Apr 15, 2026 · 7 min read
PFAS "Forever Chemicals" in US Drinking Water: 2026 Update
PFAS contamination affects an estimated 200 million Americans. Here's what the latest EPA enforcement means for your tap water.
ZIP Code 04401 Water Quality
Maine · 28,654 people served · 17 water systems
F
FailingZIP code 04401 is in Maine and is a small city from a drinking-water-service perspective, with 28,654 people served by 17 EPA-registered public water systems. It overlaps with 2 communities including BANGOR, HERMON.
Within ZIP code 04401, the EPA Safe Drinking Water Information System (SDWIS) records 29 health-based violations during the past five years across 17 water systems serving this postal area. The grade of F reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
Loading map...
Cities in ZIP 04401
Water Systems Serving 04401
GREENWOOD GARDEN APARTMENTS
PWSID: ME0092327
50 served
EVERGREEN COMMUNITY MH PARK
PWSID: ME0007154
90 served
WINDSWEPT ESTATES MH PARK
PWSID: ME0002577
75 served
WHIPPOORWILL HILL MOBILE HOME
PWSID: ME0008716
85 served
MAPLEWOOD MOBILE HOME PARK
PWSID: ME0014643
70 served
SUN HANCOCK HEIGHTS- EAST
PWSID: ME0007242
158 served
SUN HANCOCK HEIGHTS-WEST
PWSID: ME0107242
155 served
BANGOR WATER DISTRICT
PWSID: ME0090110
27,298 served
TOWNE CENTER-RIDGEWOOD APARTMENTS
PWSID: ME0091373
60 served
BOULIER PLACE APTS
PWSID: ME0090205
60 served
TOWN HALL APTS - LAGRANGE
PWSID: ME0092298
60 served
FAIRGROUND APARTMENTS
PWSID: ME0091780
60 served
SUNNY GABLES- GLENBURN HOUSING
PWSID: ME0090615
60 served
MATTAWAMKEAG HOUSING CORP
PWSID: ME0090949
33 served
HOMESTEAD ESTATES LLC
PWSID: ME0095640
125 served
HINGHAM HEIGHTS
PWSID: ME0095699
140 served
WILLOWBROOK MOBILE HOME PARK
PWSID: ME0095717
75 served
About ZIP-code water data
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
From the Blog
Photo by Bluewater Sweden on Unsplash
Mar 22, 2026 · 6 min read
How to Read Your Annual Water Quality Report (CCR)
Your water utility is legally required to send you a Consumer Confidence Report every year. Here's how to actually understand it.
Photo by Louis Hansel on Unsplash
Mar 5, 2026 · 9 min read
Lead in Tap Water: The Complete 2026 Guide
Lead enters drinking water through old pipes and fixtures. Here's how to identify your risk and what to do about it.
Photo by Eduardo Casajús Gorostiaga on Unsplash
Feb 18, 2026 · 5 min read
What Is an EPA Maximum Contaminant Level (MCL)?
MCLs are the foundation of US drinking water safety. Here's how they're set and what they mean for your tap.
Photo by Naja Bertolt Jensen on Unsplash
