PlainWater
Counties → Maine

Hancock County, Maine

Water Systems
201
Population Served
46,973
Total Violations
21,298
2,865 health-based
PFAS Detected
2
of 3 tested

Violation Analysis

95.5%
Systems with Violations
106.0
Avg Violations per System
13.5%
Health-Based Violations

Water Source Types

GW
42 systems (21%)
SW
8 systems (4%)

PFAS Contamination

3
Systems Tested
2
PFAS Detected
66.7%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Hancock Maine water systems by violation status, EPA SDWIS records.

No violations on record (2) One or more violations (48)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Town of Bar Harbor- Water Division 4,443 5 Detected
Ellsworth Water Department 3,910 102 Clean
Southwest Harbor Water & Sewer District 2,480 536 -
Maine Water Company Bucksport Division 1,700 17 -
Mount Desert Water Dist North 1,623 76 -
Castine Water Department 983 48 -
US Nps Jordan Pond Hse (18) 888 13 -
Mount Desert Water Dist -Seal 865 24 -
Asticou Inn 760 6 -
Winter Harbor Water District 700 52 -
Stonington Water Company 683 158 -
Aos 91 Mt Desert Island High School 615 64 -
Timberland Acres Campground 565 149 -
Narrows Too Campground 525 6 -
Hadleys Point Campground 505 86 -
US Nps Sieur de Monts (2) 500 8 -
US Nps Cadillac Mtn (8) 500 14 -
Mt Desert Narrows Campground 499 4 -
Blaze Blue Hill 450 96 -
Franklin Water Department 443 104 Detected
Patten Pond Camping Resort 430 21 -
Lucerne Inn 422 19 -
Northern Light Blue Hill 409 119 -
Bar Harbor KOA Oceanside-West Side 401 63 -
Big Cats Catering-Tiny Tykes Daycare 383 100 -
Mount Desert Campground 375 45 -
Camp Beech Cliff 350 86 -
Msu 93 Blue Hill Consolidated School 319 96 -
Bunkers Seafood and Spirits 319 359 -
Blue Hill Public Library 318 21 -
Balsam Cove Campground 314 56 -
Lawrence Family Fitness Center 309 48 -
George Stevens Academy 308 145 -
Long Pond Water District 308 188 -
Bass Harbor Campground 305 18 -
Cold Spring Water Company 305 48 -
Abels Lobster Pound 301 50 -
Hancock Pour House 300 4 -
Arborvine Restaurant & Brewery 296 0 -
Terramor Outdoor Resort 292 45 -
Smugglers Den 289 27 -
Causeway Club Inc 270 8 -
The Pickled Wrinkle 267 46 -
Rsu 24 Mountain View School 264 30 -
US Nps Schoodic Woods Campground 264 0 -
Marlintinis Grill Inc 252 4 -
US Nps Echo Lake (12) 250 72 -
Islesford Dock Restaurant 240 263 -
Msu 76 Deer Isle/Stonington K-8 School 240 68 -
Camp Jordan 235 103 -

Other Counties in Maine

Cumberland County
224 systems · 217,874 served · 17,731 violations
York County
190 systems · 164,445 served · 12,163 violations
Penobscot County
168 systems · 92,443 served · 15,780 violations
Kennebec County
169 systems · 79,399 served · 9,772 violations
Androscoggin County
94 systems · 70,047 served · 4,940 violations
Aroostook County
124 systems · 40,588 served · 14,153 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Hancock County? ▼
Hancock County has 21,298 total drinking water violations across 201 water systems, of which 2,865 are health-based violations. 95.5% of systems have at least one violation.
How many people get water from Hancock County systems? ▼
Water systems in Hancock County serve approximately 46,973 people through 201 public water systems.
Has PFAS been detected in Hancock County water? ▼
Of 3 water systems tested for PFAS in Hancock County, 2 had PFAS detected (66.7% detection rate).
What types of water sources supply Hancock County? ▼
Water systems in Hancock County use GW (42 systems), SW (8 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 13.5% of Hancock County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.