Chloroethane

Status: No national drinking water standard exists

Chloroethane is a volatile solvent used in manufacturing, and as a refrigerant and aerosol propellant.

2017-2019:

FOUND

states detected

utilities detected

385,000

people served

Health concerns for chloroethane

Harm to the brain and nervous system

Harm to the immune system

States reporting chloroethane in drinking water

	UTILITIES WITH CONTAMINATION
State	Utilities	People Served
Maryland		10	166,457
New York		19	63,764
Alabama		1	38,700
Utah		2	33,090
Massachusetts		2	27,844
New Jersey		4	19,067
New Hampshire		2	15,650
Ohio		1	6,400
Pennsylvania		1	4,300
Wisconsin		1	3,216
Nebraska		1	2,900
Iowa		1	1,172
Texas		3	991
Arkansas		1	829
Connecticut		1	488

LESS

Filtering technologies that reduce chloroethane

Utilities with the highest amounts of chloroethane, 2017-2019

ALL UTILITIES

LARGE UTILITIES

Utility	Location	Tests	Average level	People served
Midvale City Water System	Midvale, UT	4 of 62	23.2 ppb	33,000
Town of Darlington	Millersville, MD	1 of 1	7.77 ppb	250
Campus Hills Water Works	Baltimore, MD	1 of 1	7.23 ppb	250
City of Texas City	Texas City, TX	1 of 1	7.20 ppb	48,558
Hunters Creek Mobile Home Park	Orchard Park, NY	49 of 77	3.41 ppb	150
City of Big Wells	Big Wells, TX	1 of 6	2.50 ppb	692
Lakeside Vista	Dunkirk, MD	1 of 1	2.33 ppb	219
Bluff Dale Water Supply Corporation	Bluff Dale, TX	4 of 6	2.28 ppb	250
Eastland Special Service District	Monticello, UT	1 of 1	2.00 ppb	90
Greenridge Subdivision	Dunkirk, MD	2 of 3	1.65 ppb	2,271
Benbrook Village Mobile Home Park	Glendale, TX	4 of 6	1.52 ppb	279
Lake Country Acres	Austin, TX	4 of 6	1.51 ppb	462
Bethel Ash Water Supply Corporation Bethel Plant	Athens, TX	1 of 14	1.43 ppb	195
Quimby Water Supply	Quimby, IA	1 of 1	1.20 ppb	319
Chapel Hill - Aberdeen Proving Grounds*	Aberdeen, MD	1 of 2	1.08 ppb	15,000
City of Havre De Grace*	Havre De Grace, MD	1 of 2	1.08 ppb	14,000
Sawkill Trailer Park	Hyde Park, NY	2 of 9	1.01 ppb	186
Deanville Water Supply Corporation	Deanville, TX	1 of 22	0.955 ppb	3,066
Marlboro State Hospital	Titusville, NJ	1 of 6	0.882 ppb	400
Waldorf	La Plata, MD	1 of 1	0.700 ppb	82,731
Hubbard, Village of	Hubbard, NE	1 of 8	0.671 ppb	234
Sheffield Water Supply	Sheffield, IA	1 of 1	0.600 ppb	1,172
Town of Indian Head	Indian Head, MD	1 of 1	0.600 ppb	4,100
Newark	Berlin, MD	1 of 1	0.520 ppb	250
Ausable Heights Water System	Keeseville, NY	1 of 1	0.500 ppb	46
Andrews Water Department	Andrews, IN	1 of 2	0.450 ppb	1,149
Grand Estates	Austin, TX	1 of 7	0.443 ppb	2,433
Altheimer	Altheimer, AR	1 of 2	0.440 ppb	829
Havenshire Water System	Spring, TX	1 of 5	0.440 ppb	63
Houghton Water District	Caneadea, NY	4 of 10	0.407 ppb	2,000
Mercer County Correctional Center	Trenton, NJ	1 of 6	0.402 ppb	860
River Bend Water System	Vidor, TX	1 of 11	0.400 ppb	63
Olsen Estates Water System	Mont Belvieu, TX	1 of 6	0.383 ppb	162
Todd Village Mobile Home Park	Finksburg, MD	1 of 2	0.370 ppb	180
Windfern Forest Utility District*	Houston, TX	1 of 10	0.340 ppb	7,170
Hunting Lodge Apartments	Willington, CT	1 of 2	0.315 ppb	115
Beauregard Water Authority	Opelika, AL	1 of 7	0.294 ppb	11,178
Greenbriar Estates	New Waverly, TX	1 of 7	0.286 ppb	105
Apple Grove Mobile Home Park	, NY	1 of 4	0.275 ppb	100
Harris County Water Control and Improvement District 116*	Houston, TX	1 of 8	0.263 ppb	3,705
Harris County Water Control and Improvement District 70	Houston, TX	1 of 11	0.255 ppb	1,947
City of Westminster	Westminster, MD	2 of 6	0.253 ppb	35,256
Persimmon Hills	Hollywood, MD	1 of 2	0.250 ppb	514
Bois D Arc Water	Hope, AR	1 of 5	0.244 ppb	53
Benedict	La Plata, MD	2 of 5	0.220 ppb	376
Evergreen Springs - System #3	Farmington Hills, CT	1 of 6	0.200 ppb	68
Demi John Place Water System	Cypress, TX	1 of 22	0.195 ppb	255
Shorehaven Civic Association	Poughkeepsie, NY	1 of 6	0.183 ppb	300
Swan Harbour Dell Mobile Home Park	Havre De Grace, MD	4 of 20	0.181 ppb	500
Chesapeake Estates Mobile Home Park	Rising Sun, MD	1 of 3	0.167 ppb	159

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Chloroethane, but it likely has the contaminant in its water supply.

Utility	Location	Tests	Average level	People served
Midvale City Water System	Midvale, UT	4 of 62	23.2 ppb	33,000
City of Texas City	Texas City, TX	1 of 1	7.20 ppb	48,558
City of Havre De Grace*	Havre De Grace, MD	1 of 2	1.08 ppb	14,000
Chapel Hill - Aberdeen Proving Grounds*	Aberdeen, MD	1 of 2	1.08 ppb	15,000
Waldorf	La Plata, MD	1 of 1	0.700 ppb	82,731
Beauregard Water Authority	Opelika, AL	1 of 7	0.294 ppb	11,178
City of Westminster	Westminster, MD	2 of 6	0.253 ppb	35,256
Laconia Water Works*	Laconia, NH	1 of 6	0.133 ppb	15,500
Ramsey Water Department	Ramsey, NJ	13 of 120	0.128 ppb	15,207
City of Waco*	Waco, TX	1 of 18	0.111 ppb	130,194
Maryland American Water Company*	Hopewell, MD	1 of 21	0.107 ppb	13,200
US Army Aviation and Missile Command	Redstone Arsenal, AL	2 of 13	0.0975 ppb	38,700
Walpole Water Department	Walpole, MA	2 of 49	0.0820 ppb	23,989
Hicksville WD	Hicksville, NY	19 of 1,391	0.0150 ppb	48,000
Wallingford Water Department	Wallingford, CT	1 of 35	0.0143 ppb	37,267
San Antonio Water System*	San Antonio, TX	1 of 231	0.0113 ppb	1,999,472
Hempstead	Hempstead, NY	1 of 497	0.00141 ppb	56,000