Aldicarb sulfoxide
Status: No national drinking water standard exists
Aldicarb sulfoxide is a groundwater contaminant related to the neurotoxic insecticide aldicarb.
2017-2019:
FOUND
7
states detected
38
utilities detected
906,000
people served
Health concerns for aldicarb sulfoxide
Harm to the brain and nervous system
States reporting aldicarb sulfoxide in drinking water
| UTILITIES WITH CONTAMINATION | |||
|---|---|---|---|
| State | Utilities | People Served | |
| Wisconsin | 10 | 850,438 | |
| New York | 3 | 29,540 | |
| Alabama | 3 | 13,425 | |
| Virginia | 1 | 9,364 | |
| Connecticut | 16 | 2,330 | |
| New Hampshire | 4 | 361 | |
| Nebraska | 1 | 200 | |
MORE
LESS
Filtering technologies that reduce aldicarb sulfoxide
Activated Carbon
Reverse Osmosis
Utilities with the highest amounts of aldicarb sulfoxide, 2017-2019
ALL UTILITIES
LARGE UTILITIES
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| Colonial Efficiency Apartments | Farmington, CT | 2 of 2 | 5.60 ppb | 66 |
| Papermill Village | Bedford, NH | 1 of 1 | 4.40 ppb | 24 |
| Sunny Waters Mobile Home Park | Gales Ferry, CT | 1 of 1 | 2.70 ppb | 303 |
| Quinebaug Mobile Home Park | Quinebaug, CT | 1 of 1 | 1.80 ppb | 205 |
| Zimmerman | Zimmerman, MN | 1 of 11 | 1.36 ppb | 5,334 |
| Twin Maples Nursing Home | Durham, CT | 1 of 2 | 1.25 ppb | 100 |
| Annie Oakley Mobile Home Park | Windham, NH | 1 of 2 | 0.750 ppb | 127 |
| Lake Hills Village Condominiums | Southbury, CT | 1 of 2 | 0.750 ppb | 102 |
| Thompson Hill Water Company - Paula Lane Div | Thompson, CT | 1 of 1 | 0.560 ppb | 85 |
| Scituate Commons | North Scituate, RI | 1 of 2 | 0.550 ppb | 38 |
| Campbell Heights Apartments - System #2 | Norwich, CT | 2 of 3 | 0.540 ppb | 152 |
| Osakis | Osakis, MN | 1 of 1 | 0.530 ppb | 1,740 |
| Douglas County Sanitary and Improvement District 277 - The Farm | Elkhorn, NE | 1 of 3 | 0.503 ppb | 200 |
| Hcsa- Leigh Street Plant | South Boston, VA | 1 of 1 | 0.500 ppb | 9,364 |
| Northstone Gardens | Stamford, CT | 1 of 8 | 0.425 ppb | 79 |
| Northbrook Mobile Home Park | Laconia, NH | 1 of 11 | 0.400 ppb | 85 |
| Mountview Apartments | Monsey, CT | 1 of 2 | 0.365 ppb | 105 |
| Bethany Mobile Home Park | Stamford, CT | 1 of 2 | 0.305 ppb | 138 |
| Bridgewater Commons Condominiums | Bridgewater, CT | 1 of 2 | 0.305 ppb | 51 |
| Cedar Terrace Prop Owners Association | Danbury, CT | 1 of 2 | 0.305 ppb | 66 |
| Connecticut Water Company - Pompey Hollow Division | Clinton, CT | 1 of 2 | 0.275 ppb | 32 |
| Riverhead WD* | Riverhead, NY | 1 of 1 | 0.270 ppb | 35,000 |
| Riverside Water District | Hauppauge, NY | 1 of 1 | 0.270 ppb | 2,050 |
| Evergreen Springs - System #4 | Farmington Hills, CT | 1 of 2 | 0.260 ppb | 110 |
| Middlebury Commons | Middlebury, CT | 1 of 2 | 0.255 ppb | 76 |
