Sierra Lakes County Water District
EPA ID: CA3110017 · 824 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Sierra Lakes County Water District (CA3110017): no drinking-water violations recorded since 2021. Zero violations are listed in EPA monitoring data for Sierra Lakes County Water District; a count of records like this is not a water-quality test for the 824 residents it serves.
Data: EPA SDWIS
Service Area Map
Coverage area for Sierra Lakes County Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Sierra Lakes County Water District have a median household income of $114,145 and about 1,120 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 64% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Sierra Lakes County Water District'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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in California
System Overview
Sierra Lakes County Water District (EPA ID: CA3110017) is a community water system in California that serves approximately 824 people from surface water sources.
This system serves ZIP code 96146 in Olympic Valley.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.003 mg/L | No | 2023-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CA or modeled from parcel and building-footprint data.
- 96146 - Olympic Valley
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Sierra Lakes County Water District (CA3110017) on EPA.gov.
Frequently Asked Questions
Is Sierra Lakes County Water District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Sierra Lakes County Water District in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Sierra Lakes County Water District serve?
Sierra Lakes County Water District serves approximately 824 people across 1 ZIP code in California.
Where does Sierra Lakes County Water District get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Sierra Lakes County Water District Water Quality Report, CA. https://zipcheckup.com/water-system/ca3110017/
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