WILMINGTON WATER DEPARTMENT Water Quality Report
Population
107,976
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 3
violations recorded
C
Fair
Safety Grade
3 violations in the past 5 years, including 1 health-based
System Details
- PWSID
- DE0000663
- Population Served
- 107,976
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Delaware
- EPA Region
- 3
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 0800 | ✕ Health-Based | 3 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 3 |
Violation History
2023
3
2017
1
2015
3
Total violations on record: 7
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
7violations total
25% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 16× more people than the national average.