EPHT_REF_COEPHT Private Well Water Data_2022_EN.xlsx

	A	B	C	D	E	F	G	H	I	J	K	L
1	County	FIPS	analyte	Samples	N>=MCL	%>=MCL	Med	Max	P95	Per_wells_smpld	unit	MCL
2	Adams	08001	Arsenic	178	0	0	0.5	6.7	2.345		ug/L	10
3	Alamosa	08003	Arsenic	<5							ug/L	10
4	Arapahoe	08005	Arsenic	267	2	0.007490636704	0.5	45	3.4		ug/L	10
5	Archuleta	08007	Arsenic	<5							ug/L	10
6	Baca	08009	Arsenic	8	0	0	0.5	1.1	1.065		ug/L	10
7	Bent	08011	Arsenic	<5							ug/L	10
8	Boulder	08013	Arsenic	461	20	0.04338394794	0.5	410	8.3		ug/L	10
9	Broomfield	08014	Arsenic	22	0	0	0.3	4.229	4.06		ug/L	10
10	Chaffee	08015	Arsenic	73	4	0.05479452055	0.5	25	9.3		ug/L	10
11	Cheyenne	08017	Arsenic	<5							ug/L	10
12	Clear Creek	08019	Arsenic	61	0	0	0.5	8.4	1		ug/L	10
13	Conejos	08021	Arsenic	<5							ug/L	10
14	Costilla	08023	Arsenic	<5							ug/L	10
15	Crowley	08025	Arsenic	<5							ug/L	10
16	Custer	08027	Arsenic	36	3	0.08333333333	0.5	21	10.5		ug/L	10
17	Delta	08029	Arsenic	203	4	0.0197044335	2.5	16	6		ug/L	10
18	Denver	08031	Arsenic	132	2	0.01515151515	0.5	36	3.245		ug/L	10
19	Dolores	08033	Arsenic	<5							ug/L	10
20	Douglas	08035	Arsenic	501	8	0.01596806387	0.5	26	6		ug/L	10
21	Eagle	08037	Arsenic	18	0	0	0.5	7	3.515		ug/L	10
22	El Paso	08041	Arsenic	197	2	0.01015228426	0.5	34	2.5		ug/L	10
23	Elbert	08039	Arsenic	193	6	0.0310880829	1.8	30	7.48		ug/L	10
24	Fremont	08043	Arsenic	84	4	0.04761904762	0.5	50	6.995		ug/L	10
25	Garfield	08045	Arsenic	77	4	0.05194805195	0.5	34	9.6		ug/L	10
26	Gilpin	08047	Arsenic	46	0	0	0.5	1.6	0.5		ug/L	10
27	Grand	08049	Arsenic	83	5	0.06024096386	0.5	91	10.73		ug/L	10
28	Gunnison	08051	Arsenic	313	12	0.03833865815	2.5	150	7		ug/L	10
29	Hinsdale	08053	Arsenic	20	1	0.05	2.5	37	4.225		ug/L	10
30	Huerfano	08055	Arsenic	20	2	0.1	0.5	14	11.15		ug/L	10
31	Jackson	08057	Arsenic	28	0	0	1	1	1		ug/L	10
32	Jefferson	08059	Arsenic	725	2	0.00275862069	0.5	630	1.3		ug/L	10
33	Kiowa	08061	Arsenic	<5							ug/L	10
34	Kit Carson	08063	Arsenic	36	0	0	4	5	5		ug/L	10
35	La Plata	08067	Arsenic	39	0	0	0.09	3	0.65		ug/L	10
36	Lake	08065	Arsenic	10	0	0	0.5	4.7	3.71		ug/L	10
37	Larimer	08069	Arsenic	92	0	0	0.5	6.3	4.525		ug/L	10
38	Las Animas	08071	Arsenic	115	0	0	1.1	5	3.43		ug/L	10
39	Lincoln	08073	Arsenic	5	0	0	0.5	3.2	2.66		ug/L	10
40	Logan	08075	Arsenic	8	1	0.125	1.6	11	9.39		ug/L	10
41	Mesa	08077	Arsenic	17	1	0.05882352941	2.3	95	23.48		ug/L	10
42	Mineral	08079	Arsenic	<5							ug/L	10
43	Moffat	08081	Arsenic	15	1	0.06666666667	1	15	8.7		ug/L	10
44	Montezuma	08083	Arsenic	5	0	0	0.17	1.6	1.38		ug/L	10
45	Montrose	08085	Arsenic	182	44	0.2417582418	2.5	1420	76.15		ug/L	10
46	Morgan	08087	Arsenic	11	1	0.09090909091	1	14	8.7		ug/L	10
47	Otero	08089	Arsenic	<5							ug/L	10
48	Ouray	08091	Arsenic	59	10	0.1694915254	2.5	299	49.59		ug/L	10
49	Park	08093	Arsenic	119	1	0.008403361345	0.5	13	1.21		ug/L	10
50	Phillips	08095	Arsenic	<5							ug/L	10
51	Pitkin	08097	Arsenic	8	1	0.125	0.5	10	7.41		ug/L	10
52	Prowers	08099	Arsenic	<5							ug/L	10
53	Pueblo	08101	Arsenic	81	10	0.1234567901	0.5	110	44		ug/L	10
54	Rio Blanco	08103	Arsenic	14	0	0	1	3.3	2.845		ug/L	10
55	Rio Grande	08105	Arsenic	<5							ug/L	10
56	Routt	08107	Arsenic	21	0	0	1	4.3	4.2		ug/L	10
57	Saguache	08109	Arsenic	<5							ug/L	10
58	San Juan	08111	Arsenic	9	0	0	0.5	1.21	0.926		ug/L	10
59	San Miguel	08113	Arsenic	140	7	0.05	2.5	36	8.25		ug/L	10
60	Sedgwick	08115	Arsenic	<5							ug/L	10
61	Summit	08117	Arsenic	19	1	0.05263157895	0.5	16	8.44		ug/L	10
62	Teller	08119	Arsenic	56	1	0.01785714286	0.5	15	2.825		ug/L	10
63	Washington	08121	Arsenic	6	0	0	2.1	6.5	6.025		ug/L	10
64	Weld	08123	Arsenic	156	3	0.01923076923	1	28	5		ug/L	10
65	Yuma	08125	Arsenic	<5							ug/L	10
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