Water Quality in CANTON, MA (02021)
EPA violation data for public water systems serving ZIP code 02021.
23
Total Violations
0
Health-Based
23
Monitoring / Reporting
22
Resolved
What does this mean?
22 of 23 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 23 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 (23 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| 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 |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Active | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(4)
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
2024(5)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Lead and Copper Rule
52
How Does This Compare?
CANTON (02021) has 23 recorded violations, none of which are health-based. 1 remains unresolved. 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.