Dalapon
Status: National drinking water standard exists
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
2015:
11
states detected
200
utilities detected
4.0 million
people served
0
states over legal limit
0
utilities over legal limit
0
people served over legal limit
Health concerns for dalapon
Harm to the kidney
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 200 ppb
The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.
ppb = parts per billion.
EPA Maximum Contaminant
Level Goal (MCLG)200 ppb
A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.
ppb = parts per billion.
States reporting dalapon in drinking water
| UTILITIES WITH CONTAMINATION | |||
|---|---|---|---|
| State | Utilities | People Served | |
| Florida | 97 | 2,361,322 | |
| Virginia | 9 | 792,047 | |
| North Carolina | 15 | 314,325 | |
| Texas | 19 | 164,291 | |
| Louisiana | 29 | 149,567 | |
| California | 2 | 119,122 | |
| Iowa | 10 | 42,103 | |
| New York | 13 | 16,297 | |
| Colorado | 3 | 12,490 | |
| Pennsylvania | 2 | 2,588 | |
| Maryland | 1 | 1,635 | |
Utilities with the highest amounts of dalapon, 2015
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| City of Roseville* | Roseville, CA | 1 of 1 | 20.0 ppb | 119,000 |
| College Mobile Home Park | Orlando, FL | 1 of 1 | 11.0 ppb | 90 |
| Stagecoach S/d | Garner, NC | 2 of 4 | 4.38 ppb | 556 |
| Whispering Pines Mobile Home Park | Kissimmee, FL | 1 of 1 | 3.20 ppb | 465 |
| Pine Isle Mobile Villa | Orlando, FL | 1 of 1 | 3.10 ppb | 127 |
| Cypress Bay Mobile Home Park | Fort Pierce, FL | 3 of 3 | 3.03 ppb | 87 |
| Lake Runnymede Mobile Home Park | St Cloud, FL | 1 of 1 | 3.00 ppb | 222 |
| Holiday Travel Park | Bunnell, FL | 1 of 1 | 2.80 ppb | 82 |
| Fairview Union Water System* | Campti, LA | 6 of 8 | 2.75 ppb | 2,205 |
| Lake Rose Village | Lutz, FL | 1 of 1 | 2.50 ppb | 50 |
| Louisburg, Town of* | Louisburg, NC | 1 of 1 | 2.50 ppb | 4,103 |
| Springlake Village Water Treatment Plant | Kissimmee, FL | 2 of 2 | 2.45 ppb | 3,070 |
| G & H Mobile Home Park Inc. | Mulberry, FL | 1 of 1 | 2.30 ppb | 80 |
| Richfield Springs Village | Richfield Springs, NY | 1 of 1 | 2.28 ppb | 1,200 |
| Bard College | Annandale On Hudson, NY | 1 of 1 | 2.20 ppb | 1,400 |
| Hidden Acres Estates | Lorida, FL | 1 of 1 | 2.20 ppb | 146 |
| Kissimmee River Fishing Resort | Okeechobee, FL | 1 of 1 | 2.10 ppb | 168 |
| Southeast | Frostproof, FL | 2 of 2 | 2.10 ppb | 2,828 |
| Buttonwood Bay Mobile Home Park | Sebring, FL | 3 of 3 | 2.07 ppb | 2,000 |
| Bunnell Water Plant | Bunnell, FL | 1 of 2 | 2.05 ppb | 2,648 |
| Country Walk Utilities Inc. | Lake Placid, FL | 1 of 1 | 2.00 ppb | 167 |
| City of Plant City Utility* | Plant City, FL | 1 of 1 | 2.00 ppb | 35,850 |
| Garden Valley | Colorado Springs, CO | 1 of 2 | 1.75 ppb | 900 |
| City of Winter Park* | Winter Park, FL | 3 of 3 | 1.73 ppb | 82,984 |
| Wahpeton Water Supply | Wahpeton, IA | 2 of 2 | 1.70 ppb | 438 |
| Big Oaks Mobile Home Park | Orlando, FL | 1 of 1 | 1.70 ppb | 125 |
| South Toledo Bend Water District* | Many, LA | 4 of 4 | 1.65 ppb | 5,742 |
| Waverly Water System | Lake Wales, FL | 4 of 6 | 1.63 ppb | 1,479 |
| St. Leo University | St Leo, FL | 1 of 1 | 1.60 ppb | 500 |
| Ami Kids Big Cypress Wilderness Insitute | Ochopee, FL | 2 of 3 | 1.60 ppb | 50 |
* 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.
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| City of Roseville* | Roseville, CA | 1 of 1 | 20.0 ppb | 119,000 |
| City of Plant City Utility* | Plant City, FL | 1 of 1 | 2.00 ppb | 35,850 |
| City of Winter Park* | Winter Park, FL | 3 of 3 | 1.73 ppb | 82,984 |
| Boynton Beach Water Treatment Plant | Boynton Beach, FL | 2 of 4 | 1.30 ppb | 102,512 |
| North Port Utilities* | North Port, FL | 3 of 4 | 1.18 ppb | 42,130 |
| St Bernard Parish Waterworks | Chalmette, LA | 2 of 4 | 1.000 ppb | 44,000 |
| Daytona Beach* | Daytona Beach, FL | 1 of 3 | 0.900 ppb | 88,918 |
| City of Port St. Joe | Port St. Joe, FL | 1 of 2 | 0.800 ppb | 12,806 |
| Okeechobee Utility Authority | Okeechobee, FL | 4 of 4 | 0.715 ppb | 20,000 |
| Rapides Parish Waterworks District 3* | Tioga, LA | 2 of 4 | 0.650 ppb | 19,983 |
| City of Mount Dora | Mount Dora, FL | 1 of 1 | 0.630 ppb | 29,996 |
| City of Durham* | Durham, NC | 3 of 8 | 0.550 ppb | 265,472 |
| Pinellas County Utilities* | Clearwater, FL | 2 of 2 | 0.520 ppb | 426,877 |
| Gretna Waterworks | Gretna, LA | 2 of 4 | 0.475 ppb | 17,802 |
| City of Cibolo | Cibolo, TX | 4 of 16 | 0.469 ppb | 17,470 |
| City of Bartow | Bartow, FL | 1 of 2 | 0.370 ppb | 20,845 |
| City of Norfolk* | Norfolk, VA | 2 of 8 | 0.275 ppb | 234,220 |
| Clearwater Water System* | Clearwater, FL | 3 of 6 | 0.260 ppb | 110,000 |
| City of Seguin* | Seguin, TX | 2 of 16 | 0.194 ppb | 28,360 |
| City of Boerne | Boerne, TX | 2 of 20 | 0.165 ppb | 14,044 |
| Springs Hill WSC* | Seguin, TX | 2 of 16 | 0.131 ppb | 23,000 |
| City of Temple* | Temple, TX | 3 of 32 | 0.113 ppb | 69,180 |
* 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.