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Monitoring, Assessment and TMDLs
| Monitoring, Assessment and Total Maximum Daily Loads (TMDLs) Quick Finder | ||||
EPA-Established TMDLs in Progress
Although most TMDLs are adopted by states, territories, or authorized tribes and then approved by EPA, EPA also establishes TMDLs in some cases if:
- EPA disapproves TMDLs submitted by states, territories, or authorized tribes
- States, territories, or authorized tribes do not submit TMDLs in a timely manner
- EPA is required to do so pursuant to litigation settlements or judicial orders
- States ask EPA to establish TMDLs for a particular water body
You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Adobe Reader.
EPA is currently in the process of developing TMDLs for several waters in California. EPA is developing these TMDLs in cooperation with the State of California, pursuant to consent decrees which require EPA to establish certain TMDLs for water bodies in California.
Draft documents for EPA-established TMDLs will be posted here when they become available.
On this page:
Finalized documents for EPA-established TMDLs are also available.
Lost River Nitrogen and Biochemical Oxygen Demand (BOD) TMDLs - Draft for public review –
Comment period closed
EPA is soliciting public comments on proposed Total Maximum Daily Loads (TMDLs) for Nitrogen and Biochemical Oxygen Demand (BOD) for several water bodies in the Lost River watershed. (Please see public notice and public draft TMDL document below.) EPA is establishing these Lost River TMDLs because California will not be adopting TMDLs by the schedule prescribed under a consent decree. The deadline for submitting comments on these draft TMDLs is closed.
Public Meeting - We are holding a public meeting on Monday, June 25th in the evening, to provide an opportunity for you to learn more about the proposed Lost River Total Maximum Daily Loads (TMDLs) for Nitrogen and Biochemical Oxygen Demand (BOD) in California. The purpose of the meeting is to help interested parties understand the proposed TMDLs. The meeting will be an informal session for discussion and question and answer.
Contact InformationDate: Monday, June 25th
Time: 6:00 - 8:00 pm
Place: Floriculture Wing,Tulelake-Butte Valley Fairgrounds in Tulelake
Gail Louis (louis.gail@epa.gov)
U.S. Environmental Protection Agency
75 Hawthorne Street (WTR-3)
San Francisco, CA 94105
(415) 972-3467
Fax (415)947-3537
- Public Notice (PDF) (1 pg, 40K) Comment period closed
- Public Draft Nitrogen and Biochemical Oxygen Demand Total Maximum Daily Loads (TMDLs) for the Lost River, California to address Dissolved Oxygen and pH Impairments (PDF) (57 pg, 735K)
Some technical support documents are also provided here since they are referenced in the Draft TMDLs and therefore they may provide additional clarification.
- Report on Lost River Model for TMDL Development, August 2005 (PDF) (234 pp, 8.1M)
*Note This PDF document is not accessible to users who require screen readers. If you need assistance to access the content of this document, please contact Gail Louis (louis.gail@epa.gov). - Lost River Modeling Scenario 1D - Variable Load Reduction TMDL Except for Impoundments, 6/22/05 (PDF) (69 pp, 3M)
- Email from Mustafa Faizullabhoy of TetraTech regarding load calculations, 8/29/06 (PDF) (2 pp, 15K)