Water Quality in NEW LONDON, NH (03257)
EPA violation data for public water systems serving ZIP code 03257.
26
Total Violations
5
Health-Based
21
Monitoring / Reporting
26
Resolved
What does this mean?
26 of 26 violations have been resolved. 5 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 21 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 |
|---|---|---|---|---|---|---|
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Public Notice | Monitoring | N/A | N/A | Aug 24, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Aug 24, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
Violation Timeline
2024(10)
Arsenic
03
Arsenic
03
Arsenic
03
Arsenic
03
Public Notice
75
Public Notice
75
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
2023(2)
Revised Total Coliform Rule
4A
Revised Total Coliform Rule
2B
How Does This Compare?
NEW LONDON (03257) has 26 recorded violations, including 5 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.