Maryland tap water quality
PFAS results for 83 Maryland water systems from EPA's latest nationwide testing. Enter your address for your own utility's record and a filter recommendation.
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83systems tested
36%had PFAS detected
16over EPA's 4 ppt limit
Highest PFAS levels in Maryland
| Water system | Max PFOA (ppt) | Max PFOS (ppt) |
|---|---|---|
| Town of Thurmont | 15 | 48 |
| Town of Elkton | 23.3 | 7.1 |
| City of Salisbury | 5.9 | 20 |
| New Life Christian School | 10.1 | 15.3 |
| Town of Mount Airy | 12.7 | 6 |
| City of Westminster MD | 12.4 | 6.9 |
| City of Taneytown | 4.6 | 10.7 |
| Glenelg Country School | 10 | — |
| Maryland American Water Company | 9.3 | 9.1 |
| Town of Hampstead | 9.1 | 5.7 |
All Maryland water systems
- Broad Creek
- Chapel Hill - Aberdeen Proving Grounds
- City of Aberdeen ⚠
- City of Annapolis
- City of Baltimore
- City of Bowie MD
- City of Cambridge
- City of Cumberland
- City of Frederick
- City of Frostburg
- City of Hagerstown
- City of Havre De Grace
- City of Rockville
- City of Salisbury ⚠
- City of Westminster MD ⚠
- Crofton-Odenton
- Easton Utilities
- Fort George G. Meade
- Freedom District
- Glen Burnie-Broadneck
- Harford County D.P.W.
- Howard County D.P.W. Distribution
- Lexington Park
- Maryland American Water Company ⚠
- Mgm National Harbor
- New Design - Frederick County
- Ocean Pines
- Patuxent Naval Air Station (Navfac-Wash)
- Town of Elkton ⚠
- Town of Ocean City
- Waldorf - Charles County Dpw
- Washington Suburban Sanitary Commission
- Boonsboro - Keedysville ⚠
- Bryans Road
- Charlotte Hall Va Home
- Chesapeake Complex
- Chesapeake Ranch Estates
- City of Brunswick
- City of Fruitland ⚠
- City of Pocomoke City
- City of Taneytown ⚠
- Eastern Correctional Institute
- Eastern Region Allegany Distrib. System
- Elkton West
- Fort Detrick
- Glenelg Country School ⚠
- Lavale Sanitary Commission
- Manor Shopping Center
- Midland-Lonaconing
- Mystic Harbour
- Naval Support Facility Indian Head
- New Life Christian School ⚠
- Oakville Elementary School
- Penn-Mar Organization INC.
- Piney Point
- Prince Frederick
- Severn Water Company
- Solomons
- Stevensville
- The Provinces
- Town of Berlin
- Town of Centreville
- Town of Chesapeake Beach
- Town of Chestertown
- Town of Delmar
- Town of Denton
- Town of Hampstead ⚠
- Town of Hancock
- Town of Indian Head
- Town of La Plata
- Town of Manchester ⚠
- Town of Middletown ⚠
- Town of Millington
- Town of Mount Airy ⚠
- Town of North East
- Town of Perryville
- Town of Poolesville ⚠
- Town of Princess Anne
- Town of Thurmont ⚠
- Town of Walkersville
- U.S. Naval Academy
- Western Region Allegany Distrib. System
- White Plains 2 Mhp/Jack Blair
Questions
Does Maryland tap water have PFAS?
In EPA's UCMR 5 testing, 30 of 83 Maryland water systems (36%) had at least one PFAS compound detected, and 16 had PFOA or PFOS above EPA's 4 ppt limit.
What is the best water filter in Maryland?
It depends on your utility. Where PFAS is above EPA's limit, reverse osmosis is the most effective option. Where the main concern is lead from home plumbing or chlorine taste, a certified carbon filter is enough. Enter your address to get a match.