Ventura Ranch Water System
EPA ID: AZ0413485 · 300 people served · 18 ZIP codes
Water monitoring for Ventura Ranch Water System: clean, five years, 300 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 36 (2024) to 2 (2025). The pattern suggests growing compliance challenges.
Service Area Demographics
The Ventura Ranch Water System serves a community with a median household income of $103,854 and an estimated 342,733 residents across its service area.
💧 Where Does Your Water Come From?
Ventura Ranch Water System'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 Maricopa County, Arizona rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 21 detections recorded.
Comparable Water Systems
Similar-sized systems in Arizona
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
Ventura Ranch Water System (EPA ID: AZ0413485) is a community water system in Arizona that serves approximately 300 people from groundwater sources.
This system provides water to 18 ZIP codes across 2 communities.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 85250 — Scottsdale
- 85251 — Scottsdale
- 85252 — Scottsdale
- 85254 — Scottsdale
- 85255 — Scottsdale
- 85256 — Scottsdale
- 85257 — Scottsdale
- 85258 — Scottsdale
- 85259 — Scottsdale
- 85260 — Scottsdale
- 85261 — Scottsdale
- 85262 — Scottsdale
- 85266 — Scottsdale
- 85267 — Scottsdale
- 85271 — Scottsdale
- 86312 — Prescott Valley
- 86314 — Prescott Valley
- 86315 — Prescott Valley
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ventura Ranch Water System (AZ0413485) on EPA.gov.
Frequently Asked Questions
Is Ventura Ranch Water System water safe to drink?
Based on EPA records, Ventura Ranch Water System has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Ventura Ranch Water System serve?
Ventura Ranch Water System serves approximately 300 people across 18 ZIP codes in Arizona.
Where does Ventura Ranch Water System get its water?
The primary water source is groundwater.