PlainWater
Counties → Maryland

Washington County, Maryland

Water Systems
89
Population Served
127,174
Total Violations
1,539
483 health-based
PFAS Detected
2
of 3 tested

Violation Analysis

85.4%
Systems with Violations
17.3
Avg Violations per System
31.4%
Health-Based Violations

Water Source Types

GW
29 systems (33%)
SW
21 systems (24%)

PFAS Contamination

3
Systems Tested
2
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

Washington Maryland water systems by violation status, EPA SDWIS records.

No violations on record (9) One or more violations (41)

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
City of Hagerstown 92,200 14 Clean
Boonsboro - Keedysville 4,250 147 Detected
Town of Smithsburg Distribution System 2,500 90 -
Town of Williamsport Distribution System 2,400 20 -
Town of Hancock 1,921 40 Clean
Sideling Hill State Park Exhibit Rt 68 W 1,603 1 -
Lakeside Village 1,575 6 -
Town of Sharpsburg 1,360 28 -
Town of Funkstown Distribution System 1,300 3 -
Greenbrier State Park 1,150 0 -
Highfield 1,141 11 -
Ac and T Big Pool 1,018 0 -
Ac and T and Classic Fuels, LLC 1,015 2 -
Sheetz Inc #209 911 0 -
Highs of Baltimore 906 0 -
Hagerstown Speedway 732 4 -
Mount Aetna 688 8 -
Camp Louise 606 0 -
Yogi Bears Jellystone Park 541 5 -
Warehouse Cinemas Leitersburg 510 9 -
Washington Co Agric Center 503 18 -
Town of Clear Spring 455 20 -
Old Forge Elementary School 378 36 -
Greenbrier Elementary School 370 5 -
Ringgold Church of Christ 357 6 -
Paradise Mennonite School 355 66 -
Antietam Recreation Camp 335 9 -
Washington Monument St Pk Ranger Sta 306 0 -
Mason Dixon Dragway 305 2 -
Washington Monument State Park-Picnic 300 0 -
Fountain Rock Elementary 260 31 -
Hagerstown Snug Harbor KOA 258 1 -
Dollar General #21089 257 14 -
Fahrney-Keedy Senior Living Community 250 9 -
Heritage Academy 240 11 -
Sandy Hook 220 7 -
The Lodge 210 9 -
Saint James School 200 67 -
Brook Lane Health Services 175 25 -
Ernst Market 163 6 -
Sweeties 154 0 -
Big Cork Vineyards 140 0 -
South County Little League 125 15 -
Elk Ridge Lake 120 49 -
South Mountain Rod and Gun 115 5 -
Clear Springs Country Diner 112 5 -
Hagerstown Kia 90 19 -
Hagerstown Honda Auto Place 90 14 -
Deer Lodge Mobile Home Park 87 29 -
El Rancho Mobile Home Park 86 56 -

Other Counties in Maryland

Montgomery County
56 systems · 1,971,831 served · 1,796 violations
Baltimore city County
13 systems · 1,608,056 served · 122 violations
Anne Arundel County
425 systems · 567,204 served · 5,956 violations
Howard County
88 systems · 309,588 served · 985 violations
Harford County
238 systems · 217,578 served · 3,670 violations
Frederick County
220 systems · 215,362 served · 3,555 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Washington County? ▼
Washington County has 1,539 total drinking water violations across 89 water systems, of which 483 are health-based violations. 85.4% of systems have at least one violation.
How many people get water from Washington County systems? ▼
Water systems in Washington County serve approximately 127,174 people through 89 public water systems.
Has PFAS been detected in Washington County water? ▼
Of 3 water systems tested for PFAS in Washington County, 2 had PFAS detected (66.7% detection rate).
What types of water sources supply Washington County? ▼
Water systems in Washington County use GW (29 systems), SW (21 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. 31.4% of Washington 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.