Mountain Meadows Mwc
EPA ID: CA2600620 · 505 people served · 1 ZIP code
Even as other utilities in the region logged violations, Mountain Meadows Mwc kept a clean EPA record — five years, no issues, 505 people served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Mountain Meadows Mwc Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mountain Meadows Mwc serves a community with a median household income of $96,481 and an estimated 8,803 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?
Mountain Meadows Mwc'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 3% of homes in Inyo 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
Mountain Meadows Mwc (EPA ID: CA2600620) is a community water system in California that serves approximately 505 people from groundwater sources.
This system serves ZIP code 93546 in Mammoth Lakes.
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
- 93546 — Mammoth Lakes
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mountain Meadows Mwc (CA2600620) on EPA.gov.
Frequently Asked Questions
Is Mountain Meadows Mwc water safe to drink?
Based on EPA records, Mountain Meadows Mwc has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Mountain Meadows Mwc serve?
Mountain Meadows Mwc serves approximately 505 people across 1 ZIP code in California.
Where does Mountain Meadows Mwc 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.