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Montana DEQ Seeks Water Quality Data

DEQState and federal law require the Montana Department of Environmental Quality (DEQ) to maintain and regularly update the State's list of “threatened and impaired waters.” Monitoring teams will collect data during field seasons to update the water quality assessments of a number of waterbodies for the 2016 update. The DEQ is requesting physical, chemical, and biological data relating to the current condition of streams, rivers, lakes, and reservoirs in the state that other organizations have acquired since 2010. Data and information relating to the use and condition of riparian areas may also be relevant. Montana law requires DEQ to base its water quality assessments on data, which is "sufficient and credible" to allow for a determination of whether State water quality standards are being met.

Electronic data may be uploaded to Montana EQuIS Water Quality Exchange (MT-eWQX) by following the instructions contained in this document: MT-eWQX Guidance Manual - Call for Data. The DEQ staff would also like to be informed of other sources of information, such as water quality-related documents that could assist in the process. The deadline for submittal of water quality data and other materials is April 1, 2015. All materials received on or before April 1, 2015 will be reviewed in developing the 2016 305(b)/303(d) Water Quality Integrated Report.

If you have questions about the process, contact Pamela Arroues, MT DEQ Integrated Report Coordinator, at parroues@mt.gov or (406) 444-6763.

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