Maggie Lake Water District
EPA ID: WA5350235 · 287 people served · 1 ZIP code
Maggie Lake Water District earns a clean bill from EPA monitoring — no violations in five years across a service area of 287 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Maggie Lake Water District Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The Maggie Lake Water District serves a community with a median household income of $72,448 and an estimated 1,797 residents across its service area.
Environmental Justice Note: 36% 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?
Maggie Lake Water 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, Washington rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Washington
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
Maggie Lake Water District (EPA ID: WA5350235) is a community water system in Washington that serves approximately 287 people from groundwater sources.
This system serves ZIP code 98588 in Tahuya.
Average Home Safety Score: A (90/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 98588 | 0.001 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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
- 98588 — Tahuya
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Maggie Lake Water District (WA5350235) on EPA.gov.
Frequently Asked Questions
Is Maggie Lake Water District water safe to drink?
Based on EPA records, Maggie Lake Water District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Maggie Lake Water District serve?
Maggie Lake Water District serves approximately 287 people across 1 ZIP code in Washington.
Where does Maggie Lake Water District 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.