Watershed advisory groups (WAGs) are comprised of interested citizens who provide local public input and guidance to DEQ during the development of water quality improvement plans or total maximum daily loads (TMDLs) for water bodies that fail to meet water quality standards. TMDLs are designed to reduce the levels of pollutants, such as bacteria and sediment, in impaired water bodies.
Content on this page is provided for informational purposes while the WAGs and DEQ work to develop a water quality improvement plan or TMDLs for water bodies in the watershed found to be not fully supporting beneficial uses.
Big Payette Lake
The Big Payette Lake Water Quality Council, formed in 1997, works on behalf of the Big Payette Lake Water Quality Act, Idaho Code § 39-6601. This act established the Big Payette Lake Management Plan that implements actions to protect and enhance the lake’s water quality. In addition to the council, the Big Payette Lake Watershed Advisory Group (WAG) was re-established in January 2025 to assist DEQ with implementing the State Water Quality Protection Program under Idaho Code § 39-3601. At minimum, the WAG requested assistance on amending the 1998 Implementation Plan to include an additional study of Big Payette Lake. This study will evaluate nearshore water quality impacts; investigate the existing mercury impairment affecting beneficial uses (recreation and aquatic life); and identify additional management actions needed to protect the lake’s beneficial uses, human health, and the overall water quality of lake as the source water for the City of McCall’s public water system.
Additional Information
- Meeting Minutes
- Valley County Groundwater Quality Improvement and Drinking Water Source Protection Plan
- Request previous meeting records using our Public Records Request form
Boise-Mores Creek
The Boise-Mores Creek WAG was formed in 2006 and met through October 2007. The Boise-Mores Creek Watershed Subbasin Assessment and Total Maximum Daily Loads document was developed and initially submitted to EPA for review in June 2009. The document was revised in December 2009, resubmitted to EPA, and subsequently approved by EPA in February 2010.
A temperature revision of the 2010 TMDL is currently in development. WAG meetings are anticipated to take place starting Spring 2025.
Additional Information
- Review Documents
- Request previous meeting records using our Public Records Request form
Five-Ten-Fifteen Mile Creek
The Fifteen Mile Creek WAG was formed to develop and implement TMDLs to improve water quality in Fifteen Mile Creek. DEQ will consult with WAG participants on a regular basis throughout the TMDL development and/or 5-year review process.
Sediment and Bacteria TMDLs
The sediment and bacteria TMDLs will be combined into a single, comprehensive lower Boise River tributary TMDL process, which will be completed in cooperation with the lower Boise Watershed Council. For updates, go to the Lower Boise River WAG accordion below.
Additional Information
- Review Documents
- Request previous meeting records using our Public Records Request form
Indian Creek
The Indian Creek WAG was formed to develop and implement TMDLs to improve water quality in Indian Creek. DEQ will consult with WAG participants on a regular basis throughout the TMDL development and/or 5-year review process.
Sediment and Bacteria TMDLs
The sediment and bacteria TMDLs will be combined into a single, comprehensive lower Boise River tributary TMDL process, which would be completed in cooperation with the lower Boise Watershed Council.
Additional Information
- Sediment Information
- Scientific Research
- Review Documents
- Request previous meeting records using our Public Records Request form
Jordan Creek
The Jordan Creek Watershed Advisory Group (WAG) was initially formed while developing the Jordan Creek Subbasin Assessment and Total Maximum Daily Load. This total maximum daily load (TMDL) document was submitted to EPA in 2010 to approve temperature, sediment, and mercury load allocations. In 2011, EPA approved the temperature and sediment TMDLs but not the mercury TMDLs. DEQ is currently working with EPA and the Jordan Creek WAG to revise the mercury TMDLs to protect Idaho’s water quality and downstream water quality in Oregon.
