Water Quality in GREENLAWN, NY (11740)
EPA violation data for public water systems serving ZIP code 11740.
41
Total Violations
0
Health-Based
41
Monitoring / Reporting
41
Resolved
What does this mean?
41 of 41 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 41 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 (41 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Nitrate-Nitrite | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Allergic dermatitis |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Kidney damage |
| Barium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increase in blood pressure |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(3)
Nitrate-Nitrite
03
Nitrate-Nitrite
03
Nitrate-Nitrite
03
2023(38)
Chromium
03
Antimony, Total
03
Mercury
03
Barium
03
Selenium
03
Selenium
03
Beryllium, Total
03
Beryllium, Total
03
Chromium
03
Arsenic
03
Mercury
03
Barium
03
Thallium, Total
03
Thallium, Total
03
Antimony, Total
03
Cadmium
03
Cadmium
03
CYANIDE
03
CYANIDE
03
Fluoride
03
Fluoride
03
Nitrate-Nitrite
03
Nitrate-Nitrite
03
Nickel
03
Nickel
03
Arsenic
03
Bromate
27
Bromate
27
Bromate
27
Chlorite
27
Chlorite
27
Nitrite
03
Nitrite
03
Nitrite
03
Nitrate
03
Nitrate
03
Nitrate
03
Chlorite
27
How Does This Compare?
GREENLAWN (11740) has 41 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.
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
Always look for filters certified by NSF International for the specific contaminants you want to remove.