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CONTAMINANT

Dalapon

STATES DETECTED

31

serves

7.2 million

utilities detected

645

Overview

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

ppb = parts per billion

National Standard Exists

Health Concerns:

  • Harm to the kidney

Want to remove
Dalapon from your water?

Try these filter technologies:

Activated Carbon, 

Reverse Osmosis, 

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Dalapon around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
Florida1261,090,457
New York341,014,931
Louisiana53956,271
Iowa101951,456
District Of Columbia3847,323
Texas92692,360
North Carolina47354,788
Pennsylvania43246,530
Oklahoma29154,746
Illinois11148,484
Virginia3147,373
Kentucky9121,223
South Carolina585,474
West Virginia2372,525
Massachusetts468,494
Maryland749,598
Indiana246,577
Colorado2637,612
Alabama232,244
New Mexico419,938
Arkansas518,873
Arizona210,561
Idaho13,309
Oregon12,535
Minnesota21,453
Delaware1306
Washington4240
Maine2205
North Dakota1136
California1122
Vermont187

Utilities with the highest amounts of dalapon, 2021-2023

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Kissimmee River Fishing ResortOkeechobee, FL5 of 53.16 ppb168
Leon Water Supply*Leon, IA4 of 42.90 ppb1,822
Sirwa #3 (leon)Creston, IA4 of 42.90 ppb1,308
Spring Point Homeowners AssociationDeer Harbor, WA2 of 22.55 ppb108
Rayburn Country Municipal Utility DistrictJasper, TX26 of 302.48 ppb3,453
Big Cypress Park HeadquartersOchopee, FL2 of 22.36 ppb100
Hidden Acres EstatesLorida, FL3 of 42.20 ppb146
Florida Pines Mobile Home ParkVenice, FL4 of 42.18 ppb280
Jons Mobile Home ParkSandwich, IL1 of 12.07 ppb92
Sheppards Creek Mobile Home ParkSpencer, NY1 of 12.00 ppb70
Crescent City Water Treatment PlantCrescent City, FL4 of 41.90 ppb1,900
Wagoner County Rural Water District #9Wagoner, OK1 of 11.87 ppb4,363
Sturgis Water WorksSturgis, KY2 of 21.77 ppb3,490
River Bend Water ServicesMatagorda, TX13 of 151.70 ppb100
Georgetown, City ofGeorgetown, SC8 of 91.63 ppb9,245
Topsail Greens S/dBurgaw, NC5 of 91.60 ppb549
Royal Senter Ridge S/dDenver, NC2 of 81.56 ppb740
City of Rose CityVidor, TX18 of 271.52 ppb467
Alburgh Fire District 1Alburgh, VT3 of 31.51 ppb87
Woodhaven Mobile Home ParkCumming, PA4 of 61.51 ppb350
La Veta, Town ofLa Veta, CO8 of 91.48 ppb850
Hickory Grove Water System, LA3 of 61.47 ppb570
Fairview Union Water System*Coushatta, LA3 of 61.47 ppb2,346
Sharp's Mobile Home ParkSt Cloud, FL6 of 81.45 ppb179
Hudson, Town ofHudson, CO3 of 31.43 ppb3,350
South Middleton Twp Water Authority*Boiling Springs, PA1 of 71.43 ppb10,068
Dickinson Township Municipal AuthorityMount Holly Springs, PA1 of 71.43 ppb250
Lisbon Water SystemLisbon, LA1 of 11.40 ppb390
Loring Development AuthorityWiscasset, ME1 of 11.40 ppb180
Immokalee WaterImmokalee, FL3 of 71.39 ppb25,838
Wahpeton Water SupplyMilford, IA4 of 41.38 ppb408
City of New SummerfieldNew Summerfield, TX4 of 61.37 ppb1,428
Glen Oaks Water SystemHuntington, TX1 of 41.36 ppb87
Slippery Rock Municipal AuthoritySlippery Rock, PA2 of 41.36 ppb15,778
Gulf County Water Department (lighthouse)Port St. Joe, FL2 of 31.33 ppb5,257
City of Port St. Joe*Port St. Joe, FL2 of 31.33 ppb12,493
Goshen VillageGoshen, NY9 of 141.32 ppb5,600
Corbin Utilities Commission*Corbin, KY2 of 21.31 ppb16,065
Hidden Oaks Mobile Home ParkTampa, FL1 of 11.30 ppb135
Lee Cypress Co-opNaples, FL1 of 11.30 ppb250
Sidbury`s Mobile Home ParkHampstead, NC3 of 51.27 ppb101
Camp Inn Associates, LlcFrostproof, FL4 of 61.27 ppb1,500
Piedmont Municipal Water WksPiedmont, WV1 of 11.26 ppb847
Greenville Municipal Water AuthorityGreenville, PA2 of 31.23 ppb8,600
Hamlet Water System*Hamlet, NC3 of 41.23 ppb10,289
Silver Dollar Shooters ClubOdessa, FL6 of 91.22 ppb175
Pendleton Water AssociationMany, LA5 of 61.21 ppb2,589
Crescent Hills SubdivisionCrescent City, FL1 of 11.20 ppb88
Lugoff Elgin Water AuthorityLugoff, SC2 of 21.20 ppb20,584
Port Buena VistaEast Palatka, FL1 of 11.20 ppb135

