Howard County, Maryland Water Systems

Howard County, Maryland

27 community water systems on record — 3 active, 24 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Maryland’s official records. Always confirm current status with Maryland before making decisions based on this information.

Community water systems in Howard County, Maryland

System name	City	Population served	Status
ALLVIEW ESTATES-WITTCO WATER C	ELLICOTT CITY	1,400	Inactive
ALLVIEW ESTATES-WITTCO WATER C	ELLICOTT CITY	1,400	Inactive
BARBERSVILLE	LAUREL	88	Inactive
BARBERSVILLE	LAUREL	88	Inactive
BUMPY OAK COUNSELING CENTER	LAPLATA	25	Inactive
CLUB 602	LAUREL	25	Inactive
ELKRIDGE - HOWARD CO DPT PUB W	ELLICOTT CITY	100	Inactive
ELLICOTT CITY	COLUMBIA	46,000	Inactive
FRANCISCAN FATHERS SEMINARY	ELLICOT CITY	50	Inactive
FRANSISCAR FATHERS SEMINARY	ELLICOT CITY	50	Inactive
HOWARD COUNTY D.P.W. DISTRIBUTION	COLUMBIA	286,158	Active
ILCHESTER-SIMKINS INDUSTRIES I	ILCHESTER	110	Inactive
JOHNS HOPKINS UNIV APPL PHYS L	SCRAGGSVILLE	2,500	Inactive
LINWOOD CHILDRENS CENTER	ELICOTT CITY	35	Inactive
LUTHERAN VILLAGE AT MILLER'S GRANT	ELLICOTT CITY	315	Active
MT AETNA-HIGHLAND VIEW ACADEMY	COLUMBIA	500	Inactive
PEACH BASKET SUBD DORCHESTER C	ELLICOTT CITY	80	Inactive
PHEASANT RIDGE ESTATES	LAVREL	400	Inactive
SAVAGE - LAUREL HOWARD CO DPW	COLUMBIA	100	Inactive
SAVAGE-LAUREL HOWARD CO D PUB	ELLICOTT CITY	100	Inactive
SIMPSONVILLE-W R GRACE AND CO	CLARKSVILLE	449	Inactive
SISTERS OF BONSECOURS	MARRIOTSVILLE	160	Inactive
TRANSCO PIPE COMPANY	ELLICOT CITY	30	Inactive
UNIV. OF MD FARM(SEE 1130024)	ELLICOTT CITY	30	Inactive
UOF MD EXPERIMENTAL FARM	ELLICOTT CITY	36	Inactive
US DEPT LABOR MANPOWER ADMN	WOODSTOCK	100	Inactive
VILLAS AT CATTAIL CREEK	REISTERTOWN	170	Active