Water Quality in BROOKLYN, NY (11203)
EPA violation data for public water systems serving ZIP code 11203.
83
Total Violations
10
Health-Based
73
Monitoring / Reporting
80
Resolved
What does this mean?
80 of 83 violations have been resolved. 10 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 73 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 (83 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | Feb 12, 2025 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
Violation Timeline
2025(5)
Public Notice
75
Groundwater Rule
41
Groundwater Rule
41
Groundwater Rule
41
Groundwater Rule
41
2024(20)
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
Chlorine
27
Chlorine
27
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
Groundwater Rule
31
Chlorine
27
Chlorine
27
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
How Does This Compare?
BROOKLYN (11203) has 83 recorded violations, including 10 health-based. 3 remain unresolved. 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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.