TOTAL PERSONS	TOTAL HOUSING UNITS	PUBLIC SYSTEM	DRILLED WELL	DUG WELL	OTHER	PUBLIC SEWER	SEPTIC TANK	OTHER MEANS
MARYLAND	4,781,468	1,891,917	1,565,946	283,750	31,405	10,816	1,533,799	342,523	15,595
COUNTIES
ALLEGANY	74,946	32,513	26,469	4,813	345	886	27,004	5,187	322
ANNE ARUNDEL	427,239	157,194	116,263	36,367	4,210	354	117,542	38,739	913
BALTIMORE	692,134	281,553	257,091	22,272	1,573	617	248,979	31,759	815
BALTIMORE CITY	736,014	303,706	303,280	162	31	233	299,051	1,478	3,177
CALVERT	51,372	18,974	5,246	11,931	1,581	216	2,506	15,915	553
CAROLINE	27,035	10,745	3,942	5,955	788	60	3,567	6,877	301
CARROLL	123,372	43,553	18,269	23,198	1,506	580	16,989	25,969	595
CECIL	71,347	27,656	10,324	14,643	2,369	320	10,324	16,810	522
CHARLES	101,154	34,487	21,667	8,473	3,901	446	20,042	13,383	1,062
DORCHESTER	30,236	14,269	7,344	6,171	642	112	7,203	6,440	626
FREDERICK	150,208	54,872	30,540	22,151	1,335	838	30,726	23,407	739
GARRETT	28,138	14,119	3,340	8,196	398	2,185	4,752	8,829	538
HARFORD	182,132	66,446	42,868	21,132	1,930	516	41,146	24,750	550
HOWARD	187,328	72,583	62,113	9,738	584	148	60,624	11,729	230
KENT	17,842	8,181	3,523	3,821	745	92	3,768	4,101	312
MONTGOMERY	757,027	295,723	283,232	11,452	944	95	278,172	17,024	527
PRINCE GEORGES	729,268	270,090	264,916	3,467	1,520	187	259,759	9,378	953
QUEEN ANNES	33,953	13,944	2,135	10,789	937	83	4,274	9,363	307
ST. MARY'S	75,974	27,863	10,276	14,718	2,670	199	8,648	18,462	753
SOMERSET	23,440	9,393	3,949	4,868	409	167	3,665	5,489	239
TALBOT	30,549	14,697	6,782	7,357	522	36	6,952	7,568	177
WASHINGTON	121,393	47,448	34,375	9,973	840	2,260	29,265	17,537	646
WICOMICO	74,339	30,108	14,398	14,446	1,171	93	14,269	15,454	385
WORCESTER	35,028	41,800	33,604	7,649	454	93	34,572	6,875	353