Additional Information
- Request previous meeting records using our Public Records Request form
Little Salmon River
The Little Salmon River Subbasin Assessment and Total Maximum Daily Load was approved by EPA in March 2006. In 2008, the Little Salmon River TMDL Implementation Plan was developed by land management agencies and private landowners. A 5-year review completed in 2012 concluded that overall conditions in the subbasin were static or improving and no changes to existing TMDLs were recommended. However, data presented in the review showed that East Branch Goose Creek (ID17060210SL010_04) exceeded state water quality standards for bacteria and impaired water quality in Mud Creek (ID17060210SL008_03) due to sediment from streambank erosion. In 2013, EPA approved an addendum to the Little Salmon River subbasin assessment and TMDL.
The Little Salmon River WAG was initially formed in May 2004 and met throughout the development of multiple TMDLs, 5-year reviews, and implementation plans within the Little Salmon River subbasin. The WAG has not officially met since 2016 but will reconvene in spring 2023 to assist in developing a 5-year review and advise DEQ on all waters within HUC 17060210. DEQ will present information and seek advice from WAG and interested stakeholders in public meetings. Materials related to the TMDL review process, including public meeting dates, meeting agendas and minutes, reports, and other documents will be publicly available through this website.
Additional Information
- Request previous meeting records using our Public Records Request form
Lower Boise River
The Lower Boise River WAG was formed to develop and implement TMDLs to improve water quality in the Lower Boise River. DEQ will consult with WAG participants on a regular basis throughout the TMDL development and/or 5-year review process.
Additional Information
- Lower Boise Watershed Council website
- Request previous meeting records using our Public Records Request form
Lower Payette River
The Lower Payette River WAG was formed in 1995. The Lower Payette River Subbasin Assessment and Total Maximum Daily Load was developed, submitted to EPA for review, and subsequently approved by EPA in May 2000. An additional TMDL was developed and approved by EPA in October 2003 (Bissel Creek). An addendum was approved in July 2008. A 5-year review was completed in February 2010.
Additional Information
- Review Documents
- Technical reports and scientific literature
- Request previous meeting records using our Public Records Request form
Mason Creek
The Mason Creek WAG was formed to develop and implement TMDLs to improve water quality in Mason Creek. DEQ will consult with WAG participants on a regular basis throughout the TMDL development and/or 5-year review process.
Sediment and Bacteria TMDLs
The sediment and bacteria TMDLs will be combined into a single, comprehensive lower Boise River tributary TMDL process, which would be completed in cooperation with the lower Boise Watershed Council. For updates, view the Lower Boise River accordion.
Additional Information
- Review documents
- Request previous meeting records using our Public Records Request form
Middle Snake/Succor Creek
The Middle Snake/Succor Creek WAG was formed to develop and implement TMDLs to improve water quality in the Middle Snake and Succor Creek. DEQ will consult with WAG participants on a regular basis throughout the TMDL development and/or 5-year review process.
Additional Information
- Review Documents
- Technical reports and scientific literature
- Request previous meeting records using our Public Records Request form
North and Middle Fork Owyhee
The North & Middle Fork Owyhee WAG was formed to develop and implement TMDLs to improve water quality in the North & Middle Fork Owyhee. DEQ will consult with WAG participants on a regular basis throughout the TMDL development and/or 5-year review process.
Additional Information
- Request previous meeting records using our Public Records Request form
North Fork Payette River
The North Fork Payette River WAG was formed in 2014. The North Fork Payette River Subbasin Assessment and Total Maximum Daily Load was developed, submitted to EPA for review, and subsequently approved by EPA in August 2005. A 5-year review was completed in February 2012.
Additional Information
- Request previous meeting records using our Public Records Request form
Upper Owyhee
The Upper Owyhee WAG was formed to develop and implement TMDLs to improve water quality in the Upper Owyhee. DEQ will consult with WAG participants on a regular basis throughout the TMDL development and/or 5-year review process.
Additional Information
- Request previous meeting records using our Public Records Request form
Sand Hollow Creek
The Sand Hollow Creek WAG was formed to develop and implement TMDLs to improve water quality in Sand Hollow Creek. DEQ will consult with WAG participants on a regular basis throughout the TMDL development and/or 5-year review process.
Sediment and Bacteria TMDLs
The sediment and bacteria TMDLs will be combined into a single, comprehensive lower Boise River tributary TMDL process, which would be completed in cooperation with the lower Boise Watershed Council. For updates, go to the Lower Boise River WAG accordion.
Additional Information
- Review Documents
- Request previous meeting records using our Public Records Request form
South Fork Boise
The South Fork Boise River WAG was formed in 2007 and met through October 2009. The South Fork Boise River Subbasin Assessment, Total Maximum Daily Load, and Five-Year Review document was developed, submitted to EPA for review in January 2009, and subsequently approved by EPA in March 2009.
Additional Information
- Review documents
- Request previous meeting records using our Public Records Request form
Weiser River
The Weiser River Watershed Subbasin Assessment and Total Maximum Daily Load was developed, submitted to EPA for review, and subsequently approved by EPA in January 2007. An addendum was approved in January 2007.
Additional Documents
- Review documents
- Request previous meeting records using our Public Records Request form
Willow Creek
The Willow Creek WAG was formed to develop and implement TMDLs to improve water quality in Willow Creek. DEQ will consult with WAG participants on a regular basis throughout the TMDL development and/or 5-year review process.
Sediment and Bacteria TMDLs
The sediment and bacteria TMDLs will be combined into a single, comprehensive lower Boise River tributary TMDL process, which would be completed in cooperation with the lower Boise Watershed Council. For updates, go to the Lower Boise River accordion.
Additional Information
- Review documents
- Sediment information
- Request previous meeting records using our Public Records Request form
Black Lake
The Black Lake WAG was formed in 2009 to develop and implement a nutrient TMDL to improve water quality in Black Lake. The Black Lake Watershed Assessment and Total Maximum Daily Load was developed in conjunction with EPA and the Coeur d’Alene Tribe, with the goal of producing one TMDL protective of both reservation and state waters. The document was approved by EPA in 2011.
Additional Information
- Request previous meeting records using our Public Records Request form
Coeur d’Alene Lake Tributaries
The Coeur d’Alene Lake Tributaries watershed includes the Coeur d’Alene River downstream from Cataldo, its respective tributaries, and all tributaries to Lake Coeur d’Alene except the St. Joe and St. Maries Rivers. The Coeur d’Alene Lake Tributaries WAG and DEQ are planning and implementing water quality improvement projects to achieve targets set by existing TMDLs for sediment and metals in the subbasin. Additionally, TMDLs addressing temperature and metals are under development for water bodies in the subbasin that do not fully support beneficial uses.
Additional Information
- Meeting materials, agendas, and resources.
- Review documents
- Request previous meeting records using our Public Records Request form
Fish Creek
The Fish Creek WAG was formed to develop and implement TMDLs to improve water quality in the Fish Creek watershed, which is contained within the Upper Spokane Subbasin. The Upper Spokane River Subbasin Assessment and Total Maximum Daily Loads developed in 2000 did not directly address excess pollutant loads within the Fish Creek watershed. Therefore, a separate document, entitled Fish Creek Watershed Assessment and Total Maximum Daily Loads, was developed in January 2007, submitted to public comment in early 2008, and approved by EPA in June 2008. An implementation plan is under development.
Additional Information
- Review Documents
- Request previous meeting records using our Public Records Request form
Kootenai Bay
The Kootenai Bay Watershed Advisory Group (WAG) comprises citizens from diverse interests dedicated to improving and protecting water quality in Kootenai Bay, Lake Pend Oreille. The area of interest affecting water quality in Kootenai Bay includes the adjacent landscape with the potential to produce stormwater runoff/snowmelt directly into Kootenai Bay and the Boyer Slough watershed.
Additional Information
- Previous meeting documents
- Request previous meeting records older than 5 years using our Public Records Request form
Kootenai and Moyie Rivers
The Kootenai Valley Resource Initiative members served as the WAG for the development of this TMDL. The Assessment of Water Quality in Kootenai River and Moyie River Subbasins (TMDL) was developed by DEQ, EPA, and the Kootenai Tribe of Idaho in 2006. The document was submitted to public comment and approved by EPA in January 2007. Subsequent documentation on likely causes of impairment was issued in 2009.
Additional Information
- Review additional documents
- Request previous meeting records using our Public Records Request form
2009 Stressor Identification
| Stream Name | Assessment Unit | Likely Cause of Impairment |
|---|---|---|
| 1st and 2nd order tributaries to Kootenai River between Shorty’s Island and Canadian border | ID17010104PN001_02 | Flow, habitat alteration, and possibly sediment |
| Grass Creek headwaters and tributaries | ID17010104PN003_02 | Flow alteration, temperature, and sediment |
| Parker Creek lower section located in Kootenai River valley (Ag area) | ID17010104PN009_03 | Habitat alteration and sediment |
| Trout Creek lower section located in Kootenai River valley (Ag area) | ID17010104PN010_03a | Habitat alteration and sediment |
| Ball Creek lower section located in Kootenai River valley (Ag area) | ID17010104PN011_02a | Habitat alteration and sediment |
| Dodge Creek from South Fork Dodge Creek to McArthur Lake | ID17010104PN024_03 | Habitat alteration and sediment |
| Brown Creek from confluence with Twentymile Creek to Deep Creek | ID17010104PN027_03 | Flow, habitat alteration, and sediment |
| Lower Cow Creek (Cow Creek near Bonners Ferry) | ID17010104PN030_03 | Sediment, lack of flow, temperature |
| Boulder Creek | ID17010104PN033_03 | Temperature (if condition exists) |
| Brush Creek | ID17010104PN039_02 | Flow alteration and temperature |
| Meadow Creek | ID17010105PN012_02 | Sediment, possibly temperature, fish barriers, and heavy metal toxicity |
Lower Clark Fork River
The Lower Clark Fork River WAG was formed to develop and implement total maximum daily loads (TMDLs) to improve water quality in the Lower Clark Fork River Subbasin. The WAG is currently meeting to consult on the Lower Clark Fork Temperature TMDL.
Additional Information
- Request previous meeting records using our Public Records Request form
North Fork Coeur d’Alene River
The North Fork Coeur d’Alene River WAG and DEQ are planning and implementing water quality improvement projects to achieve targets set by existing TMDLs for sediment, temperature, and metals in the subbasin.
Additional Information
- Review Documents
- Request previous meeting records using our Public Records Request form
Pend Oreille River and Tributaries
All of these documents are considered draft and are subject to change. The goal of providing these documents at WAG meetings and on this web page is to ensure citizens have the opportunity to provide input as the documents are developed.
April 2011 Update: DEQ’s technical analysis and regulatory review of the Idaho portion of Pend Oreille Temperature TMDL has been on hold since February 2008. Since then, the US Army Corps of Engineers has modified its modeling process and provided DEQ a US Geological Survey peer-reviewed report of its findings. Although the Corps’ modeling outputs are not directly comparable to those selected by DEQ, they seem similar. Rather than the continuing debate over modeling processes, DEQ will perform load duration analyses on both data sets as resources become available. DEQ intends to reconvene the WAG to review preliminary load duration analysis findings and obtain comment and will provide the findings to EPA for TMDL development.
Additional Information
- Review Documents
- Request previous meeting records using our Public Records Request form
Priest River Subbasin
The Priest River Subbassin WAG and DEQ are planning and implementing water quality improvement projects to achieve targets set by existing TMDLs for sediment, and temperature in the subbasin.
Currently, DEQ is compiling water quality data for a beneficial use assessment in Priest Lake and Upper Priest Lake. Contact DEQ’s Coeur d’Alene Regional Office with questions or to inquire about participating in the WAG. Meeting announcements and other WAG materials will be posted on this web page.
South Fork Coeur d’Alene River
The South Fork Coeur d’Alene River WAG is not part of the Superfund cleanup, although many of the water quality issues are related. Many groups, such as the Basin Environmental Improvement Project Commission, address the Superfund cleanup of metals. Instead, the WAG will focus primarily on other water quality concerns such as sediment and temperature.
DEQ developed the South Fork Coeur d’Alene River Sediment Subbasin Assessment and Total Maximum Daily Load that was approved by EPA in August 2003. The South Fork Coeur d’Alene River WAG and DEQ will plan and implement water quality improvement projects to achieve targets set by the existing TMDLs. Additionally, TMDLs addressing temperature will be developed for waterbodies in the subbasin not fully supporting beneficial uses.
Currently, DEQ is compiling water quality data and talking with people who may be interested in participating in the WAG. If you are interested in participating or have questions, contact the watershed coordinator. Meeting announcements and other WAG materials will be posted on this web page.
Note: Content on this page is provided for informational purposes as the WAG and DEQ develop and implement water quality plans for the South Fork Coeur d’Alene River watershed. All review documents are considered draft and are subject to change. The goal of providing these documents at WAG meetings and on this webpage is to ensure citizens have an opportunity to provide input as the documents are developed.
Additional Information
Spokane River
The Upper Spokane River WAG was formed to develop and implement total maximum daily loads (TMDLs) to improve water quality in the Upper Spokane River Subbasin. The WAG began meeting in 2016 to consult on the Spokane River Metals TMDL.
Additional Information
- Previous meeting documents
- Meeting and supporting documents
- Request previous meeting records using our Public Records Request form
The Idaho Falls Regional Office encompasses 17 4th-field hydrologic unit codes (4th-field HUCs). The rural and federally managed portions of the region often do not have all nine nonpoint source sectors required in Idaho Code for a WAG. Instead, DEQ partners with nonprofit groups to support the Water Quality Division’s TMDL water quality improvement plans. These partners support DEQ’s WAG efforts and offer opportunities for all nine sectors to participate in review and comment opportunities.
Clearwater River Upper Tributaries
Watershed Advisory Groups (WAGs) are groups of citizens that provide DEQ with local public input and guidance regarding specific watersheds. WAGs advise DEQ on the development of water quality improvement plans called Total Maximum Daily Loads (TMDLs), and provide guidance on how to implement water quality improvements in these watersheds. WAGs also advise DEQ during periodic checkups on TMDLs. Idaho Code § 39-3611(7) requires DEQ to review approved TMDLs every five years to evaluate if assumptions, analyses, targets, and loads developed in TMDLs are still appropriate, or changes are needed.
This WAG was formed to advise DEQ on water quality management in the Jim Ford, Orofino Creek, and Lolo Creek watersheds. The WAG will advise DEQ on the development of TMDLs and provide guidance on how to implement water quality improvements in these watersheds. In 2025-2026, DEQ is reviewing the Jim Ford TMDL (2000) and Lolo Creek TMDL (2011) and implementing a subbasin assessment of Orofino Creek and Lolo Creek Assessment Units. Materials related to the TMDL review process, including public meeting dates, meeting agendas and minutes, reports, and other documents will be publicly available through this website.
Additional Information
- Review documents and resources
- Request previous meeting records using our Public Records Request form
Lindsay Creek, Hatwai Creek, and Tammany Creek
Watershed Advisory Groups (WAGs) are groups of citizens that provide DEQ with local public input and guidance regarding specific watersheds. WAGs advise DEQ on the development of water quality improvement plans called Total Maximum Daily Loads (TMDLs), and provide guidance on how to implement water quality improvements in these watersheds. WAGs also advise DEQ during periodic checkups on TMDLs. Idaho Code § 39-3611(7) requires DEQ to review approved TMDLs every five years to evaluate if assumptions, analyses, targets, and loads developed in TMDLs are still appropriate, or changes are needed.
This WAG was formed to advise DEQ on water quality management in Lindsay Creek, Hatwai Creek, and Tammany Creek. The WAG advised DEQ on the development of water quality improvement plans called TMDLs and provided guidance on how to implement water quality improvements in these watersheds. In 2018-2019, DEQ is reviewing the Lindsay Creek and Hatwai Creek TMDLs. This page provides information for the WAG and the general public relevant to the TMDL review process.
Additional Information
- Previous meeting document
- Review documents and resources
- Request previous meeting records using our Public Records Request form
Lower North Fork Clearwater River
Watershed Advisory Groups (WAGs) are groups of citizens that provide DEQ with local public input and guidance regarding specific watersheds. WAGs advise DEQ on the development of water quality improvement plans called Total Maximum Daily Loads (TMDLs), and provide guidance on how to implement water quality improvements in these watersheds. WAGs also advise DEQ during periodic checkups on TMDLs. Idaho Code § 39-3611(7) requires DEQ to review approved TMDLs every five years to evaluate if assumptions, analyses, targets, and loads developed in TMDLs are still appropriate, or changes are needed.
This WAG was re-established in 2025 to provide guidance, oversight, and public input for the review and potential revision of TMDLs applicable to the Lower North Fork Clearwater River watershed (HUC 17060308). It is anticipated that this process will take place from 2025 through 2027. The WAG last convened in 2013 for an addendum to the TMDL which added temperature TMDLs to 12 assessment units. Materials related to the TMDL review process, including public meeting dates, meeting agendas and minutes, reports, and other documents will be made publicly available through this website.
Additional Information
South Fork Clearwater River
Watershed Advisory Groups (WAGs) are groups of citizens that provide DEQ with local input and guidance regarding specific watersheds. WAGs advise DEQ on the development of water quality improvement plans called Total Maximum Daily Loads (TMDLs) and provide guidance on how to implement water quality improvements. WAGs also advise DEQ during periodic checkups on TMDLs. Idaho Code § 39-3611(7) requires DEQ to review approved TMDLs every five years to evaluate if assumptions, analyses, targets, and loads developed in TMDLs are still appropriate, or changes are needed.
The 2000 Cottonwood Creek 2004 South Fork Clearwater River TMDLs were developed to address impaired waters within the South Fork Clearwater River Basin (Hydrologic Unit Code 17060305) (Figure 1). Because these TMDLs addressed waters within the Nez Perce Reservation, they were developed under a memorandum of agreement (MOA) between DEQ, the Nez Perce Tribe, and the US Environmental Protection Agency. Separate WAGs were formed to support the development of the Cottonwood Creek TMDLs and South Fork Clearwater TMDLs, but there was considerable overlap of WAG members.
Beginning in 2020, DEQ will form a WAG to advise DEQ during the TMDL review process required by Idaho Code §39-3611(7) and advise DEQ on all waters within HUC 17060305. DEQ will present information and seek advice from the WAG and interested stakeholders in public meetings. Materials related to the TMDL review process, including public meeting dates, meeting agendas and minutes, reports, and other documents will be publicly available through this website.
Additional Information
- Review documents and resources
- Request previous meeting records using our Public Records Request form
DEQ is developing a public database of water quality data collected in the South Fork Clearwater watershed, the SF-CLEAR database. The database is intended to promote monitoring coordination among agencies and facilitate stakeholder data access during the WAG process. The database is a work in progress and will be periodically updated during the WAG process. The current draft version of the SF-CLEAR database can be accessed using an online dashboard.
Blackfoot River
The Blackfoot River WAG was created to develop and implement a TMDL to improve water quality in the Blackfoot River Subbasin. The Blackfoot River TMDL: Waterbody Assessment and Total Maximum Daily Load was approved by EPA in April 2002, followed by an addendum addressing temperature in Brush Creek that was approved by EPA in 2007. The WAG met in 2008 and 2009 to conduct a 5-year review of subbasin documents.
Additional Information
- Background documents
- Request previous meeting records using our Public Records Request form
Portneuf River and Tributaries
The Portneuf River & Tributaries WAG was formed to develop and implement TMDLs to improve water quality in the Portneuf River Subbasin. A water body assessment and TMDL document was developed in 1999, followed by a supplement and implementation plan in 2001 and 2003. The WAG met from November 2006 to December 2008 to develop a revision and addendum, which was submitted to and subsequently approved by EPA in August 2010.
Additional Information
- Review documents
- Request previous meeting records using our Public Records Request form
Wood River
The Wood River WAG was originally created in 1995 as an outgrowth of Senate Bill 1284 (“WAG-BAG Law”). The primary purpose and concern was to provide input to DEQ and EPA in restoring the beneficial uses and water quality standards of the Big Wood River, the Little Wood River, the Camas Creek and their major tributaries.
The Wood River WAG encompasses three major subbasins: the Big Wood River Subbasin, the Little Wood River Subbasin, and the Camas Creek Subbasin. From this group and in cooperation with DEQ have come the Big Wood River TMDL (approved 2002), the Little Wood River TMDL (2005) and the Camas Creek TMDL (2005). The WAG has stakeholder industries that represent irrigation agriculture, confined animal feeding operations, food processors, municipalities, grazing, recreation and forestry. Groundwater is also a concern to the WAG and is also included in the approved TMDLs.
Currently, the WAG meets quarterly (or as needed) and continues to provide input to DEQ and EPA on TMDL issues and other water quality related issues. Content on this page is provided for informational purposes while the Wood River WAG and DEQ work to conduct a five-year review of the Little Wood River Subbasin Assessment, TMDL, and Implementation Plan.
Additional Information
- Additional documents
- Request previous meeting records using our Public Records Request form
Lake Walcott
The Mid-Snake WAG was originally created in the late 1980s as an outgrowth of the Mid-Snake Study Group that met representing stakeholder industries of the Upper Snake Rock and Lake Walcott subbasins. The primary purpose and concern was to provide input to DEQ and EPA in restoring the beneficial uses and water quality standards of the Snake River and major tributaries. From this group came the draft Mid-Snake Nutrient Management Plan in 1995; this became the Mid-Snake TMDL in 1997. In 1995, the Mid-Snake WAG was divided into two groups, the Mid-Snake WAG representing the Upper Snake Rock Subbasin, and the Lake Walcott WAG, representing the Lake Walcott Subbasin, the separation being at Milner Dam. The outgrowth of this was the Upper Snake Rock TMDL and the Lake Walcott TMDL, both in 2005. Both WAGs have stakeholder industries that represent irrigation agriculture, aquaculture, confined animal feeding operations, food processors, municipalities, grazing, recreation, and forestry. Ground water is also a concern to both WAGs and is also included in the approved TMDLs.
Currently, both WAGs meet quarterly (or as needed) and both continue to provide input to DEQ and EPA on TMDL issues and other water quality-related issues. Content on this page is provided for informational purposes while the Lake Walcott WAG and DEQ work to conduct a 5-year review of the Goose Creek Subbasin Assessment, TMDL, and Implementation Plan. Through this cooperative effort and continued public involvement, DEQ’s goal is to develop a comprehensive plan aimed at restoring all beneficial uses within the watershed.
Additional Information
- Resource Documents
- Request previous meeting records using our Public Records Request form
Middle Snake River
The Middle Snake River Watershed Advisory Group (WAG) was created in 1995 as an outgrowth of House Bill 1284 (WAG-BAG Law). The primary purpose and concern was to provide input to DEQ and EPA in restoring the beneficial uses and water quality standards of the Snake River, Rock Creek, and their major tributaries. The Middle Snake River WAG encompasses one major subbasin, the Upper Snake Rock Subbasin. From this group, and in cooperation with DEQ, have come the Middle Snake River Watershed Management Plan (approved 1997), the Upper Snake Rock Watershed Management Plan (2000), and the Upper Snake Rock TMDL Modification (2005). The WAG includes stakeholders from various industries, such as irrigation agriculture, confined animal feeding operations, food processors, aquaculture, municipalities, grazing, recreation, and forestry. Groundwater is also a concern to the WAG and is included in the approved TMDLs.
Currently, the WAG meets quarterly (or as needed) and continues to provide input to DEQ and EPA on TMDL issues and other water quality-related issues. The content on this page is provided for informational purposes. At the same time, the Middle Snake River WAG and DEQ are working to conduct a five-year review of the Middle Snake River Subbasin Assessment, TMDL, and Implementation Plan.
Additional Information
- Supporting Documents
- Request previous meeting records using our Public Records Request form