Well water by county

Type your ZIP code or county to see what's turned up in wells near you, how deep wells run, and which test to get.

ZIP code or county

Counties with full reports

State	People on private wells	Share of residents	County reports
Alabama	1,014,192	20%	5
Alaska	210,119	29%	2
Arizona	651,407	9%	6
Arkansas	120,566	4%	5
California	2,185,197	6%	25
Colorado	512,408	9%	5
Connecticut	493,446	14%	4
Delaware	235,494	24%	3
District of Columbia	n/a	n/a	1
Florida	2,017,129	9%	17
Georgia	1,865,097	17%	5
Hawaii	64,524	4%	2
Idaho	423,340	23%	7
Illinois	1,227,217	10%	5
Indiana	1,478,445	22%	5
Iowa	687,258	22%	10
Kansas	496,301	17%	5
Kentucky	297,050	7%	0
Louisiana	873,335	19%	5
Maine	629,803	46%	5
Maryland	1,199,138	19%	13
Massachusetts	634,902	9%	5
Michigan	3,023,266	30%	4
Minnesota	1,279,329	22%	9
Mississippi	506,521	17%	5
Missouri	1,232,025	20%	5
Montana	392,545	36%	5
Nebraska	282,056	14%	5
Nevada	142,221	5%	5
New Hampshire	583,905	42%	2
New Jersey	754,517	8%	12
New Mexico	250,560	12%	5
New York	1,784,069	9%	14
North Carolina	1,735,217	17%	5
North Dakota	152,624	20%	5
Ohio	2,333,801	20%	6
Oklahoma	811,252	20%	5
Oregon	815,853	19%	8
Pennsylvania	2,400,841	18%	13
Rhode Island	378,003	34%	0
South Carolina	1,038,612	20%	5
South Dakota	220,188	25%	4
Tennessee	859,808	12%	2
Texas	2,241,607	8%	5
Utah	82,280	3%	5
Vermont	326,358	51%	1
Virginia	1,768,164	20%	5
Washington	715,273	9%	5
West Virginia	426,562	24%	5
Wisconsin	1,801,817	31%	5
Wyoming	161,065	28%	5