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ECO-3       Protecting Our Soil, Water & Air

Erosion & Sediment Control Training & Site Supervision

EPA Stormwater Requirements in the State of Oregon

Federal Facilities and  Indian Country

EPA Construction General Permit (CGP) Section 9

3. ORR10000I: Indian country within the State of Oregon, except Fort McDermitt Reservation lands  (see Region 9):

a)      Confederated Tribes of the Umatilla Indian Reservation. The following conditions apply only for projects within the exterior boundaries of the Umatilla Indian Reservation:

i)        The operator shall be responsible for achieving compliance with the Confederated Tribes of the

ii)      Umatilla Indian Reservation’s (CTUIR) Water Quality Standards.

iii)    The operator shall submit all Erosion Control and/or Storm Water Pollution Prevention Plans to the CTUIR Water Resources Program for review and approval by the Department of Natural Resources Director prior to submitting the Notice of Intent to EPA and prior to beginning any discharge activities.

iv)    The operator shall contact the CTUIR Tribal Historic Preservation Office (THPO) prior to beginning any construction activities to determine whether a cultural resource survey of the project area or other investigation is required. All cultural resource fieldwork must be conducted by qualified personnel and documented using Oregon Reporting Standards. The resulting report must be submitted to the THPO for concurrence at least 30 days before any ground disturbing work can occur at the site. The operator must obtain THPO concurrence in the form of a letter, which (if necessary) will include any measures that must be taken to prevent or mitigate adverse effects to potentially eligible historic properties, prior to any ground disturbing work.

v)      The operator shall submit copies of the Notice of Intent to the CTUIR Water Resources Program and the CTUIR Tribal Historic Preservation Office at the same time it is submitted to EPA.

vi)    Erosion Control and Storm Water Pollution Prevention Plans and Notices of Intent shall be submitted to:

Confederated Tribes of the Umatilla Indian Reservation

Water Resources Program

P.O. Box 638

Pendleton, OR 97801

(541) 276-3447

Confederated Tribes of the Umatilla Indian Reservation

Cultural Resources Protection Program

Tribal Historic Preservation Office

P.O. Box 638

Pendleton, OR 97801

(541) 276-3629

b)       Confederated Tribes of Warm Springs. The following conditions apply only for projects on the Warm Springs Indian Reservation:

i)        All activities covered by this NPDES general permit occurring within a designated riparian buffer zone as established in Ordinance 74 (Integrated Resource Management Plan or IRMP) must be reviewed, approved and permitted through the Tribe’s Hydraulic Permit Application process, including payment of any applicable fees.

ii)      All activities covered by this NPDES general permit must follow all applicable land management and resource conservation requirements specified in the IRMP.

iii)    Operators of activities covered by this NPDES general permit must submit a Storm Water Pollution Prevention Plan to the Tribe’s Water Control Board at the following address for approval at least 30 days prior to beginning construction activity:

Chair, Warm Springs Water Control Board

P.O. Box C

Warm Springs, Oregon 97761

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