Water Quality in PORTLAND, ME (04102)
EPA violation data for public water systems serving ZIP code 04102.
24
Total Violations
2
Health-Based
22
Monitoring / Reporting
24
Resolved
What does this mean?
24 of 24 violations have been resolved. 2 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 22 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 (24 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Bromate | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Increased risk of cancer |
| Bromate | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Increased risk of cancer |
| CARBON, TOTAL | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| CARBON, TOTAL | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Health-Based | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Health-Based | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2022(16)
Bromate
27
Bromate
27
CARBON, TOTAL
27
CARBON, TOTAL
27
Lead and Copper Rule
57
Lead and Copper Rule
57
Consumer Confidence Rule
71
Consumer Confidence Rule
71
TTHM
27
TTHM
27
TTHM
27
TTHM
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
2021(8)
Lead and Copper Rule
66
Lead and Copper Rule
66
Lead and Copper Rule
66
Lead and Copper Rule
66
Bromate
27
Bromate
27
CARBON, TOTAL
27
CARBON, TOTAL
27
How Does This Compare?
PORTLAND (04102) has 24 recorded violations, including 2 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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.