TOTAL PERSONS	TOTAL HOUSING UNITS	PUBLIC SYSTEM	DRILLED WELL	DUG WELL	OTHER	PUBLIC SEWER	SEPTIC TANK	OTHER MEANS
CALIFORNIA	29,760,021	11,182,882	10,668,942	432,689	31,932	49,319	10,022,843	1,092,174	67,865
COUNTIES
ALAMEDA	1,279,182	504,109	501,778	1,837	254	240	498,274	4,264	1,571
ALPINE	1,113	1,319	1,018	164	10	127	773	451	95
AMADOR	30,039	12,814	8,196	4,078	282	258	5,042	7,642	130
BUTTE	182,120	76,115	60,985	13,711	856	563	34,437	41,142	536
CALAVERAS	31,998	19,153	13,709	4,789	156	499	5,757	12,978	418
COLUSA	16,275	6,295	4,505	1,586	204	0	3,968	2,213	114
CONTRA COSTA	803,732	316,170	310,086	5,267	402	415	305,780	9,422	968
DEL NORTE	23,460	9,091	5,820	2,435	379	457	4,401	4,582	108
EL DORADO	125,995	61,451	51,898	8,399	454	700	35,089	25,859	503
FRESNO	667,490	235,563	201,216	31,485	1,873	989	195,227	38,361	1,975
GLENN	24,798	9,329	5,410	3,682	154	83	4,950	4,310	69
HUMBOLDT	119,118	51,134	41,271	4,315	954	4,594	34,472	15,365	1,297
IMPERIAL	109,303	36,559	32,455	1,098	253	2,753	29,282	6,431	846
INYO	18,281	8,712	6,220	2,022	111	359	6,642	1,951	119
KERN	543,477	198,636	185,438	11,790	556	852	150,316	46,939	1,381
KINGS	101,469	30,843	25,901	4,606	235	101	25,575	5,074	194
LAKE	50,631	28,822	22,142	4,828	545	1,307	16,209	12,452	161
LASSEN	27,598	10,358	5,796	4,214	211	137	5,150	4,943	265
LOS ANGELES	8,863,164	3,163,343	3,150,256	9,212	753	3,122	3,059,150	77,839	26,354
MADERA	88,090	30,831	19,774	10,305	519	233	15,125	15,342	364
MARIN	230,096	99,757	97,913	1,028	200	616	92,001	7,476	280
MARIPOSA	14,302	7,700	2,350	4,638	292	420	1,889	5,617	194
MENDOCINO	80,345	33,649	20,103	7,496	2,845	3,205	15,407	16,949	1,293
MERCED	178,403	58,410	45,062	12,442	819	87	43,722	13,975	713
MODOC	9,678	4,672	2,167	2,266	119	120	1,844	2,773	55
MONO	9,956	10,664	8,850	1,282	39	493	8,650	1,882	132
MONTEREY	355,660	121,224	109,797	10,011	452	964	100,933	19,230	1,061
NAPA	110,765	44,199	37,285	5,788	383	743	35,484	8,566	149
NEVADA	78,510	37,352	25,861	9,891	566	1,034	17,449	19,588	315
ORANGE	2,410,556	875,072	873,706	859	103	404	865,083	6,708	3,281
PLACER	172,796	77,879	64,235	11,197	887	1,560	56,162	21,395	322
PLUMAS	19,739	11,942	7,992	3,115	190	645	4,324	7,416	202
RIVERSIDE	1,170,413	483,847	465,072	16,246	1,593	936	385,268	96,738	1,841
SACRAMENTO	1,041,219	417,574	404,060	12,404	764	346	399,560	16,637	1,377
SAN BENITO	36,697	12,230	9,474	2,396	227	133	7,967	4,193	70
SAN BERNARDINO	1,418,380	542,332	524,833	13,404	1,162	2,933	414,464	124,684	3,184
SAN DIEGO	2,498,016	946,240	933,684	10,864	925	767	881,492	61,603	3,145
SAN FRANCISCO	723,959	328,471	328,247	172	10	42	326,623	624	1,224
SAN JOAQUIN	480,628	166,274	142,992	21,417	1,511	354	139,355	25,897	1,022
SAN LUIS OBISPO	217,162	90,200	78,497	10,866	279	558	64,995	24,677	528
SAN MATEO	649,623	251,782	249,577	1,483	63	659	244,730	6,080	972
SANTA BARBARA	369,608	138,149	134,158	3,251	133	607	127,680	9,814	655
SANTA CLARA	1,497,577	540,240	531,924	6,928	437	951	520,021	18,132	2,087
SANTA CRUZ	229,734	91,878	81,614	8,088	567	1,609	65,937	25,563	378
SHASTA	147,036	60,552	46,532	11,909	584	1,527	33,520	26,596	436
SIERRA	3,318	2,166	1,592	167	36	371	754	1,396	16
SISKIYOU	43,531	20,141	11,984	6,624	439	1,094	11,028	8,712	401
SOLANO	340,421	119,533	114,833	4,228	301	171	113,608	5,618	307
SONOMA	388,222	161,062	125,312	31,181	2,084	2,485	119,333	40,980	749
STANISLAUS	370,522	132,027	114,036	16,895	929	167	105,727	25,714	586
SUTTER	64,415	24,163	15,746	7,974	406	37	13,389	10,671	103
TEHAMA	49,625	20,403	10,032	9,486	388	497	8,406	11,813	184
TRINITY	13,063	7,540	3,321	1,375	288	2,556	1,617	5,364	559
TULARE	311,921	105,013	83,253	19,232	1,511	1,017	72,992	31,338	683
TUOLUMNE	48,456	25,175	19,141	4,864	404	766	10,034	14,709	432
VENTURA	669,016	228,478	225,570	2,260	264	384	212,620	14,809	1,049
YOLO	141,092	53,000	48,564	4,178	215	43	48,174	4,564	262
YUBA	58,228	21,245	15,699	4,961	356	229	14,982	6,113	150