Thunderbird Water Supply District
EPA ID: CO0118078 · 490 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Thunderbird Water Supply District (CO0118078): 2 violations on record since 2021. Although 2 violations appeared on Thunderbird Water Supply District's record, each is listed as resolved; the system serves about 490 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Thunderbird Water Supply District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Thunderbird Water Supply District have a median household income of $157,687 and about 18,209 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Thunderbird Water Supply District'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.
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. 4 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
Thunderbird Water Supply District (EPA ID: CO0118078) is a community water system in Colorado that serves approximately 490 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| November 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| October 1, 2022 | Chlorine | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Chlorine | Monitoring & Reporting | 1 | No |
| Chlorine | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.005 mg/L | No | 2025-12-31 |
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 Thunderbird Water Supply District (CO0118078) on EPA.gov.
Frequently Asked Questions
Is Thunderbird Water Supply District water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Thunderbird Water Supply District; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Thunderbird Water Supply District serve?
Thunderbird Water Supply District serves approximately 490 people across 2 ZIP codes in Colorado.
Where does Thunderbird Water Supply District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Thunderbird Water Supply District (CO): 2 EPA Violations. https://zipcheckup.com/water-system/co0118078/
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author = {{ZipCheckup}},
title = {{Thunderbird Water Supply District (CO): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/co0118078/}
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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
Thunderbird Water Supply District (EPA ID: CO0118078) - request the latest Consumer Confidence Report or ask about specific contaminants.