Tapcensus

Pennsylvania

Chester County drinking water quality

269 active public water systems serve 301,808 people in Chester County. 121 are compliant, 148 had at least one EPA violation in the past three years, 0 are designated serious violators, and 2 carry a health flag.

Active systems 269 67 community systems
People served 302K by public water systems
Systems with violations 148 55% of active systems, past 3 years
Serious violators 0 2 systems carry a health flag

Needs attention

Tel Hai Camp PA1150832 · Transient non-community system · Serves 120 2 rules violated in the past three years. Unresolved: Revised Total Coliform Rule and Public Notice Rule and Revised PN Rule.
Casa Italia PA1150421 · Transient non-community system · Serves 100 1 rule violated in the past three years. Unresolved: Revised Total Coliform Rule.

Community water systems

67 systems, largest first
SystemServesStatusRules violated, 3 yrUnresolved
PA American Royersford
 49,508 1 0
Aqua PA West Chester
 48,600 1 0
PA American Coatesville
 36,960 2 0
Aqua PA Uwchlan
 35,518 0 0
Phoenixville Water Dept
 16,599 8 0
Downingtown Water Authority
 9,900 3 0
Aqua PA Friendship
 8,800 0 0
Aqua PA Spring Run
 8,151 1 0
Kennett Square Mun Water Works
 6,328 9 1
Oxford Borough
 5,280 2 0
London Grove Twp Mun Auth
 4,770 1 0
North Coventry Water System
 2,907 3 0
Honey Brook Boro Water
 2,892 5 0
West Grove Borough
 2,873 4 0
Coatesville Veterans Adm Hosp
 2,000 3 0
Elverson Water Company
 1,641 3 0
Aqua PA Honeybrook
 1,600 0 0
Borough of Atglen
 1,406 0 0
Borough of Avondale
 1,108 3 0
Tel Hai Retirement Community
 930 0 0
Ridglea
 900 1 0
Westtown School
 900 2 1
Aqua PA East Pikeland
 675 0 0
Indian Run Village MHP
 550 3 1
Nottingham Manor M H Court
 473 3 0
Appleville Mobile Home Park
 461 2 0
Spring Run Estates Wtp
 450 2 0
Longwood Gardens
 440 5 0
Avonwheel Estate MHP
 300 0 0
Aqua PA Franklin
 265 2 0
Coventry Terrace
 250 3 0
Malvern Courts MHP
 250 3 0
Wetherill Estates
 250 0 0
Creekview MHP
 200 8 0
Arbour Court
 180 3 0
Martins Community LP MHP
 180 4 0
Londonderry Court MHP
 160 5 0
Camphill Soltane
 152 0 0
Imperial Mobile Home Park
 151 2 1
Camphill Spec Sch Beaver Run
 140 1 1
Bcwsa ST Stephens Greene
 130 0 0
Loags Corner Mobile Home Park
 130 0 0
Shady Grove Mobile Home Park
 129 2 0
Stone Barn Rentals
 120 5 1
Twin Pines Health Care Center
 120 4 0
Camphill Village Kimberton Hls
 100 1 0
Cochranville MHP
 99 1 0
Warwick Water Works
 98 2 0
Artesian Water PA INC
 95 3 1
Hideaway Mobile Home Park
 95 1 1
Non-community systems (202: schools, campgrounds, workplaces, restaurants)

