# Effluent Limitations Guidelines and Standards for the Oil and Gas Extraction Point Source Category-Implementation Date Extension
> **Rule** · Direct final rule. · Published 2016-09-30 · Effective 2016-11-29 · 81 FR 67191
## Document
- **Document number:** 2016-23456
- **Category:** water-quality
- **Federal Register citation:** 81 FR 67191
- **CFR reference:** 40 CFR 435
- **Publication date:** 2016-09-30
- **Effective date:** 2016-11-29
- **EPA docket:** EPA-HQ-OW-2016-0598
## Abstract

The Environmental Protection Agency (EPA) is taking direct final action to extend the implementation deadline for certain facilities subject to the final rule establishing pretreatment standards under the Clean Water Act (CWA) for discharges of pollutants into publicly owned treatment works (POTWs) from onshore unconventional oil and gas (UOG) extraction facilities (81 FR 41845; June 28, 2016). EPA is making this revision in response to new information suggesting that there are likely facilities subject to the final rule not presently meeting the zero discharge requirements in the final rule.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/09/30/2016-23456/effluent-limitations-guidelines-and-standards-for-the-oil-and-gas-extraction-point-source)
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