Contact EPA Pacific Southwest Water Division
Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Monitoring, Assessment and TMDLs
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Monitoring & TMDLs Home 303(d) lists EPA-established TMDLs | EPA-lead TMDLs: Completed Monitoring Arizona TMDLs | California TMDLs Hawai'i TMDLs Nevada TMDLs | Pacific Islands TMDLs TMDL Contacts |

Pacific Islands Water Quality
EPA Region 9 works with the Pacific Island territories through its Pacific Islands Office, which provides technical and funding assistance to territorial environmental protection programs. The Pacific territories have completed Section 305(b) and Section 303(d) reports for several reporting cycles; each Territory is now beginning to develop TMDLs. More information about the Pacific Islands Office can be found at the EPA Region 9 Pacific Islands Office website.
EPA and Pacific Island Water Quality Contacts
American Samoa
Monitoring, assessment, and TMDL development work is conducted by American Samoa EPA. More information may be obtained at American Samoa EPA’s website.
General information about American Samoa EPA's water quality programs can be found at the EPA Region 9 American Samoa web page.
On June 26, 2014, EPA approved American Samoa's 2014 Section 303(d) list.
EPA Documents
State Documents
Commonwealth of Northern Mariana Islands (CNMI)
Monitoring, assessment, and TMDL development work is conducted by CNMI Division of Environmental Quality. More information may be obtained at the CNMI Division of Environmental Quality's website.
General information about CNMI DEQ's water quality programs also can be found at the EPA Region 9 Commonwealth of the Northern Mariana Islands website.
On October 8, 2014, EPA approved Commonwealth of Northern Mariana Islands' 2014 Section 303(d) list. The approval letter and approved list are provided below.
EPA Documents
State Documents
Guam
Monitoring, assessment, and TMDL development work is conducted by Guam EPA. More information may be obtained at the Guam EPA website.
General information about Guam EPA's water quality programs also can be found at EPA Region 9's Guam web page.
On July 22, 2013, EPA approved Guam's 2012 Section 303(d) list. The approval letter and approved list are provided below.
EPA Documents
State Documents
- Guam 2012 Integrated Report (PDF) (23pp, 1.8M)