Wastewater Disposal Information by Indiana County

Purdue Residential Onsite Wastewater Disposal: Septic system information to protect your family and the environment

Wastewater Disposal Data by Indiana County

Onsite wastewater disposal (septic systems) in Indiana

Note: Percent and number of households with onsite wastewater disposal (septic systems) are from the 1990 Census, which continues to be the most recent information available. The 2000 Census did not ask people about wastewater. Calculations of density are by Jane Frankenberger and Joe Yahner.

The soil information (last column) is based on National Resources Conservation Service (NRCS) Soil Survey information, calculated by Bill Hostetter, Soil Scientist in the Indiana NRCS State Office. "Severe limitations" are based on NRCS criteria, which are more restrictive than those required by the Indiana State Department of Health.

County	Percent of Households with Onsite Wastewater Disposal (Septics)	Number of Households with Onsite Wastewater Disposal (Septics)	County Area (acres)	Density of Septic Systems (acres per septic system)	Percent of Area with Soils Having "Severe Limitations" for Septic Systems
Adams	39%	4,217	217,394	51.6	100
Allen	12%	14,721	422,323	28.7	97
Bartholomew	34%	8,655	262,872	30.4	94
Benton	39%	1,504	261,268	173.7
Blackford	29%	1,715	105,519	61.5	99
Boone	43%	6,206	270,832	43.6	97
Brown	90%	6,317	201,535	31.9	100
Carroll	49%	5,585	239,732	42.9	83
Cass	43%	6,657	265,279	39.8	81
Clark	24%	8,565	240,349	28.1	81
Clay	51%	5,406	230,908	42.7	93
Clinton	34%	4,129	258,182	62.5	97
Crawford	73%	3,202	197,524	61.7	93
Daviess	39%	4,256	278,546	65.4	95
Dearborn	53%	7,675	237,819	31	99
Decatur	47%	4,316	232,636	53.9	98
DeKalb	38%	5,207	195,920	37.6	96
Delaware	22%	10,676	252,505	23.7
Dubois	41%	5,672	277,558	48.9	96
Elkhart	45%	27,249	298,477	11	88
Fayette	32%	3,371	137,730	40.9	61
Floyd	31%	7,915	94,288	11.9	81
Fountain	46%	3,345	252,567	75.5	82
Franklin	68%	4,912	251,333	51.2	98
Fulton	55%	4,775	237,017	49.6	83
Gibson	44%	5,907	319,396	54.1	84
Grant	28%	8,272	265,094	32	100
Greene	52%	6,879	350,373	50.9	94
Hamilton	29%	11,716	257,072	21.9	93
Hancock	55%	9,096	198,573	21.8	97
Harrison	80%	9,214	310,633	33.7	67
Hendricks	55%	14,817	262,749	17.7	96
Henry	43%	8,524	255,282	29.9	95
Howard	27%	9,051	187,466	20.7	95
Huntington	34%	4,689	247,939	52.9	98
Jackson	35%	5,259	328,220	62.4	96
Jasper	59%	5,330	358,395	67.2	97
Jay	41%	3,648	245,039	67.2	96
Jefferson	40%	4,727	231,648	49	92
Jennings	61%	5,594	240,658	43	94
Johnson	30%	9,861	204,436	20.7	94
Knox	36%	6,000	335,316	55.9	62
Kosciusko	66%	20,161	354,075	17.6	82
Lagrange	79%	9,685	247,692	25.6	70
Lake	10%	18,274	396,962	21.7	96
Laporte	43%	18,002	389,865	21.7	74
Lawrence	51%	8,945	290,394	32.5
Madison	30%	15,914	289,345	18.2	99
Marion	10%	34,475	262,502	7.4	97
Marshall	54%	9,064	288,234	31.8	69
Martin	50%	2,052	217,703	106.1	89
Miami	42%	6,161	241,460	39.2	93
Monroe	30%	12,566	262,070	20.9	73
Montgomery	44%	6,092	324,456	53.3	85
Morgan	56%	11,391	261,700	23	89
Newton	72%	3,784	259,849	68.7	98
Noble	50%	7,800	265,958	34.1	87
Ohio	51%	1,093	56,647	51.8	99
Orange	49%	3,811	261,761	68.7	71
Owen	79%	6,327	246,335	38.9	99
Parke	72%	5,190	291,319	56.1	84
Perry	38%	2,807	247,507	88.2	98
Pike	70%	3,822	216,530	56.7	92
Porter	31%	14,444	334,267	23.1	83
Posey	53%	5,523	267,624	48.5	71
Pulaski	75%	4,149	276,016	66.5	98
Putnam	56%	6,137	313,040	51	89
Randolph	45%	5,057	289,221	57.2	97
Ripley	55%	5,297	287,061	54.2	95
Rush	55%	3,839	262,317	68.3	92
Saint Joseph	29%	28,391	294,775	10.4	60
Scott	48%	3,917	124,155	31.7	100
Shelby	51%	7,935	264,723	33.4	96
Spencer	59%	4,511	256,948	57	91
Starke	73%	7,240	197,339	27.3	100
Steuben	65%	10,202	206,102	20.2	84
Sullivan	44%	3,694	287,370	77.8	92
Switzerland	71%	2,638	142,173	53.9	99
Tippecanoe	21%	9,975	323,098	32.4	89
Tipton	54%	3,494	165,807	47.5	100
Union	56%	1,575	105,704	67.1	61
Vanderburgh	12%	8,992	150,936	16.8	94
Vermillion	64%	4,697	167,720	35.7	87
Vigo	29%	12,953	261,329	20.2	94
Wabash	40%	5,419	268,858	49.6	94
Warren	72%	2,366	232,574	98.3	95
Warrick	32%	5,417	249,667	46.1	97
Washington	63%	6,025	329,392	54.7	69
Wayne	28%	8,233	262,625	31.9	87
Wells	47%	4,688	236,955	50.5	100
White	61%	7,294	325,999	44.7	91
Whitley	62%	6,682	216,036	32.3	99
Total	31%	703,032	Average	44.5	90