Mckenna Water District
EPA ID: WA5303521 · 600 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Mckenna Water District (WA5303521): 3 EPA violations in the last five years. Looking at the EPA enforcement file for Mckenna Water District, 3 violations appear in the five-year dataset, but none remain open - the utility has addressed each finding and is in current compliance, with no pending enforcement affecting the 600 people in its service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Mckenna Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mckenna Water District serves a community with a median household income of $110,428 and an estimated 11,472 residents across its service area.
💧 Where Does Your Water Come From?
Mckenna 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.
Superfund Proximity Note: This service area ranks in the 80th 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 Mckenna Water 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.
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →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
Mckenna Water District (EPA ID: WA5303521) is a community water system in Washington that serves approximately 600 people from groundwater sources.
This system serves ZIP code 98580 in Roy.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 2 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2025 | Lead | Non-health-based | Resolved |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Non-health-based | Archived |
| January 1, 2025 | Haloacetic Acids (HAA5) | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead | Inorganic | 1 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0038 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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 WA or modeled from parcel and building-footprint data.
- 98580 - Roy
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mckenna Water District (WA5303521) on EPA.gov.
Frequently Asked Questions
Is Mckenna Water District water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Mckenna Water District; its 3 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Mckenna Water District serve?
Mckenna Water District serves approximately 600 people across 1 ZIP code in Washington.
Where does Mckenna Water District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mckenna Water District (WA): 3 EPA Violations. https://zipcheckup.com/water-system/wa5303521/
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title = {{Mckenna Water District (WA): 3 EPA Violations}},
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url = {https://zipcheckup.com/water-system/wa5303521/}
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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
Mckenna Water District (EPA ID: WA5303521) - request the latest Consumer Confidence Report or ask about specific contaminants.