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

UtilityLocationTestsAverage levelPeople served
South Middleton Twp Water Authority*Boiling Springs, PA1 of 71.43 ppb10,068
Immokalee WaterImmokalee, FL3 of 71.39 ppb25,838
Slippery Rock Municipal AuthoritySlippery Rock, PA2 of 41.36 ppb15,778
City of Port St. Joe*Port St. Joe, FL2 of 31.33 ppb12,493
Corbin Utilities Commission*Corbin, KY2 of 21.31 ppb16,065
Hamlet Water System*Hamlet, NC3 of 41.23 ppb10,289
Lugoff Elgin Water AuthorityLugoff, SC2 of 21.20 ppb20,584
Pender County UtilitiesBurgaw, NC4 of 160.793 ppb30,506
Palm Coast Utility*Palm Coast, FL7 of 250.756 ppb96,025
West Jefferson Waterworks District 2*Jefferson, LA3 of 80.734 ppb188,770
Beaver Falls Municipal Authority*Beaver Falls, PA2 of 40.723 ppb50,000
Rockingham, City ofRockingham, NC1 of 30.703 ppb12,204
Anson County Water System*Wadesboro, NC2 of 40.690 ppb13,880
Boone Water Works*Boone, IA1 of 10.600 ppb12,460
University Water SystemIowa City, IA1 of 10.600 ppb26,684
Butler County Water System Inc*Bowling Green, KY1 of 20.590 ppb14,256
Paducah Water WorksPaducah, KY1 of 20.555 ppb65,004
Onslow Water And Sewer Authority*Jacksonville, NC5 of 160.548 ppb144,155
City of Cumberland*, MD1 of 20.500 ppb27,039
The Cape Master SystemDenver, NC12 of 460.487 ppb11,368
Elgin*Elgin, IL6 of 110.474 ppb113,911
Black Mountain, Town ofBlack Mountain, NC1 of 40.420 ppb10,125
Daytona Beach*Daytona Beach, FL1 of 70.414 ppb87,534
City of South DaytonaSouth Daytona, FL1 of 70.414 ppb13,080
Dix Hills Water DistrictHuntington, NY1 of 10.380 ppb34,522
Pennsylvania American Water Company Clarion*New Castle, PA1 of 30.367 ppb16,600
Front RoyalFront Royal, VA1 of 30.367 ppb15,000
City of Sunrise*Sunrise, FL2 of 70.366 ppb79,550
Sebring Water & Sewer SystemSebring, FL5 of 140.357 ppb44,900
Hudson Water SupplyHudson, MA1 of 20.355 ppb18,406
Jasper Municipal Water Utility*Jasper, IN2 of 70.343 ppb17,077
City of Fairmont*Fairmont, WV1 of 30.333 ppb30,586
Houma Water Treatment Service AreaHouma, LA4 of 60.330 ppb11,148
City of Winter SpringsWinter Springs, FL4 of 90.312 ppb34,657
Wapello Rural Water Assoc.*Ottumwa, IA1 of 10.300 ppb16,075
Cheniere Drew North Water SystemWest Monroe, LA1 of 50.300 ppb11,280
Martin County Utilities*Jensen Beach, FL1 of 40.300 ppb104,105
Rathbun Regional Water Assn*Centerville, IA1 of 10.300 ppb32,000
McAlester PWA*Mcalester, OK2 of 100.299 ppb18,206
Dan River Water IncEden, NC1 of 40.288 ppb11,890
City of Eden*Eden, NC1 of 40.288 ppb15,023
Montgomery Trace Water System*Navasota, TX1 of 40.275 ppb20,016
Rayford Road MUDHouston, TX1 of 40.275 ppb11,550
Southern Montgomery County MUDHouston, TX1 of 40.275 ppb13,372
Attleboro Water DepartmentAttleboro, MA1 of 50.268 ppb43,593
Newburgh Consolidated WD*Newburgh, NY3 of 90.261 ppb26,313
Tavares Water DepartmentTavares, FL3 of 80.236 ppb20,013
City of WildwoodWildwood, FL3 of 260.230 ppb21,872
Moon Twp Municipal Authority*Moon Township, PA1 of 20.226 ppb38,000
Gretna WaterworksGretna, LA2 of 60.223 ppb17,802

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

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