Ventura Cwwd No. 38 - Lake Sherwood
EPA ID: CA5610069 · 1,759 people served · 4 ZIP codes
Over five tracked years, Ventura Cwwd No. 38 - Lake Sherwood has stayed completely violation-free for its 1,759 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Ventura Cwwd No. 38 - Lake Sherwood Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Ventura Cwwd No. 38 - Lake Sherwood serves a community with a median household income of $149,848 and an estimated 72,344 residents across its service area. Approximately 66% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Ventura Cwwd No. 38 - Lake Sherwood'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.
About 2% of homes in Los Angeles County, California rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 63th 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
Ventura Cwwd No. 38 - Lake Sherwood (EPA ID: CA5610069) is a community water system in California that serves approximately 1,759 people from surface water sources.
This system provides water to 4 ZIP codes across 3 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
Coverage: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 2 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ventura Cwwd No. 38 - Lake Sherwood (CA5610069) on EPA.gov.
Frequently Asked Questions
Is Ventura Cwwd No. 38 - Lake Sherwood water safe to drink?
Based on EPA records, Ventura Cwwd No. 38 - Lake Sherwood has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Ventura Cwwd No. 38 - Lake Sherwood serve?
Ventura Cwwd No. 38 - Lake Sherwood serves approximately 1,759 people across 4 ZIP codes in California.
Where does Ventura Cwwd No. 38 - Lake Sherwood get its water?
The primary water source is surface water.
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.