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OLS Field Name OLS Field Data
Main Title TMDLs for Segments Listed for Mercury in Fish Tissue for the Ouachita River Basin, and Bayou Bartholomew, Arkansas and Louisiana to Columbia.
CORP Author FTN Associates, Little Rock, AR.; Environmental Protection Agency, Dallas, TX. Region VI.
Year Published 2002
Stock Number PB2013-100704
Additional Subjects Mercury ; Ouachita River basin ; Fish tissue ; Waterbodies ; Fish consumption ; Water quality ; Land use
Holdings
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NTIS  PB2013-100704 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 07/24/2013
Collation 85p
Abstract The Arkansas and Louisiana 1998 Section 303(d) Lists include segments and subsegments in the Ouachita River basin that are impaired due to excess concentrations of mercury in fish. Additional waterbodies in the Ouachita River basin that are not included on the 1998 Section 303(d) List are subject mercury related fish consumption advisories. While there have been no known violations of the numeric mercury water quality standard and fishable designated use for these waterbodies, these segments and subsegments are not meeting the narrative water quality standard and designated uses of fishable water bodies. A basin-wide approach is being used in this TMDL due to similar ecoregions and watershed characteristics and because of similar causative factors such as atmospheric and geologic contributions. The Ouachita River basin is in the Ouachita Mountain, South Central Plain, and Mississippi Alluvial Plain ecoregions. It has gently rolling topography, with hilly uplands, flatwood uplands, terraces, and floodplains. Land use in the basin is 71% forest with 13% in wetlands. There is one NPDES point source with permit mercury limits in the basin. There are seven air emission point sources with permit mercury limits.
Supplementary Notes Sponsored by Environmental Protection Agency, Dallas, TX. Region VI.
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PUB Date Free Form 30 May 2002
Category Codes 99D; 68D; 48B
NTIS Prices PC A06
Document Type NT
Cataloging Source NTIS/MT
Control Number 111300020
Origin NTIS
Type CAT