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Regulatory Development and Retrospective Review Tracker

NPDES Permit Requirements for Municipal Sanitary Systems, Municipal Satellite Collection Systems, Sanitary Sewer Overflows, and Peak Excess Flow Treatment Facilities

a.k.a. SSO Rulemaking

RIN: 2040-AD02 (What's this?)

Docket No.: EPA-HQ-OW- 2010-0464 (What's this?)

Current Phase: Pre-Proposal (What's this?)

EPA will develop a notice of proposed rulemaking outlining a broad-based regulatory framework for sanitary sewer collection systems under the NPDES program.

The Agency is considering proposing standard permit conditions for inclusion in permits for publicly owned treatment works (POTWs) and municipal sanitary sewer collection systems that would better articulate monitoring, reporting, and discharge obligations to provide better protection at reduced costs.

Public Meeting: Published in FR06/01/2010
Public Meeting: Public Meeting06/24/2010
Public Meeting: Public Meeting06/28/2010
Public Meeting: Public Meeting06/30/2010
Public Meeting: Public Meeting07/13/2010

Potential Effects

Federal Government - other agencies
Likely to be regulated by this rule.

Local Governments
Likely to be regulated by this rule.

Small Entities
EPA notifies the public when a rulemaking is likely to 1) have any adverse economic impact on small entities even though a Regulatory Flexibility Analysis may not be required and/or 2) have significant adverse economic impacts on a substantial number of small entities. The term "small entities" includes small businesses, small governments, and small not-for-profits. (Read a longer explanation on our Small Entities web page.) This rulemaking is likely to impact small entities in the following way(s):
  • Likely to have any adverse economic impact on:
    • small governments

In addition, small governments are:

  • Likely to be regulated by this rule.

State Governments
Likely to be regulated by this rule.
Likely to be involved in the implementation of this rule.

Tribal Governments
Likely to be regulated by this rule.

Participate / Learn More Regulatory Review

Some of EPA's rulemakings undergo regulatory review (What's this?), as prescribed by Executive Order 12866 and coordinated by the Office of Management and Budget (OMB). The following list describes which of this rulemaking's stages have completed review and published in the Federal Register, if any, and provides links to the review documents where available. Consult the "Timeline" section of this Web page for the dates of each review.

Citations & Authorities

Federal Register Citations

Code of Federal Regulations (CFR) Citation
40 CFR 122.38;40 CFR 122.41;40 CFR 122.42

Legal Authority
33 USC 1311 "CWA 301";33 USC 1314 "CWA 304";33 USC 1318 "CWA 308";33 USC 1342 "CWA 402";33 USC 1361 "CWA 501(a)"


This site provides summaries of priority rulemakings and priority retrospective reviews of existing regulations. We update most of the site at the beginning of each month, though some data is updated more frequently if it is time sensitive. The information on this site is not intended to and does not commit EPA to specific conclusions or actions. For example, after further analysis, EPA may decide the effects of a rule would be different or it may decide to terminate a rulemaking.

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