Southwest Metropolitan Water Supply District
EPA ID: CO0103723 · 48,648 people served · 5 ZIP codes
ZipCheckup's reading of EPA records for Southwest Metropolitan Water Supply District (CO0103723): no drinking-water violations recorded since 2021. Across the reporting cycles included in federal data, Southwest Metropolitan Water Supply District has no EPA violation entries - the file covers a service population of approximately 48,648 residents and says nothing about individual household plumbing.
Data: EPA SDWIS
Service Area Map
Coverage area for Southwest Metropolitan Water Supply District Source: EPA SDWIS service area boundaries.
Service area boundary - average Home Safety grade of mapped ZIPs: C
Demographics of ZIP Codes Served
The ZIP codes associated with Southwest Metropolitan Water Supply District have a median household income of $119,827 and about 185,536 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 43% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Southwest Metropolitan 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 66th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 9 detections recorded.
Comparable Water Systems
Similar-sized systems in Colorado
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
Southwest Metropolitan Water Supply District (EPA ID: CO0103723) is a community water system in Colorado that serves approximately 48,648 people from surface water sources.
This system provides water to 5 ZIP codes across 1 community.
ZIP-Area Home Safety Context: C (61/100)
This is the average Home Safety Score for 3 of 5 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
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.
Radon Risk in Service Area
5 of 5 ZIP records with known zones are in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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 Southwest Metropolitan Water Supply District (CO0103723) on EPA.gov.
Frequently Asked Questions
Is Southwest Metropolitan Water Supply District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Southwest Metropolitan 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 Southwest Metropolitan Water Supply District serve?
Southwest Metropolitan Water Supply District serves approximately 48,648 people across 5 ZIP codes in Colorado.
Where does Southwest Metropolitan Water Supply District get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Southwest Metropolitan Water Supply District, CO. https://zipcheckup.com/water-system/co0103723/
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author = {{ZipCheckup}},
title = {{Southwest Metropolitan Water Supply District, CO}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/co0103723/}
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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
Southwest Metropolitan Water Supply District (EPA ID: CO0103723) - request the latest Consumer Confidence Report or ask about specific contaminants.