Know Your Environment. Protect Your Health.

CONTAMINANT

DCPA mono- and di-acid degradates

STATES DETECTED

4

serves

350,000

utilities detected

18

Overview

DCPA degradates are residues of the herbicide dacthal, or DCPA, which is used for urban, household and agricultural applications. Dacthal is a possible human carcinogen whose use was limited by the EPA in 2005 due to concerns about water contamination.

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DCPA mono- and di-acid degradates around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
California4251,245
New Jersey1296,436
Nevada11,628
Michigan1293

Utilities with the highest amounts of DCPA mono- and di-acid degradates, 2021-2023

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Meadow Streams EstatesFarmington Hills, MI5 of 61.45 ppb293
Foothill Estates WsSalinas, CA2 of 21.27 ppb183
Stagecoach GidStagecoach, NV1 of 21.05 ppb1,628
Upper Deerfield Township Water DepartmentSeabrook, NJ2 of 20.549 ppb2,463
Allendale Water DepartmentHighland Lakes, NJ1 of 10.506 ppb6,702
Brielle Water DepartmentBrielle, NJ3 of 40.422 ppb4,800
Sea Girt Water DepartmentBrielle, NJ3 of 40.422 ppb2,636
Spring Lake Water DepartmentSpring Lake Heights, NJ3 of 40.422 ppb11,270
Borough of Springlake HeightsSpring Lake Heights, NJ3 of 40.422 ppb5,000
Wall Twp Water DepartmentWall Twp, NJ3 of 40.422 ppb26,000
NJ Water Supply Authority Manasquan*Allenwood, NJ3 of 40.422 ppb30
Waldwick Water DepartmentWaldwick, NJ1 of 10.336 ppb10,208
NJ American Water - Logan*Delran, NJ1 of 10.334 ppb6,650
Aqua NJ - WoolwichHamilton, NJ1 of 10.334 ppb6,271
NJ American Water - Penns GroveDelran, NJ1 of 10.334 ppb14,406
California American Water Company - AntelopeSacramento, CA1 of 280.289 ppb35,204
Sacramento Suburban Water District*Sacramento, CA1 of 280.289 ppb194,444
South Tahoe PUD - Main*South Lake Tahoe, CA1 of 230.00478 ppb21,414

* 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 DCPA mono- and di-acid degradates, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Spring Lake Water DepartmentSpring Lake Heights, NJ3 of 40.422 ppb11,270
Wall Twp Water DepartmentWall Twp, NJ3 of 40.422 ppb26,000
Waldwick Water DepartmentWaldwick, NJ1 of 10.336 ppb10,208
NJ American Water - Penns GroveDelran, NJ1 of 10.334 ppb14,406
Sacramento Suburban Water District*Sacramento, CA1 of 280.289 ppb194,444
California American Water Company - AntelopeSacramento, CA1 of 280.289 ppb35,204
South Tahoe PUD - Main*South Lake Tahoe, CA1 of 230.00478 ppb21,414

* 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 DCPA mono- and di-acid degradates, but it likely has the contaminant in its water supply.

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