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OLS Field Name OLS Field Data
Main Title Total Maximum Daily Load (TMDL) for Fecal Coliform in the Waters of Pederson Hill Creek in Juneau, Alaska.
CORP Author Alaska State Dept. of Environmental Conservation, Anchorage.; Environmental Protection Agency, Seattle, WA. Region X.
Year Published 2008
Stock Number PB2008-112013
Additional Subjects Water quality ; Coliform bacteria ; Water sampling ; Streamflow ; Water pollution monitoring ; Surface waters ; Data inventory ; Data analysis ; Implementation ; Monitoring ; Load allocation ; Wasteload allocation ; Critical conditions ; Seasonal variation ; Total Maximum Daily Load (TMDL) ; Pederson Hill Creek ; Designated use impacts ; Juneau (Alaska)
Library Call Number Additional Info Location Last
NTIS  PB2008-112013 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 03/10/2010
Collation 35p
Abstract Pederson Hill Creek (also known as Casa Del Sol Creek) is located in the Mendenhall Valley approximately 10 miles northwest of downtown Juneau in southeast Alaska. The state of Alaska included Pederson Hill Creek on its 2006 303(d) list as water quality-limited due to fecal coliform with septic tanks listed as the expected pollutant source. A Total Maximum Daily Load (TMDL) is established in this document to meet the requirements of Section 303(d)(1)(C) of the Clean Water Act and the U.S. Environmental Protection Agency's (EPA) implementing regulations (40 CFR Part 130), which require the establishment of a TMDL for the achievement of water quality standards when a waterbody is water quality-limited. A TMDL is composed of the sum of individual waste load allocations (WLAs) for point sources and load allocations (LAs) for nonpoint sources and natural background loads. In addition, the TMDL must include a margin of safety (MOS), either implicitly or explicitly, that accounts for the uncertainty in the relationship between pollutant loads and the quality of the receiving waterbody. A TMDL represents the amount of a pollutant the waterbody can assimilate while maintaining compliance with applicable water quality standards. Applicable water quality standards for fecal coliform in Pederson Hill Creek establish water quality criteria for the protection of designated uses for water supply, water recreation, and growth and propagation of fish, shellfish, other aquatic life, and wildlife. The TMDL is developed for the most stringent of these the fecal coliform criteria for drinking, culinary, and food processing water supply that state that in a 30-day period, the geometric mean may not exceed 20 FC/100 mL, and not more than 10 percent of the samples may exceed 40 FC/100 mL (18 AAC 70 (1)(A)(i)).
Supplementary Notes Sponsored by Environmental Protection Agency, Seattle, WA. Region X.
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PUB Date Free Form Feb 2008
Category Codes 48G; 68D
NTIS Prices PC A04
Document Type NT
Medium Final rept
Cataloging Source NTIS/MT
Control Number 028800610
Origin NTIS
Type CAT