Water Quality in SOUTH THOMASTON, ME (04858)
EPA violation data for public water systems serving ZIP code 04858.
12
Total Violations
2
Health-Based
10
Monitoring / Reporting
9
Resolved
What does this mean?
9 of 12 violations have been resolved. 2 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 10 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 (12 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2025 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(2)
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
2023(3)
Public Notice
75
Public Notice
75
Public Notice
75
How Does This Compare?
SOUTH THOMASTON (04858) has 12 recorded violations, including 2 health-based. 3 remain 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.
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.