Water Quality in Portland, ME
Portland's water has 1 contaminant above health guidelines. Consider using a certified water filter for additional protection.
Utility
PORTLAND WATER DISTRICT-GREATER
People Served
142,000
MCL Violations
0
Last Updated
Jul 15, 2025
Quick Summary
Contaminants Detected
Understanding the Data
This data comes from your local water utility testing. The bar charts compare detected levels against health guidelines (HGL). Contaminants above the health guideline are shown by default and may require filtration. All other tested contaminants are within safe levels and can be viewed by expanding the section above.
Recommended Water Filters for Portland
Based on Portland's water quality data, these NSF-certified filters are recommended to remove contaminants above health guidelines.

3AC Co., Ltd.
DA97-08006C-1 DA97-08006C-1
NSF Certified:
Capacity
316 gal
Filter Life
1 mo
Flow Rate
0.4 gpm
Removes 19 contaminants:
1,2 Dichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos, Atrazine +14 more

4Patriots
Patriot Patriot Pure Ultimate Water Filtration System
NSF Certified:
Capacity
200 gal
Filter Life
1 mo
Removes 13 contaminants:
Arsenic, Cadmium, Chlorine (Free), Chlorine (Total), Chlorine Dioxide +8 more
![100186E[3] 100186E[3]](/_next/image?url=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F61P5w3kkGdL._AC_SY450_.jpg&w=3840&q=75)
Access Business Group International LLC, DBA Amway
100186E[3] 100186E[3]
NSF Certified:
Capacity
13201 gal
Filter Life
44 mo
Flow Rate
0.9 gpm
Removes 8 contaminants:
Asbestos, Lead, Mercury, Methyl Tertiary Butyl Ether, Perfluorooctanesulfonic acid +3 more

Access Business Group International LLC, DBA Amway
100186F 100186F
NSF Certified:
Capacity
13201 gal
Filter Life
44 mo
Flow Rate
0.9 gpm
Removes 13 contaminants:
Asbestos, Chloramine, Chlorine (Free), Chlorine (Total), Chlorine Dioxide +8 more
Frequently Asked Questions
Portland's water has 1 contaminant above health guidelines. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.