Water Quality in MIDDLEBOROUGH, MA (02346)
EPA violation data for public water systems serving ZIP code 02346.
12
Total Violations
11
Health-Based
1
Monitoring / Reporting
12
Resolved
What does this mean?
12 of 12 violations have been resolved. 11 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 1 is a monitoring or reporting violation (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 (12 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Gross Alpha, Excl. Radon and U | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Nitrate | Health-Based | N/A | 10.5 | Sep 30, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Health-Based | N/A | 11.4 | Jun 30, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Health-Based | N/A | 11.4 | Mar 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Health-Based | N/A | 11.4 | Mar 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Health-Based | N/A | 14.5 | Sep 30, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Health-Based | N/A | 14.5 | Sep 30, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Health-Based | N/A | 12 | Jun 30, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
Lead & Copper Levels
Violation Timeline
2025(3)
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Gross Alpha, Excl. Radon and U
03
2024(4)
Nitrate
01
Nitrate
02
Nitrate
02
Nitrate
02
How Does This Compare?
MIDDLEBOROUGH (02346) has 12 recorded violations, including 11 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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
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.