San Miguelito Mwc
EPA ID: CA4010003 · 1,600 people served · 1 ZIP code
Five clean years on EPA record — San Miguelito Mwc, 1,600 residents served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for San Miguelito Mwc Source: EPA SDWIS service area boundaries.
Service area boundary
🌊 Where Does Your Water Come From?
San Miguelito Mwc'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 1% of homes in San Luis Obispo 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
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
San Miguelito Mwc (EPA ID: CA4010003) is a community water system in California that serves approximately 1,600 people from surface water sources.
This system serves ZIP code 93424 in Avila Beach.
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
- 93424 — Avila Beach
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for San Miguelito Mwc (CA4010003) on EPA.gov.
Frequently Asked Questions
Is San Miguelito Mwc water safe to drink?
Based on EPA records, San Miguelito Mwc has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does San Miguelito Mwc serve?
San Miguelito Mwc serves approximately 1,600 people across 1 ZIP code in California.
Where does San Miguelito Mwc 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.