Montoursville Water Company
EPA ID: PA4410175 · 4,983 people served · 1 ZIP code
In the most recent EPA reporting cycle, Montoursville Water Company carried 14 violations still marked as unresolved — each remains active in the federal enforcement ledger while the utility continues operations for its service population of approximately 4,983 people across the area it supplies.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Montoursville Water Company Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Montoursville Water Company serves a community with a median household income of $72,298 and an estimated 11,971 residents across its service area. Approximately 68% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 31% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Montoursville Water Company'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 Lycoming 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 Montoursville Water Company compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 8 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Lead and Copper Rule at 10 mg/L exceeds the EPA maximum of mg/L.
Contaminant 2383 at 2 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 2 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 2 presence exceeds the EPA maximum of presence.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 6 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
Montoursville Water Company (EPA ID: PA4410175) is a community water system in Pennsylvania that serves approximately 4,983 people from groundwater sources.
This system serves ZIP code 17754 in Montoursville.
Average Home Safety Score: D (54/100)
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 |
|---|---|---|---|
| July 1, 2025 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| February 11, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| April 11, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| April 1, 2024 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| February 11, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| January 11, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2024 | Contaminant 0700 | Monitoring | Unresolved |
| January 1, 2024 | Contaminant 2959 | Monitoring | Unresolved |
| October 11, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| October 1, 2023 | Contaminant 2383 | Monitoring | Resolved |
| July 11, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| May 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| April 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| April 1, 2023 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| January 11, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2023 | Contaminant 2383 | Monitoring | Unresolved |
| January 1, 2023 | E. coli | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Treatment Failure | 10 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 8 | No |
| Contaminant 2383 | Other Violation | 2 | No |
| Contaminant 0700 | Other Violation | 2 | No |
| Revised Total Coliform Rule | Microbiological | 2 | No |
| Nickel | Inorganic | 1 | Yes |
| Contaminant 2959 | Other Violation | 1 | No |
| Total Organic Carbon | Disinfection Byproducts | 1 | No |
| Combined Radium | Radionuclides | 1 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| E. coli | Microbiological | 1 | No |
Health Risk Details
Fluoride (EPA limit: 4 mg/L (secondary standard: 2.0 mg/L))
Tooth & bone damage at high levels At-risk groups: children under 8 during tooth development, elderly with compromised bone density, people with kidney disease.
Removal methods: reverse osmosis, activated alumina, distillation. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 17754 | 0.00108 mg/L | No | N/A |
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
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by PA or modeled from parcel and building-footprint data.
- 17754 — Montoursville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Montoursville Water Company (PA4410175) on EPA.gov.
Frequently Asked Questions
Is Montoursville Water Company water safe to drink?
Montoursville Water Company has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Montoursville Water Company serve?
Montoursville Water Company serves approximately 4,983 people across 1 ZIP code in Pennsylvania.
Where does Montoursville Water Company get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Above Current MCL
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). One or more PFAS compounds were measured above the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
PFAS Substances Detected in This System
This water system's Consumer Confidence Report disclosed the following PFAS compounds. Levels are from the utility's most recent reporting cycle.
In April 2024, EPA finalized the first National Primary Drinking Water Regulation for six PFAS. Public water systems have until 2029 to comply. EPA — PFAS regulation overview →
Source: Consumer Confidence Report disclosed by Montoursville Water Company.
ZipCheckup is not affiliated with this water utility. PFAS detection data is sourced from public Consumer Confidence Reports filed by the utility itself.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
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
Montoursville Water Company (EPA ID: PA4410175) — request the latest Consumer Confidence Report or ask about specific contaminants.