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EWG's Tap Water Database — 2019 UPDATE

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Hexadecanoic acid

Status: No national drinking water standard exists

 

Hexadecanoic acid, also called palmitic acid, is a naturally occurring fatty acid found in animal and plant lipids.

2015-2017:

FOUND

1

states detected

390

utilities detected

7.9 million

people served

States reporting hexadecanoic acid in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Texas3907,890,992
MORE
LESS

Filtering technologies that reduce hexadecanoic acid

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Activated Carbon

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Reverse Osmosis

Utilities with the highest amounts of hexadecanoic acid, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Sunbelt Fresh Water Supply District Woodland Oaks SubdivisionHouston, TX1 of 16.50 ppb4,464
Harris County Water Control and Improvement District 110Houston, TX1 of 16.40 ppb8,439
City of La GrullaLa Grulla, TX1 of 16.20 ppb9,549
Gonzales County Water Supply CorporationGonzales, TX1 of 16.10 ppb7,782
Jefferson County Water Control and Improvement District 10Nederland, TX1 of 15.80 ppb5,571
City of Galena ParkGalena Park, TX5 of 55.68 ppb10,089
City of Three RiversThree Rivers, TX1 of 15.50 ppb4,356
East Rio Hondo Water Supply Corporation Arroyo CityRio Hondo, TX1 of 15.40 ppb1,824
Town of Indian LakeLos Fresnos, TX1 of 15.40 ppb695
East Rio Hondo WSC*Rio Hondo, TX1 of 15.40 ppb21,726
Military Highway WSC - Del Mar HeightsProgreso, TX1 of 15.40 ppb216
City of RichwoodRichwood, TX1 of 15.10 ppb5,232
City of GrovesGroves, TX2 of 25.05 ppb15,967
Falcon Rural Water Supply CorporationFalcon Heights, TX1 of 15.00 ppb2,250
Water Works 2 Island LodgesBuchanan Dam, TX1 of 14.80 ppb156
Water Works 1 Floyd AcresBuchanan Dam, TX1 of 14.80 ppb84
Sebastian Municipal Utility DistrictSebastian, TX2 of 24.80 ppb2,500
City of Southside PlaceHouston, TX1 of 14.80 ppb1,700
Lake Buchanan*Austin, TX1 of 14.80 ppb1,665
City of GoldthwaiteGoldthwaite, TX1 of 14.70 ppb1,878
City of Port NechesPort Neches, TX1 of 14.50 ppb13,040
Lometa Regional Water SystemAustin, TX3 of 34.50 ppb2,832
Woodland Acres SubdivisionHighlands, TX1 of 14.50 ppb729
Harris County Water Control and Improvement District 116*Houston, TX1 of 14.30 ppb3,705
Sunbelt Fresh Water Supply District Oakwilde SubdivisionHouston, TX1 of 14.20 ppb6,825
City of LyfordLyford, TX3 of 34.17 ppb1,973
City of League CityLeague City, TX5 of 54.06 ppb104,857
Fort Bend County Municipal Utility District 118Houston, TX1 of 14.00 ppb3,960
Port Mansfield Public Utility DistrictRaymondville, TX2 of 23.90 ppb350
City of Comanche*Comanche, TX1 of 13.90 ppb4,335
City of Hamilton*Hamilton, TX1 of 13.90 ppb3,008
North Alamo Water Supply Company*Edinburg, TX2 of 23.90 ppb138,855
City of GormanGorman, TX1 of 13.90 ppb1,083
City of De LeonDe Leon, TX1 of 13.90 ppb2,246
City of Dublin*Dublin, TX1 of 13.90 ppb3,600
Quiet Village IIDonna, TX2 of 23.90 ppb400
Hidalgo County Municipal Utility District 1Mission, TX2 of 23.90 ppb7,924
Upper Leon River Municipal Water District*Comanche, TX1 of 13.90 ppb2,712
Northwest Harris County Municipal Utility District 30Houston, TX1 of 13.80 ppb3,225
City of La VillaLa Villa, TX2 of 23.80 ppb2,868
Buena Vista Ws BurnetNavasota, TX2 of 23.80 ppb366
City of Port ArthurPort Arthur, TX4 of 43.75 ppb54,548
Harris County MUD 53Houston, TX4 of 43.75 ppb16,164
City of Nassau BayNassau Bay, TX2 of 23.75 ppb4,002
Fort Bend County Municipal Utility District 50Houston, TX1 of 13.70 ppb4,218
City of LeanderLeander, TX1 of 13.70 ppb43,764
Harris County Municipal Utility District 70Houston, TX2 of 23.70 ppb5,763
Acorn Village Mobile Home ParkSpring, TX4 of 43.65 ppb192
North Fort Bend Water Authority*Houston, TX4 of 43.65 ppb0
Harris County Municipal Utility District 421*Houston, TX4 of 43.65 ppb177

