EPA Lead and Copper Rule Revision

The EPA has released the revised Lead and Copper Rule. First released in 1991, the LCR regulates the control of lead and copper in drinking water. Since 1991, the LCR has undergone several revisions. Each revision has brought greater consumer transparency about this public health concern. For example, prior to 2007, water systems were not required to share sampling results with consumers.

This most recent revision further limits the amount of lead and copper permitted and requires the following:

  • Reduces the action level from 15ppb to XYZ ppb for lead concentration and 1.3ppb to ABC ppb for copper concentration- in more than 10% of customer taps sampled.

  • Increases the level of consumer transparency. Water systems will need to send a consumer notice to any individual home with lead and/or copper ppb levels above the action level within 24-hours instead of 30-days. Additionally, if the 90th percentile is above 15 ppb, utilities are required to inform all customers within 24-hours.

  • High level summary change 3

  • High level summary change 4

LCR Changes

 

Changes to the LCR are divided into the following categories:

Public Communication

Read more below

Sampling Requirements

Read more below

Corrosion Treatment and Water Quality Guidelines

Read more below

Why BlueConduit

Let our experts help you navigate these changes

As subject matter experts, BlueConduit can help guide you through these rule changes and be a strong partner in your plan development and implementation. BlueConduit uses machine learning to reduce uncertainty around LSLs and produce sound estimates of the number of LSLs in a system, as well as home-by-home probabilities of LSL location. Knowing these probabilities can guide your organization in cost-effectively developing their inventories and replacement programs. Moreover, BlueConduit’s mapping capabilities can help characterize these probabilities in a clear and understandable way for public communication.

Service Line Inventories and Replacement

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Public Communication

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Sampling Requirements

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Corrosion Treatment and Water Quality Guidelines

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