Marine Sanitation Devices (MSDs): Regulation to Establish a No Discharge Zone (NDZ) for California State Marine Waters

Docket ID: EPA-R09-OW-2012-0084
Agency: Environmental Protection Agency (EPA)
In response to a 2005 California law, the State Water Resources Control Board asked EPA to designate all California marine waters as a No Discharge Zone (NDZ) for all sewage from all large passenger vessels, and all large ocean-going vessels with adequate holding capacity. The State, local environmental groups, and California delegation all strongly support establishment of such an NDZ, as it would offer additional water quality protection to the California coast. EPA and the State found that even treated sewage can have elevated concentrations of pollutants. All prior NDZs prohibit all sewage from all vessels; however, the California request applied to only a subset of all vessels, targeting the highest volume generators. No existing NDZ established under 312(f)(4)(A) applies to all state marine waters either. Only two other NDZs have been established under 312(f)(4)(A): Minnesota Boundary Waters Canoe Area and Florida Keys National Marine Sanctuary. EPA established the California NDZ on February 27, 2012.
RIN: 2009-AA04
Impacts and Effects: None
CFR Citation: 40 CFR 140
Priority: Other Significant
UA and Regulatory Plan Information open glossary dialog  
Publication Period: Fall 2012
Agenda Stage of Rulemaking: Completed Action
Major Rule: No
Legal Authorities: CWA 312(f)(4)(A)
Legal Deadlines: None
Government Levels Affected: No
Federalism Implications: No
Unfunded Mandates: No
Requires Regulatory Flexibility Analysis: No
Small Entities Affected: No
International Impacts: No
Energy Effects: No
Included in Regulatory Plan: No
ActionDateFR Citation
NPRM09/02/201075 FR 53914
Final Rule02/27/201277 FR 11401
Final Rule Effective03/28/2012
Docket Details open glossary dialog  
Related RINs: None
Related Dockets: None
Short Title: California No Discharge Zone
Keyword(s): sewage, California, marine, no discharge zone, large oceangoing vessels, large passenger vessels, cruise ships
Type: Rulemaking
Location: R09-OW

Primary Documents

View All  (1)
Comment Period Closed
Posted: 02/27/2012
ID: EPA-R09-OW-2012-0084-0001

Supporting Documents

View All  (14)
Comments Not Accepted
Supporting & Related Material
Posted: 02/27/2012
ID: EPA-R09-OW-2012-0084-0002
Comments Not Accepted
Supporting & Related Material
Posted: 02/27/2012
ID: EPA-R09-OW-2012-0084-0010
Comments Not Accepted
Supporting & Related Material
Posted: 02/27/2012
ID: EPA-R09-OW-2012-0084-0003


No comments posted.

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Agency Contact
Paul Amato
415 972-3847
415 947-3537 (Fax)
USEPA REGION 9, 75 Hawthorne Street, Mail Code: WTR-1, San Francisco, CA 94105
San Francisco, CA 94105
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