Lincoln Avenue Water Company
EPA ID: CA1910063 · 16,088 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Lincoln Avenue Water Company (CA1910063): no EPA violations recorded in the last five years. Unlike many utilities its size, Lincoln Avenue Water Company carries a violation-free five-year record - no EPA notices, no MCL exceedances, serving 16,088 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Lincoln Avenue Water Company Source: EPA SDWIS service area boundaries.
Service area boundary - Grade C
Service Area Demographics
The Lincoln Avenue Water Company serves a community with a median household income of $133,840 and an estimated 36,402 residents across its service area. Approximately 92% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 49% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. 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?
Lincoln Avenue Water Company'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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 7 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS). 2 exceed state limits.
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
Lincoln Avenue Water Company (EPA ID: CA1910063) is a community water system in California that serves approximately 16,088 people from surface water sources.
This system serves ZIP code 91001 in Altadena.
ZIP-Area Home Safety Context: C (58/100)
This is the average Home Safety Score for 1 of 1 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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.
- 91001 - Altadena
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lincoln Avenue Water Company (CA1910063) on EPA.gov.
Frequently Asked Questions
Is Lincoln Avenue Water Company water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Lincoln Avenue Water Company 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 Lincoln Avenue Water Company serve?
Lincoln Avenue Water Company serves approximately 16,088 people across 1 ZIP code in California.
Where does Lincoln Avenue Water Company get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lincoln Avenue Water Company, CA: Serves 16K People. https://zipcheckup.com/water-system/ca1910063/
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title = {{Lincoln Avenue Water Company, CA: Serves 16K People}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca1910063/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Lincoln Avenue Water Company (EPA ID: CA1910063) - request the latest Consumer Confidence Report or ask about specific contaminants.