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Surface Water - Alabama Department of Environmental Management

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Summary: BWC River Basins<br />

Table 5. List <strong>of</strong> impaired sub-watersheds.<br />

Sub-watershed 303(d)/<br />

TMDL<br />

Stream a<br />

Lowest<br />

Station<br />

Assessment<br />

Cahaba R (0315-0202)<br />

Suspected Cause(s)<br />

Suspected nonpoint source(s)<br />

050 Cahaba R. Poor Sedimentation, Nutrient<br />

enrichment<br />

Pasture grazing, Mining, Urban<br />

development<br />

070 Cahaba R. Fair/Poor Sedimentation, Nutrient Mining, Historical forestry<br />

enrichment, OE/DO<br />

150 Cahaba R. Fair Sedimentation Pasture grazing, Crop run<strong>of</strong>f,<br />

Forestry<br />

170 Cahaba R. TA Poor Pathogens, Sedimentation,<br />

Nutrient enrichment<br />

Pasture grazing, Aquaculture, Septic<br />

tank failure, Streambank erosion<br />

Mulberry Fork (0316-0109)<br />

010 Mulberry Fork Poor Sedimentation, Reduced flow,<br />

Unstable banks, Nutrient<br />

enrichment, OE/DO, Pathogens<br />

020 Duck Cr. TA Poor Reduced flow, sedimentation,<br />

DO/OE, Nutrient enrichment,<br />

Pathogens, Pesticides<br />

030 Brindley Cr. 303(d) Very poor Sedimentation, OE/DO, Nutrient<br />

enrichment, Pathogens, pH,<br />

Reduced flow<br />

040 Eightmile Cr. TA<br />

303(d)<br />

050 Broglen R. TA<br />

303(d)<br />

Fair<br />

Poor<br />

Pathogens, Sedimentation,<br />

Nutrient enrichment, OE/DO<br />

Sedimentation, Other habitat<br />

alteration OE/DO, Nutrient<br />

enrichment, Pathogens<br />

080 Thacker Cr. TA Poor Pathogens, Ammonia, Nutrient<br />

enrichment, OE/DO,<br />

Sedimentation, Other habitat<br />

alteration<br />

Animal husbandry, Crop run<strong>of</strong>f,<br />

Pasture grazing, Forestry<br />

Animal husbandry, Crop run<strong>of</strong>f,<br />

Pasture grazing, Forestry<br />

Animal husbandry, Crop run<strong>of</strong>f,<br />

Pasture grazing, Forestry,<br />

Development<br />

WWTP, Urban run<strong>of</strong>f, Animal<br />

husbandry, Pasture grazing, Crop<br />

run<strong>of</strong>f, Forestry<br />

WWTP, Urban run<strong>of</strong>f, Animal<br />

husbandry, Pasture grazing, Crop<br />

run<strong>of</strong>f, Forestry<br />

Animal husbandry, Pasture grazing,<br />

Forestry<br />

100 Sloan Cr. Poor OE/DO, Nutrient enrichment, Forestry, Septic tank failure<br />

Sedimentation<br />

110 Dorsey Cr. Poor Sedimentation, OE/DO, Nutrient<br />

enrichment<br />

Animal husbandry, Pasture grazing,<br />

Mining, Forestry<br />

120 Splunge Cr. Fair Sedimentation Septic tank failure, Pasture grazing,<br />

Animal production, Forestry<br />

130 Blackwater Cr. Poor Sedimentation, pH Animal husbandry, Mining, Pasture<br />

grazing, Forestry, Septic tank failure<br />

170 Lost Cr. 303(d) Poor Sedimentation, OE/DO, Metals, Mining, Forestry, Septic tank failure<br />

pH, Other habitat alteration<br />

180 Wolf Cr. Poor Sedimentation, Other habitat Mining, Forestry<br />

alteration, pH, OE/DO<br />

190 Baker Cr. Poor Sedimentation Mining, Forestry, Septic tank failure<br />

a. 303(d): curently on ADEM’s 2002 §303(d) list <strong>of</strong> impaired waters; TA: approved TMDL<br />

54

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