Fcwwd 41/shaver Lake
EPA ID: CA1010017 · 2,722 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Fcwwd 41/shaver Lake (CA1010017): no drinking-water violations recorded since 2021. Federal SDWIS data returns no violation records for Fcwwd 41/shaver Lake, the supplier serving 2,722 residents - a statement about the EPA file rather than a measurement of contaminant levels in the water.
Data: EPA SDWIS
Service Area Map
Coverage area for Fcwwd 41/shaver Lake Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Fcwwd 41/shaver Lake have a median household income of $108,629 and about 3,444 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 62% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Fcwwd 41/shaver Lake's water is classified in EPA records as a groundwater source. 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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in California
System Overview
Fcwwd 41/shaver Lake (EPA ID: CA1010017) is a community water system in California that serves approximately 2,722 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0095 mg/L | No | N/A |
The accepted LCR snapshot contains 1 reported copper action-level exceedance record for this PWSID. The source does not provide a verified copper level for publication.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Fcwwd 41/shaver Lake (CA1010017) on EPA.gov.
Frequently Asked Questions
Is Fcwwd 41/shaver Lake water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Fcwwd 41/shaver Lake 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 Fcwwd 41/shaver Lake serve?
Fcwwd 41/shaver Lake serves approximately 2,722 people across 3 ZIP codes in California.
Where does Fcwwd 41/shaver Lake get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Fcwwd 41/shaver Lake Water Quality Report, CA. https://zipcheckup.com/water-system/ca1010017/
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author = {{ZipCheckup}},
title = {{Fcwwd 41/shaver Lake Water Quality Report, CA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca1010017/}
}