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Counties → Massachusetts

Hampden County, Massachusetts

SDWIS compliance plate

Sheet MA013 · Hampden County 115 sys · 3,254 viol · #159/3254

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

  • VIOL-SEVERE 97.4% flagged
  • HEALTH-LOW 10.5% health
  • RANK-TOP #159/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-LOW 8.3% detect
  • SRC-GW GW lead 86%
  • SYS-MID 115 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, Hampden County ranks #159 of 3,254 counties by people served, and #9 of 14 counties in Massachusetts. See methodology · corpus placement.

Hampden County standing, mid-flagged corpus third

Flagged-system rate 97.4% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 10.5% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 8.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #159 of 3,254 · #9 of 14 in Massachusetts.

Flagged-rate neighbourhood around Hampden County

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

0% 20% 40% 60% 80% 100% Suffolk · lowest Dukes · near Middlesex · near Nantucket · highest 87.5% 95.7% 96% 97.4% 97.5% 97.8% 100%

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

Water Systems

System Name Population Violations PFAS
Springfield Water and Sewer Commission 167,954 41 Clean
Chicopee Water Dept (Mwra) 55,560 13 Clean
Westfield Dpwwater Division 41,094 152 Detected
Holyoke Water Works 40,124 76 Clean
West Springfield Dpw Water Division 28,835 52 Clean
Agawam Water Department 28,692 26 Clean
East Longmeadow Dpw Water Dept 16,161 28 Clean
Longmeadow Water Dept 15,815 66 Clean
Wilbraham Water Dept (Mwra) 8,533 23 Clean
Southwick Water Dept 7,646 140 Clean
Palmer Water District No.1 4,789 29 Clean
Monson Water and Sewer Dept 4,212 65 Clean
Three Rivers Fire District 3,258 42 -
Thorndike Fire and Water District 1,435 10 -
Bondsville Fire and Water District 1,429 59 -
Russell Water Dept 1,228 66 -
Westover Arb 950 26 -
Camp Ramah 900 11 -
Chester Water Dept 750 226 -
Bethlehem Baptist Church 600 1 -
Liberty Manor Inc 500 1 -
Blandford Water Dept 442 128 -
Cumberland Farms Store #2080 400 5 -
Oconnell Convenience Plus Store #13 400 13 -
Westover Golf Course 350 27 -
Brimfield Elementary School 327 123 -
Green Meadows School 321 7 -
Wildwood Property Owners 300 12 -
Thornton Burgess Middle School 270 35 -
Hampden Senior Center 250 4 -
Sunsetview Farm Camping Area 250 2 -
Holland Elementary School 232 135 -
Greathorse Country Club 201 18 -
Field Club of Longmeadow 201 4 -
Mk Fuel Inc 200 10 -
Roha Enterprises II Ltd 200 13 -
The Ranch Golf Club 200 29 -
Camp Kinderland 200 11 -
Quinebaug Cove Campsite 175 13 -
Dcr Mt Tom State Reservation 175 15 -
Francescos Italian Restaurant 155 14 -
St Anne Country Club Inc 150 5 -
Mt View Drive IN 150 9 -
Partridge Hollow Camping 150 7 -
Meadowbrook Acres Mobile Home Park 137 13 -
Deep Roots Distillery 125 2 -
Chester / Middlefield Elem School 123 5 -
Prospect Mountain Campground 110 30 -
Wales Elementary School 108 67 -
Granville Village School 100 7 -

Compare beyond Massachusetts

Mid-flagged peers for Hampden County

Cross-state counties nearest Hampden County on flagged-system share (97.4%) and cumulative violation count (3,254). 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.