# National Primary Drinking Water Regulations for Lead and Copper: Short-Term Regulatory Revisions and Clarifications
> **Rule** · Final rule. · Published 2007-10-10 · Effective 2007-12-10 · 72 FR 57782
## Document
- **Document number:** E7-19432
- **Category:** other
- **Federal Register citation:** 72 FR 57782
- **CFR reference:** 40 CFR 141
- **Publication date:** 2007-10-10
- **Effective date:** 2007-12-10
- **EPA docket:** EPA-HQ-OW-2005-0034
## Abstract

EPA is finalizing seven targeted regulatory changes to the National Primary Drinking Water Regulations (NPDWR) for lead and copper. This final rule strengthens the implementation of the Lead and Copper Rule (LCR) in the following areas: monitoring, treatment processes, public education, customer awareness, and lead service line replacement. These changes provide more effective protection of public health by reducing exposure to lead in drinking water.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/10/10/E7-19432/national-primary-drinking-water-regulations-for-lead-and-copper-short-term-regulatory-revisions-and)
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