Water Quality in NASSAU, DE (19969)
EPA violation data for public water systems serving ZIP code 19969.
8
Total Violations
0
Health-Based
8
Monitoring / Reporting
8
Resolved
What does this mean?
8 of 8 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 8 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (8 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Groundwater Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Groundwater Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
Violation Timeline
2025(4)
Groundwater Rule
31
Groundwater Rule
31
Chlorine
27
Chlorine
27
2023(4)
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
How Does This Compare?
NASSAU (19969) has 8 recorded violations, none of which are health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.