# Shoshone-5annockTribes
TRIBAl! WATER RESOURCES DEPARTMENT P.O. Box 306 Fort Hall, Idaho 83203

May 2, 2014

Michael J. Lidgard, Manager NPDES Permits Unit Office of Water and Watersheds U.S. EPA Region 10 1200 Sixth Avenue Seattle, WA 98101 Phone: 208-239-4580 Fax: 208 -239-4592

Re: Shoshone-Bannock Tribes' Final CWA §401 Decision on National Pollutant Discharge Elimination System {NPDES) General Permit Number: IDG-37-0000, Small Suction Dredge Mining

Dear Mr. Lidgard :
The Shoshone-Bannock Tribes completed its review of the proposed final NPDES general permit IDR051000 Multi Sector General Permit (MSGP) for Storm Water Discharges Associated with Industrial Activity. This review was conducted in response to the request from the U.S
. Environmental Protection Agency to certify pursuant to Section 401 of the Clean Water Act (CWA) that there is reasonable assurance that the NPDES general permit will not violate applicable provisions of CWA Sections 301, 302, 303, 306, or 307 on lands within the Fort Hall Reservation. The Shoshone-Bannock Tribes conditioned 401Certification is enclosed. Ifyou have questions or would like to discuss this decision, please contact me at (208) 239-4580 or Candon Tanaka of my staff at (208) 239-4582.Sincerely,

Elese D. Teton, P.E
. Tribal Water Engineer Cc: Margaret McCauley, USEPA- 10 TWRC fileShoshone-Bannock Tribes Water Resources Department 

## Final § 

## 401 Water Quality Certification

May 2, 2014 

### NPDES Permit Number: IDR051000 Multi Sector General Permit (MSGP) for Storm Water Discharges Associated with Industrial Activity

Pursuant to the provisions of Section 401 (a)(l) of the Federal Water Pollution Control Act (Clean Water Act), as amended, 33 USC Section 134 1 (a)(l), the Shoshone-Bannock Tribes, Water Resources Department (SBT-WRD) has authority to review National Pollution Discharge Elimination System (NPDES) permits and issue a water quality certification decision. SBT-WRD certifies that if the applicant complies with the terms and conditions imposed by the permit number along with the conditions set forth in this water quality certification, then there is reasonable assurance the discharges will comply with the applicable requirements of Sections 301, 302, 303, 306 and 307 of the Clean Water Act, including the Shoshone-Bannock Tribes Water Quality Standards. 

### CONDITIONS THAT ARE NECESSARY TO ASSURE COMPLIANCE WITH WATER QUALITY STANDARDS Reporting

Copies of the following information must be sent to the SBT-WRD:

• Notice of Intents (NOI) • Monitoring data collected pursuant to section 6 .2 of the MSGP • Exceedance Reports The monitoring data and exceedance reports must be sent to the SBT-WRD within thirty (30) days of receipt of analytical results. Contact information for SBT-WRD:

Shoshone-Bannock Tribes Water Resources Department PO Box 306 Pima Drive Fort Hall, ID 83203 Phone: (208) 239-4582 Fax: (208) 239

-4592

### Stormwater Pollution Prevention Plan (SWPPP) Availability If requested by the SBT-WRD, the permittee must submit a copy of the SWPPP to SBT-WRD within fourteen (l4) days of the request. This certification is conditioned upon the requirement that any material modifications to the above referenced permit or permitted activities shall be provided to SBT-WRD for review to determine compliance with the Shoshone-Bannock Tribes Water Quality Standards and if necessary, provide additional certification pursuant to Clean Water Act Section 401. Questions or comments regarding the actions taken in this certification should be directed to Candon Tanaka, SBT-WRD, at (208) 239-4582 or ctanaka@sbtribes.com
.

Water Resources Department Dir ector