Jamestown Town of
EPA ID: CO0107401 · 280 people served · 1 ZIP code
13 total violations across five years at Jamestown Town of — every finding closed, utility compliant today, 280 served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Jamestown Town of Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Jamestown Town of serves a community with a median household income of $175,438 and an estimated 378 residents across its service area. Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Jamestown Town of'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.
About 1% of homes in Boulder County, Colorado rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Jamestown Town of compares to EPA limits
What This Means For You
E. coli at 5 Zero tolerance (any positive sample triggers immediate action) exceeds the EPA maximum of Zero tolerance (any positive sample triggers immediate action). Severe GI illness; potentially fatal kidney failure in children. Consider UV disinfection (99.99%) filtration.
Fecal Coliform at 4 presence exceeds the EPA maximum of presence.
Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 1 presence exceeds the EPA maximum of presence.
E. coli was detected in this water system. UV disinfection (99.99%) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
Jamestown Town of (EPA ID: CO0107401) is a community water system in Colorado that serves approximately 280 people from surface water sources.
This system serves ZIP code 80455 in Jamestown.
Average Home Safety Score: C (59/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| May 24, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| February 24, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| August 1, 2024 | E. coli | Monitoring | Resolved |
| August 1, 2024 | Fecal Coliform | Monitoring | Resolved |
| April 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| April 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| April 1, 2023 | E. coli | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. coli | Microbiological | 5 | No |
| Fecal Coliform | Microbiological | 4 | No |
| Lead and Copper Rule | Treatment Failure | 2 | No |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 80455 | 0.004 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High 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
- 80455 — Jamestown
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Jamestown Town of (CO0107401) on EPA.gov.
Frequently Asked Questions
Is Jamestown Town of water safe to drink?
Jamestown Town of has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Jamestown Town of serve?
Jamestown Town of serves approximately 280 people across 1 ZIP code in Colorado.
Where does Jamestown Town of get its water?
The primary water source is surface water.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
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
Jamestown Town of (EPA ID: CO0107401) — request the latest Consumer Confidence Report or ask about specific contaminants.