WaterQ

DBCP (Dibromochloropropane) in Drinking Water: Health Risks, Sources, and How to Remove It

Alex Carter
Water Quality Researcher · Published 2026-06-23

DBCP (Dibromochloropropane) is an organic chemical compound that can contaminate drinking water supplies. It is classified as an organic contaminant and is subject to federal regulation. The Environmental Protection Agency (EPA) has set the Maximum Contaminant Level (MCL) for DBCP in public water systems at 0.2 μg/L.

Health Effects

Exposure to DBCP in drinking water above the regulatory limit can lead to serious health issues, including reproductive difficulties. In addition, long-term exposure to this contaminant is associated with an increased cancer risk. It is important to monitor and limit ingestion of water containing DBCP to prevent these chronic health effects.

How DBCP (Dibromochloropropane) Gets Into Tap Water

The presence of DBCP in drinking water is primarily attributed to its historical use as an agricultural chemical. Specifically, residues from its application as a soil fumigant can persist in the environment and leach into groundwater. Over time, these residues can migrate into nearby drinking water aquifers.

How to Remove DBCP (Dibromochloropropane) From Your Water

To reduce DBCP levels in drinking water, public and private systems can utilize specific treatment technologies. These effective treatment methods include granular activated carbon filtration systems and packed tower aeration. Homeowners seeking treatment solutions can look for filtration systems certified to remove organic chemicals through these methods.

Should You Test Your Water?

If you are concerned about DBCP in your drinking water, you can review your local utility's annual Consumer Confidence Report or check WaterQ's databases. Private well owners should consider testing their water through a certified laboratory, especially in areas with a history of soil fumigant use. You can also look up your local water system on WaterQ or check the DBCP (Dibromochloropropane) data page for reported levels in your area.

Frequently Asked Questions

Is DBCP (Dibromochloropropane) dangerous in drinking water?

Yes, DBCP is considered a dangerous organic contaminant in drinking water. Exposure to levels above the EPA's limits can lead to reproductive difficulties and an increased risk of developing cancer. Consequently, public water systems monitor and treat water to keep levels below the established MCL.

How does DBCP (Dibromochloropropane) get into tap water?

DBCP enters tap water supplies primarily through soil fumigant residues that persist in agricultural areas. These residues can leach through the soil and contaminate groundwater sources used for drinking water.

How can I remove DBCP (Dibromochloropropane) from my water?

You can remove DBCP from your drinking water using treatment methods such as granular activated carbon or packed tower aeration. For household use, water filtration systems utilizing activated carbon are commonly used to treat this contaminant.

Source: EPA National Primary Drinking Water Regulations and WaterQ National Database. For more contaminants, visit our contaminant library.