Davenport Water Division
EPA ID: WA5318100 · 1,750 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Davenport Water Division (WA5318100): 2 EPA violations in the last five years. Dating back across the full five-year EPA tracking window, Davenport Water Division encountered 2 violations, each subsequently remedied and closed - today the utility meets all federal drinking water requirements for the 1,750 residents in its service area and holds no open enforcement actions.
Data: EPA SDWIS
Service Area Map
Coverage area for Davenport Water Division Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Davenport Water Division serves a community with a median household income of $74,300 and an estimated 4,044 residents across its service area. Approximately 56% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Davenport Water Division'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.
Infrastructure Risk
Detected Contaminants
How Davenport Water Division compares to EPA limits
What This Means For You
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.
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
Davenport Water Division (EPA ID: WA5318100) is a community water system in Washington that serves approximately 1,750 people from groundwater sources.
This system serves ZIP code 99122 in Davenport.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 resolved, 0 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, 2022 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| January 1, 2022 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| 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 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.
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: 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.
- 99122 - Davenport
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Davenport Water Division (WA5318100) on EPA.gov.
Frequently Asked Questions
Is Davenport Water Division water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Davenport Water Division; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Davenport Water Division serve?
Davenport Water Division serves approximately 1,750 people across 1 ZIP code in Washington.
Where does Davenport Water Division get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Davenport Water Division (WA): 2 EPA Violations. https://zipcheckup.com/water-system/wa5318100/
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title = {{Davenport Water Division (WA): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wa5318100/}
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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
Davenport Water Division (EPA ID: WA5318100) - request the latest Consumer Confidence Report or ask about specific contaminants.