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Counties → Pennsylvania

Cumberland County, Pennsylvania

SDWIS compliance plate

Sheet PA041 · Cumberland County 99 sys · 10,230 viol · #280/3254

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

  • VIOL-SEVERE 94.9% flagged
  • HEALTH-LOW 4.5% health
  • RANK-TOP #280/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-HIGH 66.7% detect
  • SRC-GW GW lead 92%
  • SYS-MID 99 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Perry County ( -0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Cumberland County ranks #280 of 3,254 counties by people served, and #16 of 68 counties in Pennsylvania. See methodology · corpus placement.

Cumberland County standing, mid-flagged corpus third

Flagged-system rate 94.9% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 4.5% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #280 of 3,254 · #16 of 68 in Pennsylvania.

Flagged-rate neighbourhood around Cumberland County

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

0% 20% 40% 60% 80% 100% Greene · lowest Cumberland · this county Adams · near Sullivan · highest 66.7% 94.7% 94.9% 94.9% 95.2% 95.2% 100%

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

Water Systems

System Name Population Violations PFAS
PA American Water Co West 105,127 24 Detected
Veolia Mechanicsburg 45,013 98 Detected
Carlisle Water Trmt Plt 26,000 67 Detected
Shippensburg Boro Water Auth 17,800 418 Clean
South Middleton Twp Water Auth 11,695 354 Detected
N Middleton Water Auth 8,455 153 Detected
Middlesex Twp Muni Auth 3,527 235 Clean
State Correctional Inst 3,500 220 Detected
Mt Holly Springs Boro Auth 3,261 138 -
Newville Boro Water Auth 2,070 146 Clean
US Army Garrison 1,700 124 -
Blue Mt Turnpike Plaza 900 82 -
Pine Grove Furnace State Park 900 70 -
Cumberland Valley Trnpk Plaza 900 126 -
Mountain Creek Cpgrd 800 75 -
Aqua PA White Rock Acres Sys 790 125 -
7 Eleven Store 40069 720 23 -
B B Grocery Outlet Newburg 675 60 -
Visaggios Ristorante 650 41 -
Crestview Elem Sch 537 135 -
Williams Grove Speedway 500 39 -
Rutters 66 500 64 -
I 81 Commerce Park 500 2 -
Regency Woods MHP 450 446 -
Big Spring Terrace MHP 439 242 -
Green Ridge Elem Sch 425 24 -
Southern Cumberland Water Assn 400 322 -
Dogwood Acres Rec Area 400 16 -
Carlisle Church of Lds 391 0 -
Monroe Elementary School 350 163 -
Country View Est 330 85 -
Rich Valley Golf Course 300 10 -
Meeting House Church Dillsburg 300 2 -
Col Denning St Park 300 32 -
Carlisle Swim Club 300 61 -
Williams Grove MHP 282 49 -
Southampton Twp Bldg & Park 270 0 -
Conodoguinet Mobile Est 265 28 -
North Dickinson Elem Sch 253 125 -
Dickinson Twp Munic Auth 250 33 -
Philip Bongiorno Conf Cntr 250 610 -
Beistle Co 250 372 -
T J Rockwells American Grill 250 47 -
Ashcombe Vegetable Farm & Deli 250 43 -
Lower Allen Comm Park 250 29 -
Plainfield Mart 250 235 -
Dollar General Plainfield 250 37 -
Eagles Crossing Golf Club 200 19 -
Cherokee Campgound 200 43 -
Midway Bowling Center 200 77 -

Compare beyond Pennsylvania

Mid-flagged peers for Cumberland County

Cross-state counties nearest Cumberland County on flagged-system share (94.9%) and cumulative violation count (10,230). 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.