Cottonwood Ridge Manufactured Housing Company
EPA ID: CA4500107 · 205 people served · 81 ZIP codes
Federal monitoring spanning five full years has produced zero violations at Cottonwood Ridge Manufactured Housing Company — a clean record across every reporting cycle for a utility serving approximately 205 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 243 (2022) to 81 (2024). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Cottonwood Ridge Manufactured Housing Company Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Cottonwood Ridge Manufactured Housing Company serves a community with a median household income of $103,897 and an estimated 1,330,316 residents across its service area. Approximately 63% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Cottonwood Ridge Manufactured Housing Company'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 Ventura County, California 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. 8 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.
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
Cottonwood Ridge Manufactured Housing Company (EPA ID: CA4500107) is a community water system in California that serves approximately 205 people from groundwater sources.
This system provides water to 81 ZIP codes across 1 community.
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
This system serves 81 ZIP codes:
92101 · 92102 · 92103 · 92104 · 92105 92106 · 92107 · 92108 · 92109 · 92110 92111 · 92112 · 92113 · 92114 · 92115 92116 · 92117 · 92119 · 92120 · 92121 92122 · 92123 · 92124 · 92126 · 92127 92128 · 92129 · 92130 · 92131 · 92132 92133 · 92134 · 92135 · 92136 · 92137 92138 · 92139 · 92140 · 92142 · 92145 92147 · 92149 · 92150 · 92152 · 92153 92154 · 92155 · 92158 · 92159 · 92160 92161 · 92162 · 92163 · 92164 · 92165 92166 · 92167 · 92168 · 92169 · 92170 92171 · 92172 · 92174 · 92175 · 92176 92177 · 92179 · 92182 · 92184 · 92186 92187 · 92190 · 92191 · 92192 · 92193 92194 · 92195 · 92196 · 92197 · 92198 92199
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Cottonwood Ridge Manufactured Housing Company (CA4500107) on EPA.gov.
Frequently Asked Questions
Is Cottonwood Ridge Manufactured Housing Company water safe to drink?
Based on EPA records, Cottonwood Ridge Manufactured Housing Company has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Cottonwood Ridge Manufactured Housing Company serve?
Cottonwood Ridge Manufactured Housing Company serves approximately 205 people across 81 ZIP codes in California.
Where does Cottonwood Ridge Manufactured Housing Company 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.