Alameda Water Supply District
EPA ID: CO0130116 · 2,480 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Alameda Water Supply District (CO0130116): no drinking-water violations recorded since 2021. From the earliest to the most recent cycle in the EPA data on file, Alameda Water Supply District has logged zero violations for the 2,480 people in its service area - a count of records, not a test result for any home.
Data: EPA SDWIS
Service Area Map
Coverage area for Alameda Water Supply District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Alameda Water Supply District have a median household income of $87,799 and about 89,581 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 73% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Alameda Water Supply 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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Colorado
System Overview
Alameda Water Supply District (EPA ID: CO0130116) is a community water system in Colorado that serves approximately 2,480 people from surface water sources.
This system provides water to 3 ZIP codes across 1 community.
Violation History
Lead & Copper
Latest reported 90th-percentile lead result for this PWSID: 0.009 mg/L (2002-12-31).
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 CO 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 Alameda Water Supply District (CO0130116) on EPA.gov.
Frequently Asked Questions
Is Alameda Water Supply District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Alameda Water Supply 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 Alameda Water Supply District serve?
Alameda Water Supply District serves approximately 2,480 people across 3 ZIP codes in Colorado.
Where does Alameda Water Supply District get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Alameda Water Supply District Water Quality Report, CO. https://zipcheckup.com/water-system/co0130116/
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