Selected tag(s): Household action level

With draft report, EPA takes major step to help communities assess risks from lead in drinking water

Tom Neltner, J.D.is Chemicals Policy Director

Communities around the country are testing their water for lead. But when they get the results, parents, public health officials, housing agencies and school officials have little guidance about what the number means and what actions to take or priorities to set. For lead in dust and soil in homes, child-care and schools, they have health-based numbers that serve as benchmarks for assessing risk. There is no such benchmark for drinking water. As a result, many are using the “Lead Action Level” of 15 parts per billion (ppb) as a surrogate. Yet, this level is based on the effectiveness of corrosion control; it has no relation to the associated health risks of lead exposure.

Yesterday, the Environmental Protection Agency (EPA) helped fill the void by releasing a draft report that provides three different approaches to setting a scientifically-robust “health-based benchmark” for lead in drinking water. The agency is seeking public comment on the draft and will convene a panel of scientific experts to consider each of the approaches.

The report is a critical step in implementing the recommendations of the agency’s National Drinking Water Advisory Council (NDWAC) which called for this type of health-based benchmark as part of an overhaul of the Lead and Copper Rule. The agency went a step further and provides alternatives to consider. We applaud EPA for its action and its rigorous, scientific analysis.

Accounting for the various models and assumptions, EPA developed a range of potential health-based benchmarks that range from 3 to 56 ppb of lead in water that people actually drink. However, you cannot readily compare these values to the typical water testing results reported by utilities or schools. Those tests are based on the first draw of water that has been sitting in the faucet and plumbing overnight and do not necessarily reflect what people drink over the course of a day. Later samples would likely be lower but could be higher if the building has a lead service line, especially if the line has been disturbed. Read More »

Posted in Drinking Water, Health Science, lead, Regulation, Uncategorized| Also tagged , , , , | Read 2 Responses

EPA tells Rep. Israel a Household Action Level for lead in drinking water will come “later this year”

Tom Neltner, J.D.is Chemicals Policy Director

In early 2015, the Environmental Protection Agency (EPA) first committed to developing a level that would provide context for those trying to assess an infants’ risk from lead in their drinking water.

An infant’s developing brain is extremely vulnerable to lead. Many parents rely on formula made from drinking water to feed their children. So if that water contains lead, the child is likely to be harmed.

A “Household Action Level” would help parents and public health officials know when lead in the drinking water reaches a level likely to produce an “elevated blood lead level” in an infant who is fed formula. This information can help parents and communities make informed choices about how to protect their children.

So we were pleased to see Rep. Steve Israel’s (D-NY) tweet about EPA's response to his questions regarding the Household Action Level. As a member of the House subcommittee that funds the nation’s water programs, Israel asked the agency to provide an update on the agency’s efforts to release a Household Action Level for committee record.

Read More »

Posted in Drinking Water, EPA, Flint, lead, Regulation| Also tagged , , , | Comments are closed

Washington Post looks at the long and painful history of Lead in Drinking Water rule

Sarah Vogel, Ph.D.is Vice-President for Health.

If you missed last week’s Washington Post piece, “The EPA’s lead-in-water rule has been faulted for decades. Will Flint hasten a change?”  we suggest you go back and take a look. Post reporter Brady Dennis takes us back to the beginning to figure out how a federal rule intended to help ensure safe drinking water nationwide faltered, and why it has taken so long to fix.

In 1991, EPA issued the Lead and Copper Rule to reduce lead in drinking water that primarily relied on corrosion control. But initial progress stalled and the rules shortcomings became clear. As EPA Administrator Gina McCarthy explained at a recent hearing, the rule “needs to be strengthened.” Critics claim the outdated rule has become too easy to evade and too hard to enforce.

EPA now is developing an overhaul of the rule. Given the complexity and scope of the challenge, as my colleague Tom Neltner points out, the stakes are high and the agency needs to get it right.

Neltner should know. He served on the expert panel advising the EPA National Drinking Water Advisory Council (NDWAC) which looked at the rule’s flaws. For example, EPA’s original “lead action level” was based on whether or not corrosion control was working and not on the health risk. The group Neltner served on recommended establishing a new health-based “household action level” that will empower people to make informed choices about how to manage their risk to lead hazards in water. In February 2015, EPA agreed to develop an estimated level for the panel to consider. Given the consumer’s need for the number as a result of Flint, EDF has urged that the agency move quickly to release the household action level.

EPA has indicated the lead rule update will be issued in 2017. But with bipartisan Hill support and a new Presidential Administration on the horizon, many are anxious to see it move faster.

Posted in Drinking Water, EPA, Flint, lead, Regulation, Uncategorized| Also tagged , , , , , , | Comments are closed
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