Kentucky River Basin Asessment Report

Spears Cr. & Mocks Br.

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OVERVIEW

Geography. The Spears Creek & Mocks Branch watershed occupies northeastern Boyle County and part of southern Mercer County. The land is in the inner subregion of the Bluegrass physiographic region, characterized by undulating terrain and moderate rates of both surface runoff and groundwater drainage. Most of the watershed lies above thick layers of easily dissolved limestone that form carbonate aquifers. Groundwater flows through channels in the limestone, so caves and springs are common in regions with this geology. Some areas lie above interbedded limestones and shales (>20% limestone, allowing groundwater flow where the clay content is low enough).

Waterways. Spears Creek and Mocks Branch both empty into the Dix River (Herrington Lake) at Gwinn Island, northeast of Danville.

Land and water use. Land in the watershed is 92% agricultural, and most of the rest is residential or commercial (Spears Creek drains the northern half of Danville). Three businesses and organizations hold permits for discharges into the creeks. See tables for details.

Agency data assessment. No creeks were assessed in this watershed.

Watershed rankings. The ranking formula provides a preliminary ranking by synthesizing a broad spectrum of watershed characteristics, current conditions, and threats. This watershed ranks in the group with the lowest need for protection and/or restoration. This rating is for the watershed on average: particular sites and particular waters within the watershed may vary widely. See tables for details.

Volunteer data. No volunteer data were collected in this watershed in 1999.

TABLES

Click here to view tables for this watershed, in PDF format. These tables include land-use characteristics, designated uses, stream assessments, public water supply and water withdrawal sites, permitted discharge sites, gaging and sampling sites, volunteer data, and values for the 35 indicators used in calculating watershed rankings. (You need Adobe Acrobat Reader to view the tables: Adobe Systems will let you download a free copy.)

MAPS                    [You may click the maps below to view them close up.]

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