Plymouth Meeting, PA: High Radon Risk — 45/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-04
Compared to PA averages, Plymouth Meeting scores below the baseline — health violations appear more frequently than the norm and the city's grade reflects that ongoing shortfall.
How Plymouth Meeting Compares
Data: EPA SDWIS Last verified: 2026-06-04
Plymouth Meeting Water: The Quick Version
- Homes built before 1986: 78% — older plumbing may contain lead solder.
- Estimated remediation: $3,600 per household.
Water Systems Serving Plymouth Meeting
Federal drinking water records identify 3 systems in Plymouth Meeting, PA. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations — so service conditions are not uniform city-wide.
Overview
We track water quality and home safety data for 1 ZIP code in Plymouth Meeting, Pennsylvania (population ~16,215), covering 3 community water systems serving approximately 931,485 people region-wide.
No EPA violations recorded across any ZIP codes in Plymouth Meeting — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Plymouth Meeting: D (45/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Plymouth Meeting water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Plymouth Meeting
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 19462 | D | PA AMERICAN NORRISTOWN | 88,885 |
All ZIP Codes in Plymouth Meeting
- 19462 [D]
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
Updated daily.
How Old Is Plymouth Meeting's Housing Stock?
With 78% 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
Reading the housing age data for Plymouth Meeting — median build year 1964 — the overriding implication is that the plumbing materials inside a typical home here reflect pre-1986 construction standards. In practical terms, that means lead-soldered copper joints are common across much of the housing stock. Where those materials are present, water can leach lead as it moves through joints — a pathway that corrosion control treatment under federal rules is designed to reduce, though it cannot eliminate lead risk where the plumbing materials themselves contain lead.
Over half of homes in Plymouth Meeting were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Plymouth Meeting: Remediation Cost in Perspective
Low proportionality — that's the Plymouth Meeting picture when remediation costs are placed against typical home equity.
Remediation costs in Plymouth Meeting are relatively low compared to home values. The $2,400–$4,800 estimated range is a small fraction of median property value. Home values are 112% above the Pennsylvania average.
Protecting Children from Lead in Plymouth Meeting
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.
Practically, the structural drivers in Plymouth Meeting — 78% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark — make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Plymouth Meeting
Flood exposure in Plymouth Meeting is meaningful by NFIP measures — 32 claims on record and 100% of ZIP codes carrying FEMA flood zone designations. That level of activity makes flood history a relevant factor when evaluating local water quality over time.
Plymouth Meeting has a moderate flood history with 32 FEMA claims averaging $48,245 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$3,600</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Plymouth Meeting
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 78% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Plymouth Meeting, PA