YNP-OLD FAITHFUL — Water Quality Report 2026
Serving 7,675 people · Wyoming
Contaminant Test Results
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
16
Violations (last 5yr)
0
Unresolved
9
Health-Related
Consumer confidence report — inadequate or unavailable
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Consumer confidence report — content deficiency
Other non-health-based violation
Other non-health-based violation
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Other non-health-based violation
Exceeded the Maximum Contaminant Level (running average)
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the Maximum Contaminant Level (running average)
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Exceeded the Maximum Contaminant Level (running average)
Violation related to Lead and Copper Rule
Violation related to Nitrate
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Understanding violation severity
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly