Mason Company Public Service District-lakin District
EPA ID: WV3302712 · 4,296 people served · 3 ZIP codes
Five-year compliance data for Mason Company Public Service District-lakin District includes 24 violations the EPA has not yet marked resolved — those open findings are part of the utility's current enforcement profile, covering a service population of approximately 4,296 residents across the area it supplies.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Mason Company Public Service District-lakin District Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Mason Company Public Service District-lakin District serves a community with a median household income of $62,955 and an estimated 20,142 residents across its service area. Approximately 59% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 96% 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?
Mason Company Public Service District-lakin District'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 Mason County, West Virginia rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 80th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Mason Company Public Service District-lakin District compares to EPA limits
What This Means For You
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Trichloroacetic Acid at 1 mg/L exceeds the EPA maximum of 0.06 mg/L.
Tribromoacetic Acid at 1 mg/L exceeds the EPA maximum of 0.06 mg/L.
Lead and Copper Rule at 8 mg/L exceeds the EPA maximum of mg/L.
Lead was detected in this water system. reverse osmosis 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
Mason Company Public Service District-lakin District (EPA ID: WV3302712) is a community water system in West Virginia that serves approximately 4,296 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Average Home Safety Score: B (74/100)
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 |
|---|---|---|---|
| September 1, 2025 | Contaminant 0700 | Monitoring | Unresolved |
| August 1, 2025 | Contaminant 0700 | Monitoring | Unresolved |
| June 15, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| April 12, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| January 21, 2025 | Contaminant 0700 | Health-based | Unresolved |
| December 14, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| December 1, 2024 | Contaminant 0700 | Monitoring | Unresolved |
| November 14, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| October 1, 2024 | Surface Water Treatment Rule | Monitoring | Unresolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Unresolved |
| April 1, 2024 | Revised Total Coliform Rule | Monitoring | Unresolved |
| February 15, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| December 30, 2023 | Stage 1 DBP Rule | Monitoring | Unresolved |
| October 1, 2023 | Revised Total Coliform Rule | Monitoring | Unresolved |
| August 13, 2023 | Lead and Copper Rule | Monitoring | Unresolved |
| January 1, 2023 | Haloacetic Acids (HAA5) | 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 | 8 | No |
| Contaminant 0700 | Other Violation | 4 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 3 | No |
| Revised Total Coliform Rule | Microbiological | 3 | No |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Lead | Inorganic | 1 | No |
| Contaminant 2383 | Other Violation | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
| Trichloroacetic Acid | Disinfection Byproducts | 1 | No |
| Tribromoacetic Acid | Disinfection Byproducts | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 25550 | 0.0017 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate 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: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mason Company Public Service District-lakin District (WV3302712) on EPA.gov.
Frequently Asked Questions
Is Mason Company Public Service District-lakin District water safe to drink?
Mason Company Public Service District-lakin District 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 Mason Company Public Service District-lakin District serve?
Mason Company Public Service District-lakin District serves approximately 4,296 people across 3 ZIP codes in West Virginia.
Where does Mason Company Public Service District-lakin District get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
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 →
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
Mason Company Public Service District-lakin District (EPA ID: WV3302712) — request the latest Consumer Confidence Report or ask about specific contaminants.