* 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 Hexadecanoic acid, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
City of Galena ParkGalena Park, TX5 of 55.68 ppb10,089
East Rio Hondo WSC*Rio Hondo, TX1 of 15.40 ppb21,726
City of GrovesGroves, TX2 of 25.05 ppb15,967
City of Port NechesPort Neches, TX1 of 14.50 ppb13,040
City of League CityLeague City, TX5 of 54.06 ppb104,857
North Alamo Water Supply Company*Edinburg, TX2 of 23.90 ppb138,855
Harris County MUD 53Houston, TX4 of 43.75 ppb16,164
City of Port ArthurPort Arthur, TX4 of 43.75 ppb54,548
City of LeanderLeander, TX1 of 13.70 ppb43,764
City of WebsterWebster, TX4 of 43.65 ppb13,710
City of Houston*Houston, TX4 of 43.65 ppb2,319,603
Nueces County WCID 3*Robstown, TX2 of 23.60 ppb14,607
Clear Brook City MUD*Houston, TX3 of 33.50 ppb12,390
Harlingen Water Works System*Harlingen, TX3 of 33.50 ppb85,900
City of Beeville*Beeville, TX1 of 13.40 ppb15,039
City of Nederland*Nederland, TX2 of 23.35 ppb17,545
City of Corpus Christi*Corpus Christi, TX2 of 23.30 ppb325,733
Brownsville Public Utilities Board*Brownsville, TX2 of 23.30 ppb176,362
City of Seabrook*Seabrook, TX1 of 13.30 ppb12,792
City of La PorteLa Porte, TX7 of 73.27 ppb34,733
City of MissionMission, TX2 of 23.25 ppb77,058
Clear Lake City Water Authority*Houston, TX3 of 33.23 ppb85,636
City of Alice*Alice, TX1 of 13.20 ppb25,263
Northtown MUDAustin, TX2 of 23.20 ppb11,520
Kempner WSC*Kempner, TX2 of 23.20 ppb17,031
Wells Branch MUD 1Austin, TX2 of 23.20 ppb21,129
City of Deer Park*Deer Park, TX6 of 63.20 ppb32,964
City of Galveston*Galveston, TX1 of 13.20 ppb50,180
North Austin Municipal Utility District 1Austin, TX2 of 23.20 ppb11,133
City of Austin Water & Wastewater*Austin, TX2 of 23.20 ppb981,783
City of La MarqueLa Marque, TX1 of 13.20 ppb15,154
City of BoerneBoerne, TX1 of 13.20 ppb16,056
Memorial Villages Water AuthorityHouston, TX4 of 43.15 ppb11,427
Newport Municipal Utility DistrictHouston, TX2 of 23.15 ppb10,374
City of Beaumont Water Utility Department*Beaumont, TX1 of 13.10 ppb118,129
City of Rio Grande City*Rio Grande City, TX1 of 13.10 ppb17,901
Fort Bend County Municipal Utility District 112Sugar Land, TX2 of 23.10 ppb15,966
City of Mercedes*Mercedes, TX2 of 23.05 ppb15,700
City of BellaireBellaire, TX3 of 33.03 ppb22,473
Agua SUDMission, TX2 of 23.00 ppb46,950
City of Baytown*Baytown, TX1 of 13.00 ppb72,312
Langham Creek Utility District*Houston, TX3 of 32.93 ppb10,377
City of BrownwoodBrownwood, TX2 of 22.90 ppb18,965
City of Abilene*Abilene, TX1 of 12.90 ppb123,886
City of Texas CityTexas City, TX2 of 22.90 ppb48,558
Brookesmith Special Utility District*Brownwood, TX2 of 22.90 ppb11,289
City of Round Rock*Round Rock, TX2 of 22.85 ppb107,158
City of South HoustonSouth Houston, TX2 of 22.85 ppb13,578
Sharyland Water Supply CorporationMission, TX1 of 12.80 ppb54,519
City of Waco*Waco, TX1 of 12.80 ppb130,194

* 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 Hexadecanoic acid, but it likely has the contaminant in its water supply.