Unionville Municipal Waterwks
EPA ID: PA4140079 · 290 people served · 1 ZIP code
Unionville Municipal Waterwks shows 2 open EPA violations in current federal records for approximately 290 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Unionville Municipal Waterwks Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Unionville Municipal Waterwks serves a community with a median household income of $57,778 and an estimated 229 residents across its service area. Approximately 98% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Unionville Municipal Waterwks's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 1% of homes in Centre County, Pennsylvania rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Unionville Municipal Waterwks compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 3 mg/L exceeds the EPA maximum of mg/L.
Radium-228 at 1 pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L) exceeds the EPA maximum of pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L). Bone cancer and leukemia (known carcinogen). Consider ion exchange (water softener) filtration.
Radium-228 was detected in this water system. ion exchange (water softener) filtration can reduce exposure.
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Unionville Municipal Waterwks (EPA ID: PA4140079) is a community water system in Pennsylvania that serves approximately 290 people from groundwater sources.
This system serves ZIP code 16835 in Fleming.
Average Home Safety Score: C (55/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| April 1, 2025 | Contaminant 0700 | Monitoring | Resolved |
| March 1, 2025 | Contaminant 0700 | Monitoring | Unresolved |
| October 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| October 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 4 | No |
| Contaminant 0700 | Other Violation | 3 | No |
| Radium-228 | Radionuclides | 1 | No |
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 16835 — Fleming
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Unionville Municipal Waterwks (PA4140079) on EPA.gov.
Frequently Asked Questions
Is Unionville Municipal Waterwks water safe to drink?
Unionville Municipal Waterwks has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Unionville Municipal Waterwks serve?
Unionville Municipal Waterwks serves approximately 290 people across 1 ZIP code in Pennsylvania.
Where does Unionville Municipal Waterwks get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Unionville Municipal Waterwks (EPA ID: PA4140079) — request the latest Consumer Confidence Report or ask about specific contaminants.