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National Drinking Water Database


p-Dichlorobenzene in Iowa


p-Dichlorobenzene is a carcinogenic pesticide used as a fumigant, deodorant, and in manufacture of other industrial chemicals. [read more]

The Most Polluted Communities in Iowa

12 water utilities reported detecting p-Dichlorobenzene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average p-Dichlorobenzene level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Stuart Water Supply
Stuart, IA
1,8105 of 61.72 ppb
(0 to 5.7 ppb)
2Council Bluffs Water Works
Council Bl, IA
61,3241 of 40.83 ppb
(0 to 3.3 ppb)
3Hudson Water Supply
Hudson, IA
2,1178 of 80.79 ppb
(0.5 to 1.1 ppb)
4Creston Water Supply
Creston, IA
7,5975 of 90.56 ppb
(0 to 2.2 ppb)
5Keokuk Municipal Water Works
Keokuk, IA
11,4273 of 50.5 ppb
(0 to 1 ppb)
6LA Porte City Utilities
Laporte Ci, IA
2,3211 of 20.5 ppb
(0 to 1 ppb)
7Urbandale Water Utility
Urbandale, IA
35,9041 of 10.5 ppb
(0.5 ppb)
8Marble Rock Water Supply
Marble Roc, IA
3261 of 30.47 ppb
(0 to 1.4 ppb)
9Spencer Municipal Water Utility
Spencer, IA
11,3272 of 30.43 ppb
(0 to 0.7 ppb)
10Sioux City Water Supply
Sioux City, IA
85,0281 of 20.35 ppb
(0 to 0.7 ppb)

Health Based Limits for p-Dichlorobenzene

StandardDescriptionLevel
California Public Health GoalsDefined by the State of California Office of Environmental Health Hazard Assessment (OEHHA) as the level of contaminant that is allowed in drinking water. For acutely toxic substances, levels are set at which scientific evidence indicates that no known or anticipated adverse effects on health will occur, plus an adequate margin-of safety. PHGs for carcinogens or other substances which can cause chronic disease shall be based solely on health effects without regard to cost impacts and shall be set at levels which OEHHA has determined do not pose any significant risk to health.6 ppb
EPA Human Health Water Quality CriteriaWater quality criteria set by the US EPA provide guidance for states and tribes authorized to establish water quality standards under the Clean Water Act (CWA) to protect human health. These are non-enforceable standards based upon exposure by both drinking water and the contribution of water contamination to other consumed foods. Source: U.S. Environmental Protection Agency.63 ppb
Maximum Contaminant Limit (MCL)The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.75 ppb
Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.75 ppb
Lifetime health-based limit, non-cancer riskConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for a lifetime of exposure. The Lifetime health-based limit (or Health Advisory, HA) is based on exposure for a a 70-kg adult consuming 2 liters of water per day. Source: U.S. Environmental Protection Agency.75 ppb
Drinking Water Equivalent LevelA lifetime exposure concentration protective of adverse, noncarcinogenic health effects, that assumes all of the exposure to a contaminant is from drinking water. Source: U.S. Environmental Protection Agency.4000 ppb
Children's health-based limit for 1-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for up to one day of exposure. The One-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.11000 ppb
Children's health-based limit for 10-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic effects for up to ten days of exposure. The Ten-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.11000 ppb

Violation Summary for p-Dichlorobenzene in Iowa

There are no violations reported for this contaminant in Iowa