Water Quality in CONWAY, NH (03818)
EPA violation data for public water systems serving ZIP code 03818.
83
Total Violations
49
Health-Based
34
Monitoring / Reporting
83
Resolved
What does this mean?
83 of 83 violations have been resolved. 49 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 34 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 |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 14, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 14, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 14, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 14, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 14, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 14, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 14, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 14, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Mar 16, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Mar 16, 2024 | Resolved | N/A |
Violation Timeline
2024(10)
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
4A
Revised Total Coliform Rule
4A
Revised Total Coliform Rule
4A
Revised Total Coliform Rule
4A
Public Notice
75
Public Notice
75
2023(38)
Lead and Copper Rule
53
Lead and Copper Rule
53
Lead and Copper Rule
53
Lead and Copper Rule
53
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Lead and Copper Rule
58
Lead and Copper Rule
58
Lead and Copper Rule
58
Lead and Copper Rule
58
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
4A
Revised Total Coliform Rule
4A
Revised Total Coliform Rule
4A
Revised Total Coliform Rule
4A
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Lead and Copper Rule
58
Lead and Copper Rule
58
Lead and Copper Rule
58
Lead and Copper Rule
58
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
How Does This Compare?
CONWAY (03818) has 83 recorded violations, including 49 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.