PlainWater
Counties → Maine

Washington County, Maine

SDWIS compliance plate

Sheet ME029 · Washington County 108 sys · 7,972 viol · #1682/3254

VIOL-SEVERE · HEALTH-LOW · RANK-MID · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-MID · BOOK-MOST

  • VIOL-SEVERE 94.4% flagged
  • HEALTH-LOW 18.1% health
  • RANK-MID #1682/3254
  • PHOTO-FINISH ±0.4 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 97%
  • SYS-MID 108 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Waldo County (+ 0.4 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Washington County ranks #1,682 of 3,254 counties by people served, and #13 of 16 counties in Maine. See methodology · corpus placement.

Washington County standing, mid-flagged corpus third

Flagged-system rate 94.4% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 18.1% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Washington County . Population served ranks #1,682 of 3,254 · #13 of 16 in Maine.

Flagged-rate neighbourhood around Washington County

Lowest/highest poles plus in-state counties nearest Washington County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Androscoggin · lowest Washington · this county Franklin · near Sagadahoc · highest 87.2% 94% 94.4% 94.8% 95.1% 95.2% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Calais Water Dept 2,775 24 -
Passamaquoddy Water District 2,125 293 -
Lubec Water District 1,775 42 -
Baileyville Utilities District 1,688 44 -
Machias Water Company 1,390 0 -
Indian Township Tribal Water System 535 431 -
Washington Academy #2 488 31 -
Washington Academy #1 487 62 -
Milbridge Water District 405 167 -
Washington County Community College #3 400 22 -
Calais High School 390 90 -
Danforth Water District 373 39 -
Causeway Commons 365 24 -
Hilltop Campground 325 63 -
Quantabacook Water District 303 361 -
Keenes Lake Family Campground 277 130 -
St Croix Country Club Inc 264 127 -
Msu 103 Jonesport Elem/Jbhs 237 205 -
Aos 96 Elm Street School 230 55 -
Pleasant Lake Camping Area 227 93 -
Down East Community Hospital 205 23 -
Nook & Cranny Restaurant 204 236 -
Greenland Cove Campground 203 66 -
Sipayik Elementary School 187 2 -
Sunset Point Campground 180 33 -
Flagpole View Cabins & Liberty Kitchen 175 44 -
Addison Point Water District 168 108 -
Msad 37 Milbridge Elementary School 158 60 -
Baptist Youth Camp 157 88 -
Msad 37 Harrington Elem School 151 8 -
Washington County Community College #2 150 20 -
Pleasant Lake Campground #2 148 106 -
Aos 90 Princeton Elementary School 138 14 -
West Branch Farms 135 72 -
Down East Health Center 135 4 -
Msad 37 Cherryfield Elementary School 133 15 -
Tunkjoy Bakery 130 0 -
Camp Eagle Wing 130 6 -
Rsu 24 Ella Lewis School 127 7 -
St Croix Regional Family Health Center 120 20 -
Msad 37 Daniel W Merrit School 118 107 -
The Meadows Takeout/Ole 98 Tavern 111 16 -
Cottonwood Camping 102 28 -
Cobscook Institute-2 100 28 -
Wymans of Maine-Housing 100 8 -
Coastal Washington Cit 99 0 -
Washington County Community College #1 99 57 -
Maine Wilderness Camps 97 66 -
Narraguagus Estates 97 33 -
Washington Academy #3 96 12 -

Compare beyond Maine

Mid-flagged peers for Washington County

Cross-state counties nearest Washington County on flagged-system share (94.4%) and cumulative violation count (7,972). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - 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

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.