Water Quality in MADISON, NH (03849)
EPA violation data for public water systems serving ZIP code 03849.
45
Total Violations
19
Health-Based
26
Monitoring / Reporting
45
Resolved
What does this mean?
45 of 45 violations have been resolved. 19 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 26 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 (45 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | May 11, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 11, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 8, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 8, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 8, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 8, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 5, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 5, 2025 | Resolved | N/A |
| Combined Uranium | Health-Based | N/A | 67 | Dec 31, 2024 | Resolved | N/A |
| Combined Uranium | Health-Based | N/A | 67 | Dec 31, 2024 | Resolved | N/A |
Violation Timeline
2025(8)
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Public Notice
75
Public Notice
75
2024(27)
Combined Uranium
02
Combined Uranium
02
Combined Uranium
02
Combined Uranium
02
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Combined Uranium
02
Combined Uranium
02
Combined Uranium
02
Combined Uranium
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Combined Uranium
02
Combined Uranium
02
Combined Uranium
02
How Does This Compare?
MADISON (03849) has 45 recorded violations, including 19 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
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.