Dempsey Road Mutual Water Company
EPA ID: CA5610001 · 990 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Dempsey Road Mutual Water Company (CA5610001): no EPA violations recorded in the last five years. Five clean years on EPA record - Dempsey Road Mutual Water Company, 990 residents served.
Data: EPA SDWIS
Service Area Map
Coverage area for Dempsey Road Mutual Water Company Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Dempsey Road Mutual Water Company serves a community with a median household income of $85,848 and an estimated 80,482 residents across its service area. Approximately 85% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Dempsey Road Mutual Water Company's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in California
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
Dempsey Road Mutual Water Company (EPA ID: CA5610001) is a community water system in California that serves approximately 990 people from surface water sources.
This system serves ZIP code 93033 in Oxnard.
Violation History
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.
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 CA or modeled from parcel and building-footprint data.
- 93033 - Oxnard
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Dempsey Road Mutual Water Company (CA5610001) on EPA.gov.
Frequently Asked Questions
Is Dempsey Road Mutual Water Company water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Dempsey Road Mutual Water Company in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Dempsey Road Mutual Water Company serve?
Dempsey Road Mutual Water Company serves approximately 990 people across 1 ZIP code in California.
Where does Dempsey Road Mutual Water Company get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Dempsey Road Mutual Water Company Water Quality Report, CA. https://zipcheckup.com/water-system/ca5610001/
@misc{zipcheckup-water-system-ca5610001,
author = {{ZipCheckup}},
title = {{Dempsey Road Mutual Water Company Water Quality Report, CA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca5610001/}
}