Gwynedd, PA: 11 Violations - Home Safety 47/100
1 ZIP code · 1 water system · Updated
ZipCheckup grade for Gwynedd: D.
Federal records show several conditions worth reviewing.
Your top priority: see the breakdown below and consider a certified water filter. NSF certified filters →
Within Gwynedd, PA, the grade lands in the lower tier; residents whose system has violations on record may want independent testing.
How Gwynedd Compares
Data: EPA SDWIS
Key Facts for Gwynedd Residents
- Your city's water systems recorded 11 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0016 mg/L.
- Homes built before 1986: 80% - older plumbing may contain lead solder.
- Estimated remediation: $600 per household.
Gwynedd's Water Providers
Here the list of water systems for Gwynedd, PA has a single entry, while the figure of 1 count every system federal data connect to the area's ZIP codes.
- D
Overview
We track home safety data for 1 ZIP code in Gwynedd, Pennsylvania (population ~544), covering 1 community water system serving approximately 72,496 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.
Home Safety Score
Average Home Safety Score for Gwynedd: D (47/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Gwynedd water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0016 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 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 |
|---|---|---|---|
| Groundwater Rule | Treatment Technique | 12 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
| Interim Enhanced Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 19436 | D | 11 | 0 | North Wales Water Authority |
All ZIP Codes in Gwynedd
- 19436 [D] - 11 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 Gwynedd's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Gwynedd Infrastructure Age
With 80% 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
Some homes in Gwynedd predate the 1986 federal restrictions on lead in new pipe and solder, so a tap test is a reasonable step for older homes; median build year: 1963.
Over half of homes in Gwynedd 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.
Gwynedd: 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.
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.
What You Can Do in Gwynedd
- Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
- Install a certified water filter. For Groundwater Rule, listed in the water-quality records for Gwynedd: if it is a rule or reporting requirement rather than a contaminant, ask your utility what the record involved; for bacteria, follow any boil-water notice from your utility; for a specific chemical contaminant, check whether a filter is certified to reduce it. Not every contaminant has a consumer filter certification.
- Check your home's plumbing. With 80% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. If you use a community water system, request its annual Consumer Confidence Report for system-level test results or find it online.
Deep Dive Reports
Detailed analysis for Gwynedd, PA