 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 Duncannon, PA