Chromium violations in Maine
12 active public water systems in Maine had a Chromium violation in the past three years. What Chromium is and why it matters.
Health effects: Hexavalent chromium is associated with increased cancer risk through ingestion in animal studies and is classified by EPA as a probable human carcinogen (Group B1) for inhalation, with growing evidence for oral carcinogenicity. Chronic exposure to total chromium causes liver and kidney damage, allergic dermatitis, and gastrointestinal irritation. Individuals with pre-existing liver or kidney conditions face greater risk.
Systems with a Chromium violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Mars Hill and Blaine Water Company Mars Hill · Aroostook County |
1,500 | 6 | 0 | |
|
Shady Oaks Mobile Home Park Arundel · York County |
185 | 4 | 0 | |
|
Sunday River-Lower System Bethel · Oxford County |
162 | 3 | 0 | |
|
Grandeur Mobile Home Estates Carmel · Penobscot County |
100 | 7 | 2 | |
|
Timberline Village Fairfield · Somerset County |
95 | 4 | 1 | |
|
US Border Patrol Station-Hodgdon Hodgdon · Aroostook County |
80 | 6 | 0 | |
|
Burnt Mill Settlement Wells · York County |
73 | 6 | 1 | |
|
Sweet Pea Childcare Eliot · York County |
70 | 5 | 0 | |
|
Vigneaults Mobile Home Park Alton · Penobscot County |
53 | 6 | 2 | |
|
Sues Place Daycare Arundel · York County |
44 | 2 | 0 | |
|
Rhymes and Reasons Early Learning Center Greene · Androscoggin County |
42 | 5 | 0 | |
|
US Nps Acadia Natl Pk-Schoodic Facility Winter Harbor · Hancock County |
35 | 7 | 1 |
About this data
A system is counted once if any of its violations in the past three years involved Chromium, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Chromium alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Maine records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.