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Photo of Fivemile Creek.

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Watershed Restoration & Protection Studies (319 Monitoring) - 20 Mile/Donivan Creek Watershed

Partners:
- Mississippi Department of Environmental Quality (MDEQ)
- Mississippi Soil and Water Conservation Commission
- U.S. Department of Agriculture - Natural Resources Conservation Service (USDA-NRCS)
Period of Project: March 2009-Present

Introduction

The primary pollutant in the Twentymile/Donivan Creek watershed is suspended sediment. Casey Creek is part of the Twentymile/Donivan Creek watershed, located in Prentiss County, MS. The Mississippi Soil and Water Conservation Service used MDEQ 319 funding to implement BMPs in various areas within the Twentymile/Donivan Creek watershed, including targeted sediment control BMPs on a tributary of Casey Creek. The primary purpose of monitoring is to document changes in suspended-sediment concentrations and loads that occur in the tributary of Casey Creek before and after best management practices (BMPs) are installed. Monitoring encompasses the collection of stream flow, suspended-sediment concentration, and precipitation data to evaluate effects of restoration and remediation efforts.

Bee Lake study area map showing location of two monitoring sites.

Bee Lake study area map showing location of two monitoring sites.



Photo 1. BMP installed at Bee Lake Tributary Number 1 near Thornton, MS.

Photo 1. BMP installed at Bee Lake Tributary Number 1 near Thornton, MS.



Photo 2. Looking downstream from BMP at Bee Lake Tributary Number 1 near Thornton, MS.

Photo 2. Looking downstream from BMP at Bee Lake Tributary Number 1 near Thornton, MS.



Photo 3. Bee Lake near Thornton, MS.

Photo 3. Bee Lake near Thornton, MS.



Monitoring Locations

Monitoring efforts include collection of data at two primary locations: a lake site and a runoff site. At the lake site, monitoring efforts included real-time monitoring of temperature, specific conductance, and turbidity. At the runoff site, monitoring efforts include collection of stream flow data, automated water-quality samples, and precipitation data. The lake site monitoring has been discontinued. Sediment control BMPs were installed prior to monitoring at the runoff location; therefore, no pre-BMP data were collected. However, data collected post-BMP will be compared to other similar watersheds with conventional practices. In addition, nutrient BMPs are planned for the near future in this area, and nutrient data collection will be added at this site.

1. Bee Lake Tributary Number 1 near Thornton, MS
USGS Site Number: 330304090210100
Lat 33° 03' 04"
Long 90° 21' 01"
Site Duration: July 8, 2007-Present

2. Bee Lake near Thornton, MS
USGS Site Number: 330359090194135
Lat 33° 03' 59"
Long 90° 19' 41"
Site Duration: October 2005 - February 2008

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URL: http://ms.water.usgs.gov/projects/319/20MileDonivanCreek.html
Page Last Modified: Monday, 24-Oct-2011 16:08:20 EDT