PlainWater

Hampshire County, Massachusetts

SDWIS compliance plate

Sheet MA015 · Hampshire County 93 sys · 2,908 viol · #431/3254

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

  • VIOL-SEVERE 93.5% flagged
  • HEALTH-LOW 10.8% health
  • RANK-TOP #431/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-LOW 20.0% detect
  • SRC-GW GW lead 92%
  • SYS-MID 93 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Franklin County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Hampshire County ranks #431 of 3,254 counties by people served, and #10 of 14 counties in Massachusetts. See methodology · corpus placement.

Hampshire County standing, mid-flagged corpus third

Flagged-system rate 93.5% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 10.8% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 20.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #431 of 3,254 · #10 of 14 in Massachusetts.

Flagged-rate neighbourhood around Hampshire County

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

0% 20% 40% 60% 80% 100% Suffolk · lowest Norfolk · near Franklin · near Nantucket · highest 87.5% 93% 93% 93.5% 93.8% 95.7% 100%

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

Water Systems

System Name Population Violations PFAS
Amherst Dpw Water Division 39,263 42 Clean
Northampton Water Division 29,571 100 Clean
Easthampton Water Dept 16,211 81 Clean
South Hadley Fd #1 (Mwra) 14,800 25 Clean
Ware Water Dept 10,066 165 Detected
South Hadley Fire District #2 Water Dept 6,200 81 Clean
Hadley Dpw Water Division 4,871 43 Clean
Southampton Water Dept 4,853 23 Clean
Hatfield Water Dept 3,183 71 Detected
Belchertown Water District 3,098 26 Clean
Huntington Water Dept 2,180 36 -
Williamsburg Water Dept 1,575 97 -
Granby JR SR High and East Meadow School 870 104 -
Hampshire Regional High School 847 7 -
Gateway Regional School 621 81 -
Pine Valley Plantation 600 37 -
Worthington Fire District 565 23 -
Cummington Water Dept 310 79 -
The Macduffie School 305 20 -
Dufresne Recreational Area 300 14 -
Swift River 250 70 -
Halon Plaza 250 19 -
Hammond Acres Water Corp 200 5 -
Cumberland Farms #2403 200 11 -
Northampton / Springfield KOA Holiday 200 8 -
New Hingham Regional Elementary School 189 28 -
Norwich Lake Farm Lower System 170 85 -
4H Camp Howe Inc 160 5 -
Dcr Skinner State Park 156 5 -
Granby Heights Condominiums 152 12 -
YMCA Camp Norwich 150 7 -
Westhampton Elementary School 148 5 -
Shire Village Camp 135 17 -
The Retreat at Norwich Lake 130 0 -
Old Creamery Cooperative Inc 125 1 -
Children First Enterprises Inc 121 9 -
Linda Manor Nursing Home 120 73 -
Dcr Dar State Forest 113 16 -
West Cummington Water Dept 110 83 -
Sports Haven Mobile Home Park 107 227 -
Bachelor Knolls 101 40 -
Mill Valley Golf Links Inc 100 10 -
Knightville Dam Water System 100 18 -
Outlook Farm 90 38 -
Dcr Quabbin Administration Building 80 34 -
Crescent Valley Condos 78 71 -
Snow Farm 76 4 -
Cold Spring Country Club 75 15 -
Camp Holy Cross 75 3 -
American Legion Post #266 75 5 -

Compare beyond Massachusetts

Mid-flagged peers for Hampshire County

Cross-state counties nearest Hampshire County on flagged-system share (93.5%) and cumulative violation count (2,908). 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.