PlainWater

Berkshire County, Massachusetts

SDWIS compliance plate

Sheet MA003 · Berkshire County 179 sys · 4,895 viol · #465/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-LOW · SRC-GW · SYS-LARGE · BOOK-FULL

  • VIOL-SEVERE 97.8% flagged
  • HEALTH-LOW 14.4% health
  • RANK-TOP #465/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-LOW 11.1% detect
  • SRC-GW GW lead 90%
  • SYS-LARGE 179 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Middlesex County ( -0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Berkshire County ranks #465 of 3,254 counties by people served, and #11 of 14 counties in Massachusetts. See methodology · corpus placement.

Berkshire County standing, mid-flagged corpus third

Flagged-system rate 97.8% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 14.4% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 11.1% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #465 of 3,254 · #11 of 14 in Massachusetts.

Flagged-rate neighbourhood around Berkshire County

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

0% 20% 40% 60% 80% 100% Suffolk · lowest Hampden · near Berkshire · this county Nantucket · highest 87.5% 96% 97.4% 97.5% 97.8% 99.2% 100%

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

Water Systems

System Name Population Violations PFAS
Pittsfield Dpu Water Dept 43,927 144 Clean
North Adams Water Dept 13,000 320 Detected
Lenox Dpw Water Division 9,800 17 Clean
Adams Fire District 7,851 18 Clean
Williamstown Water Dept 7,326 17 Clean
Dalton Fire District 6,330 68 Clean
Lee Water Dept 5,420 61 Clean
Great Barrington Fire Dist 4,375 219 Clean
Stockbridge Water Dept 2,800 30 -
Lanesborough Fire and Water District 2,324 26 -
Hinsdale Water Dept 1,800 91 -
Monument Mtn Regional Hs 1,700 151 -
Cheshire Water Dept 1,407 57 -
Housatonic Water Works 1,391 53 -
Egremont Water Dept 1,000 108 -
Jiminy Peak Resort 1,000 30 -
Aquarion Water Company 987 10 -
Mt Greylock Regional School 930 88 Clean
Jacobs Pillow Dance Festival 750 31 -
Butternut Basin Inc 600 35 -
Camp Winadu 575 11 -
West Stockbridge Water Dept 535 31 -
Camp Greylock 500 14 -
Bard College at Simons Rock 500 18 -
Berkshire Mall LLC 500 12 -
YMCA Camp HI Rock 500 24 -
Camp Danbee 500 1 -
Dcr Mt Greylock State Reservation 464 28 -
Camp Mah Kee Nac 450 11 -
Berkshire School 425 29 -
Chimney Corners Camp 400 62 -
YMCA Camp Becket 400 10 -
Hutchinson Water LLC 400 22 -
Vacation Village in the Berkshires 400 94 -
Camp Lenox 325 22 -
Berkshire Waldorf School 300 68 -
Camp Kimama Halfmoon 300 6 -
Camp Russell 300 5 -
Clarksburg Elementary School 250 4 -
Dcr Beartown State Forest 250 42 -
Bousquet Sport 250 4 -
Richmond Consolidated School 250 9 -
Berkshire Country Day School 250 13 -
Huttopia Berkshire LLC 225 13 -
Farmington River Reg Elem School 225 3 -
White Pines Condominiums 225 37 -
Dcr Tolland State Forest 207 46 -
Camp Taconic 200 11 -
Buel Lake Associates LLC 200 18 -
Hume New England 1 200 6 -

Compare beyond Massachusetts

Mid-flagged peers for Berkshire County

Cross-state counties nearest Berkshire County on flagged-system share (97.8%) and cumulative violation count (4,895). 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
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.