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TMDL Document for BIG SIOUX RIVER - INDIAN CREEK TO MOUTH
| TMDL ID: | 38212 | TMDL Name: | BIG SIOUX RIVER - INDIAN CREEK TO MOUTH | ||
| State/Tribe: | South Dakota | TMDL Date: | 02/01/2010 | ||
| EPA Action: | EPA Approved | Comments: | LOADS SHOWN REPRESENT THE LOADS DURING THE MOIST FLOW REGIME AS DEFINED BY THE LOAD DURATION CURVE FOR THE LOWER BIG SIOUX RIVER (SEE TABLE 16 OF THE TMDL). THE MOIST RANGE FLOWS ARE WHEN SIGNIFICANT DIFFERENCES OCCUR BETWEEN THE INSTREAM FLOWS AND THE WATER QUALITY TARGETS, AND REPRESENT THE FLOWS THAT ARE MOST LIKELY TO BE TARGETED FOR BMP IMPLEMENTATION. THE CITY OF AKRON, IA HAS A WASTEWATER TREATMENT FACILITY THAT DISCHARGES TO THIS STREAM SEGMENT. THE TSS LOAD FROM THIS FACILITY IS < 1.0 PERCENT OF THE TOTAL LOAD IN THIS SEGMENT AND IS CONSIDERED INSIGNIFICANT. THE WLA IS INCLUDED IN THE GROSS LOAD ALLOTMENT FOR IOWA. | ||
TMDL Documents
| Click on the underlined Document Type to retrieve the actual document in PDF format. | |
| Document Type | Comments |
|---|---|
| TMDL Report | |
TMDL Pollutant: Total Suspended Solids (TSS)
| Total Waste Load Allocation: | Total Load Allocation: | 357.2 | ||
| Explicit Margin Of Safety: | 39.7 TONS/DAY | Implicit Margin Of Safety: | N | |
| Units for Total Waste Load Allocation and Total Load Allocation: | TONS/DAY | TMDL Pollutant Source Type: | Nonpoint Source | |
| TMDL End Point: | 30-DAY AVERAGE < = 90 MG/L, AND DAILY MAXIMUM < = 158 MG/L. | |||
| Listed Water Causes of Impairment for Total Suspended Solids (Tss) Click on the underlined Waterbody ID for a Waterbody Report. Click on the underlined "Waterbody Map" literal for a map of the Assessment Unit. |
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| Waterbody ID | Waterbody Name | Map | Cycles Listed | Cause(s) of Impairment Addressed | |
|---|---|---|---|---|---|
| SD-BS-R-BIG_SIOUX_17 | Big Sioux River | Data Unavailable | 2002, 2004, 2006, 2008, 2010, 2012 | Total Suspended Solids (TSS) | |