| Colchester Commons | Colchester, CT | 2 of 13 | 0.241 ppb | 224 |
| Freedom Village Elderly Housing | Uncasville, CT | 2 of 5 | 0.236 ppb | 43 |
| Sheltering Pines Mobile Home Park | Epsom, NH | 1 of 8 | 0.188 ppb | 125 |
| Hamilton Creek Md | Dillon, CO | 1 of 2 | 0.180 ppb | 200 |
| Ctwc - South Coventry System | Clinton, CT | 1 of 4 | 0.168 ppb | 501 |
| Ellicottville Town Water District* | Ellicottville, NY | 1 of 5 | 0.106 ppb | 1,220 |
| Great Valley Town Water District #2 (sno-pine) | Great Valley, NY | 1 of 5 | 0.106 ppb | 320 |
| Dannebrog, Village of | Dannebrog, NE | 1 of 9 | 0.0704 ppb | 304 |
| City of Pleasanton | Pleasanton, TX | 1 of 20 | 0.0250 ppb | 13,776 |
| Glen Cove City | Glen Cove, NY | 2 of 75 | 0.0172 ppb | 28,000 |
| New Berlin Water Utility | New Berlin, WI | 1 of 18 | 0.0167 ppb | 27,899 |
| Butler Waterworks | Butler, WI | 1 of 18 | 0.0167 ppb | 1,881 |
| Menomonee Falls WW - Surface Water | Menomonee Falls, WI | 1 of 18 | 0.0167 ppb | 23,867 |
| Milwaukee County Grounds | West Allis, WI | 1 of 18 | 0.0167 ppb | 9,936 |
| Shorewood Waterworks | Shorewood, WI | 1 of 18 | 0.0167 ppb | 13,189 |
| Wauwatosa Waterworks | Wauwatosa, WI | 1 of 18 | 0.0167 ppb | 49,064 |
| West Allis Waterworks | West Allis, WI | 1 of 18 | 0.0167 ppb | 63,240 |
| Greendale Waterworks | Greendale, WI | 1 of 18 | 0.0167 ppb | 14,046 |
| Brown Deer Waterworks | Brown Deer, WI | 1 of 18 | 0.0167 ppb | 12,741 |
| Milwaukee Waterworks* | Milwaukee, WI | 1 of 18 | 0.0167 ppb | 647,290 |
| Macon County Water Authority* | Tuskegee, AL | 1 of 13 | 0.0162 ppb | 7,566 |
* 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 Aldicarb sulfoxide, but it likely has the contaminant in its water supply.
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| Riverhead WD* | Riverhead, NY | 1 of 1 | 0.270 ppb | 35,000 |
| City of Pleasanton | Pleasanton, TX | 1 of 20 | 0.0250 ppb | 13,776 |
| Glen Cove City | Glen Cove, NY | 2 of 75 | 0.0172 ppb | 28,000 |
| Milwaukee Waterworks* | Milwaukee, WI | 1 of 18 | 0.0167 ppb | 647,290 |
| Brown Deer Waterworks | Brown Deer, WI | 1 of 18 | 0.0167 ppb | 12,741 |
| Greendale Waterworks | Greendale, WI | 1 of 18 | 0.0167 ppb | 14,046 |
| West Allis Waterworks | West Allis, WI | 1 of 18 | 0.0167 ppb | 63,240 |
| Wauwatosa Waterworks | Wauwatosa, WI | 1 of 18 | 0.0167 ppb | 49,064 |
| Shorewood Waterworks | Shorewood, WI | 1 of 18 | 0.0167 ppb | 13,189 |
| Menomonee Falls WW - Surface Water | Menomonee Falls, WI | 1 of 18 | 0.0167 ppb | 23,867 |
| New Berlin Water Utility | New Berlin, WI | 1 of 18 | 0.0167 ppb | 27,899 |
* 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 Aldicarb sulfoxide, but it likely has the contaminant in its water supply.