Water Quality in SMITHTOWN, NY (11787)
EPA violation data for public water systems serving ZIP code 11787.
26
Total Violations
17
Health-Based
9
Monitoring / Reporting
26
Resolved
What does this mean?
26 of 26 violations have been resolved. 17 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 9 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 (26 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 23, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 23, 2024 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Health-Based | N/A | 7.75 | Mar 31, 2024 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Health-Based | N/A | 7.75 | Mar 31, 2024 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Mar 15, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Mar 15, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Mar 15, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Di(2-ethylhexyl) phthalate | Health-Based | N/A | 8.4 | Dec 31, 2023 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Health-Based | N/A | 8.4 | Dec 31, 2023 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Health-Based | N/A | 8.4 | Dec 31, 2023 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(7)
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
E. COLI
34
E. COLI
34
E. COLI
34
2023(17)
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Public Notice
75
Public Notice
75
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
Di(2-ethylhexyl) phthalate
02
How Does This Compare?
SMITHTOWN (11787) has 26 recorded violations, including 17 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.
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.