Montgomeryville, PA: High Radon Risk — 53/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-04
Across water systems in Montgomeryville, EPA data shows a below-average compliance pattern for PA — health-based violations are on file in several areas, and checking the specific system serving your address is a practical first step for concerned residents.
How Montgomeryville Compares
Data: EPA SDWIS Last verified: 2026-06-04
Key Facts for Montgomeryville Residents
- Homes built before 1986: 48% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
Montgomeryville's Water Providers
2 water utilities share the residential service territory in Montgomeryville, PA — out of 2 total systems in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Montgomeryville, Pennsylvania (population ~288), covering 2 community water systems serving approximately 73,796 people region-wide.
No EPA violations recorded across any ZIP codes in Montgomeryville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Montgomeryville: D (53/100)
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
Montgomeryville water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Montgomeryville
- 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 |
|---|---|---|---|
| 18936 | D | NORTH WALES WATER AUTHORITY | 72,496 |
All ZIP Codes in Montgomeryville
- 18936 [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.
Montgomeryville Infrastructure Age
With 48% 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
Montgomeryville's residential inventory spans multiple construction eras, with the median build year of 1982 landing in a zone where pre- and post-1986 homes are both well represented. That split matters because homes built before 1986 may contain lead-soldered copper joints — a plumbing practice banned that year — while those built before 1970 face the additional possibility of lead pipes in the service line. Whether a specific household sits on the older or newer end of this distribution is the primary variable shaping its individual exposure risk.
Most homes in Montgomeryville 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 Montgomeryville
In Montgomeryville, the equity share of documented remediation is meaningful enough to move the household financial perspective from routine maintenance into deliberate budgeting territory — the cost-to-value ratio is moderate, and most homeowners benefit from mapping the full scope against available budgets before committing.
Remediation costs are moderate relative to home values in Montgomeryville. The estimated $2,000–$4,100 range is manageable for most homeowners but still worth budgeting for. Home values are 32% above the Pennsylvania average.
Montgomeryville: Lead Risk & Vulnerable Populations
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.
Although utility-side compliance with federal Lead and Copper requirements remains the system reference, that compliance does not extend down into interior plumbing. With 48% of Montgomeryville stock built before the solder ban and aggregate readings at or beyond the action mark, a household-level sample becomes the practical way to close that information gap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Montgomeryville: Flood History & Water Damage Risk
A moderate NFIP record for Montgomeryville — 4 insurance claims paired with 100% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Montgomeryville has a moderate flood history with 4 FEMA claims averaging $9,851 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>$3,000</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 Montgomeryville
- 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 48% 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 Montgomeryville, PA