These systems serve places people visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
Octorara Area School District
 3,100 3 1
Wawa Food Market 289
 2,925 0 0
Ojrsd Owen J Roberts MS and HS
 1,750 1 0
Marsh Creek State Park
 1,630 4 2
Wawa Food Store #88
 1,425 0 0
Turkey Hill Minit Market #82
 1,400 2 0
Peter J. Camiel Service Plaza
 1,100 6 1
Loch Nairn Farm
 1,000 4 0
Turkey Hill #168
 900 0 0
Ojrsd French Creek Elem Sch
 700 0 0
Brandywine Wallace Elem
 600 5 1
Springton Manor Elementary
 600 1 0
Avon Grove Charter School
 549 1 0
Ojrsd E Vincent Elem School
 538 0 0
Camp Saginaw
 530 0 0
Ojrsd N Coventry Elem School
 530 0 0
Casd Kings Highway Elem Sch
 521 1 1
Aqua PA Superior Suburbia Ctr
 500 0 0
Chadds Ford Elementary School
 500 3 0
Chaddsford Winery
 500 0 0
Turkey Hill Minit Market #177
 500 0 0
Willowdale Town Center
 500 1 1
Camp Horseshoe
 400 1 0
Coatesville Country Club
 400 0 0
Herr Foods
 400 0 0
Modern Mushroom Farms
 400 2 0
Star Gas Mart
 400 1 0
East Fallowfield Elem School
 380 0 0
Kimberton Waldorf School
 380 1 0
Giordanos Restaurant
 375 0 0
Seven Stars Inn
 350 2 0
Meadowcroft Presby Church
 340 0 0
Maple Grove Mennonite Church
 339 0 0
Nottingham County Park
 330 0 0
Cornerstone Fellowship Church
 325 0 0
Oxford Gun Club
 312 0 0
Birchview Farm Campground
 300 1 0
Camp at Old Mill
 300 0 0
Elwood L Crossan Park
 300 1 0
Hibernia County Park
 300 0 0
Kolbs Farm Store
 300 2 0
Montgomery School
 300 4 1
Radnor Hunt Club
 300 1 1
Triple Fresh Market
 300 1 1
Turkey Hill #261
 300 0 0
Turkey Hill Minute Mart #118
 300 0 0
White Manor Country Club
 300 0 0
Hersheys Farm Market
 275 0 0
Upland Country Day School
 265 1 0
Paradise Farm Camps
 260 2 1
First Baptist Church of Pass
 250 0 0
Honey Brook Golf Club
 250 0 0
Shoppes of London Britain LP
 250 0 0
Camp Innabah
 230 1 1
Camp Sankanac
 200 0 0
East Goshen Township Park
 200 1 0
Hopewell United Methodist CH
 200 0 0
Pigeon Creek Saloon & Eatery
 200 0 0
Ridge Restaurant
 200 0 0
Springton Manor Farm
 200 2 0
ST Francis Episcopal Church
 200 0 0
The Institutes
 200 2 0
Vineyard Community Church
 200 0 0
ST Matthews School
 190 0 0
The Whip
 180 0 0
Tommy Tinkers INC
 180 2 0
ST Michael Lutheran Church
 178 0 0
Chetty Bldrs & Growing Place
 170 3 0
W Fallowfield Christian School
 160 0 0
Coventry Cafe
 150 1 0
East Brandywine Twp Park
 150 1 1
Oxford Market
 150 2 0
Philadelphia W Chester KOA
 150 2 1
Seven TS Pizza
 150 1 0
ST Matthew Church
 150 0 0
Sunoco #7244 Kennett Square
 150 0 0
Upper Octorara Church/preschoo
 150 0 0
Brandywine Creek Campground
 140 3 0
Kaolin Holdings Mushroom Farm
 140 1 0
Sandy Hill Preschool
 140 0 0
Ducklings Daycare
 130 4 0
Hephzibah Baptist Church
 130 0 0
Ojrsd Warwick Admin Bldg
 126 1 0
Kimberton Golf Club
 125 3 0
Italian American Citizens Leag
 120 0 0
Tel Hai Camp
 120 2 2
Wyncote Golf Club
 120 0 0
Casa Herrera
 100 0 0
Casa Italia
 100 1 1
Christou Brothers INC
 100 0 0
Coatesville Moose Lodge
 100 0 0
Coppa 82
 100 0 0
CP Yeatman Home Office
 100 1 0
Farmer and CO
 100 0 0
Honey Brook Barbecue
 100 0 0
Hostetters Market
 100 1 0
Just Moms
 100 0 0
Kemblesville Professional Ctr
 100 4 0
Margheritas INC
 100 0 0
McCormick Orthodontics
 100 0 0
All 202 in the systems table
Inactive systems (530, no longer operating or reporting)

Kept for the record and excluded from the county totals above. Browse inactive systems.

About this data

Totals cover active systems. Systems serving more than one county are counted in each county. EPA counts the rules a system was in violation of, not the individual violations; one rule can carry several.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Pennsylvania records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.