CHRISTIANA MUNI WATER AUTH — Water Quality Report 2026
Serving 1,100 people · Pennsylvania
Contaminant Test Results
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.57 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.070 mg/L | 0.015 mg/L | Over Limit |
EPA Violation History
9
Violations (last 5yr)
0
Unresolved
2
Health-Related
Violation related to Consumer Confidence Report
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Disinfection byproduct treatment technique failure
Failed treatment technique requirements
Disinfection byproduct treatment technique failure
Failed treatment technique requirements
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
Violation related to Consumer Confidence Report
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.
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.
Understanding violation severity
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly