Protecting Public Health and the Environment.

DEQ seeks comment on proposed plans to lower E. coli bacteria in Brownlee Flats tributaries

Wednesday, October 14, 2020

BOISE — The Idaho Department of Environmental Quality (DEQ) seeks public comment on proposed plans to address elevated Escherichia coli (E. coli) bacteria in several tributaries that drain into the Brownlee Reservoir below the Weiser Flats area.

These tributaries Jenkins Creek, Scott Creek, Warm Springs Creek, Hog Creek, Rock Creek, Little Rock and Henley Creeks.

Recent analyses reveal that E. coli levels exceed state water quality standards in these streams, which can pose health risks to people recreating in water.

Under the Clean Water Act, states are required to develop total maximum daily loads (TMDLs) when state water quality standards are not achieved. To comply with these requirements, DEQ prepared the draft Brownlee Reservoir Subbasin - Weiser Flats Total Maximum Daily Load - Bacteria, which defines maximum E. coli inputs from all sources that can occur while still meeting state water quality standards.

DEQ held several public meetings to consult with local stakeholders in the Weiser River Watershed Advisory Group and provided the opportunity to provide feedback on the draft TMDL. Recognizing there were limitations to hold in-person meetings due to the Covid-19 pandemic, DEQ seeks comment on the proposed draft TMDL that will be considered in the final draft of the Weiser Flats Bacteria TMDL.

The draft document recommends actions necessary to achieve state water quality standards in the impaired streams and recent E. coli monitoring data collected throughout the watershed.

These documents can be accessed on DEQ’s website (download at right) and hard copies can be mailed upon request. Contact the Boise Regional Office to request or review copies.

Submit written comments by November 13, 2020, at 5 p.m. MDT, on DEQ’s website or by mail or email to:

Lance Holloway
DEQ Boise Regional Office
1445 N. Orchard St.
Boise, ID 83706
Email: lance.holloway@deq.idaho.gov

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Media Contact

Surface Water Quality Manager
Lance Holloway
DEQ Boise Regional Office
1445 N. Orchard St.
Boise, ID 83706
(208) 373-0550
lance.holloway@deq.idaho.gov

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