PlainWater
Counties → Pennsylvania

York County, Pennsylvania

Water Systems
208
Population Served
389,602
Total Violations
25,528
1,554 health-based
PFAS Detected
8
of 12 tested

Violation Analysis

96.2%
Systems with Violations
122.7
Avg Violations per System
6.1%
Health-Based Violations

Water Source Types

GW
38 systems (18%)
SW
12 systems (6%)

PFAS Contamination

12
Systems Tested
8
PFAS Detected
66.7%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

York Pennsylvania water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (49)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
York Water Co 206,762 30 Clean
Hanover Muni Water Works 40,900 251 Detected
Dover Twp Water Sys 21,097 1,446 Detected
Red Lion Municipal Authority 15,882 325 Clean
Dallastown Yoe Water Auth 12,300 116 Clean
West Manchester Twp Auth 9,960 1,200 Detected
Dillsburg Area Authority 8,506 194 Detected
Veolia Newberry System 6,480 3 Detected
Stewartstown Boro Water Auth 5,206 575 Detected
Shrewsbury Borough 4,727 754 Detected
New Freedom Boro Water Auth 4,464 143 Detected
Wrightsville Boro Muni Auth 4,076 194 Clean
Ski Roundtop Inc 2,500 75 -
Southern York Co Sch Dist 2,312 56 -
Glen Rock Water Auth 2,000 266 -
Dover Boro Water Sys 1,900 596 -
Peach Bottom Power Sta 1,500 118 -
Delta Boro Water Sys 1,400 150 -
Windsor Boro Water Auth 1,332 45 -
George Spangler Farmstead 1,000 20 -
Rutters Store 59 1,000 34 -
Gifford Pinchot St Park 1,000 333 -
Rutters Farm Store #24 1,000 16 -
Royal Farms Store #147 900 0 -
Kennard Dale High School 800 243 -
Wolfes Diner 800 132 -
Franklintown Boro Muni Auth 705 205 -
Royal Farms Store 214 700 82 -
Camp Tuckahoe 650 26 -
Friendship Elem Sch 625 92 -
Immaculate Heart of Mary 600 11 -
Gamlers Boatyard Campground 600 29 -
Rutters Farm Store 44 500 31 -
Porters Comm Fire Co 500 35 -
Goldsboro Boro Water Co 475 319 -
Pleasant View Church 450 37 -
Clearview Elementary School 431 114 -
South Eastern Middle Sch 420 418 -
Southeastern Intermediate Sch 420 395 -
Walmar Manor MHP 400 392 -
Celebration Community Church 400 55 -
C S Convenience Store 400 71 -
Wendys Restaurant 400 39 -
Monaghan Fire Co 400 8 -
Haars Auction Restaurant 400 58 -
York Haven Newberry Elem Sch 350 19 -
Cliff View MHP 330 740 -
Penn Grove Retreat 326 287 -
N Hopewell Winterstown Elem 322 286 -
Fawn Area Elem Sch 320 465 -

Other Counties in Pennsylvania

Allegheny County
69 systems · 2,014,752 served · 5,241 violations
Philadelphia County
6 systems · 1,601,175 served · 447 violations
Montgomery County
172 systems · 1,274,688 served · 36,032 violations
Bucks County
299 systems · 599,107 served · 59,577 violations
Lancaster County
434 systems · 406,457 served · 39,193 violations
Berks County
493 systems · 382,268 served · 54,767 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in York County? ▼
York County has 25,528 total drinking water violations across 208 water systems, of which 1,554 are health-based violations. 96.2% of systems have at least one violation.
How many people get water from York County systems? ▼
Water systems in York County serve approximately 389,602 people through 208 public water systems.
Has PFAS been detected in York County water? ▼
Of 12 water systems tested for PFAS in York County, 8 had PFAS detected (66.7% detection rate).
What types of water sources supply York County? ▼
Water systems in York County use GW (38 systems), SW (12 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 6.1% of York County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - 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 Editorial

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.