Publication Summary

Title

Granger Drain Fecal Coliform Bacteria Total Maximum Daily Load Assessment and Evaluation -- FINAL

Month-Year PublishedFebruary 2001
Revised onOctober 2001
Online Availability
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Short Description

The lower Yakima River and the mainstem Granger Drain have not met the Class A fecal coliform (FC) water quality standard of the State of Washington (State) for over three decades of monitoring. The Washington State Department of Ecology (Ecology) and other agencies have historically attributed the excessive FC contamination to the numerous animal feeding operations (AFOs) within the watershed. However, there are present other potential sources of FC pollution such as: "hobby farms", septic tanks, wildlife and urban runoff. FC pollution is extremely seasonal throughout the watershed with the greatest bacterial densities always occurring during the irrigation season of the local agriculture.

Publication Number01-10-012
Author(s)Greg Bohn
Print Availability Not available as a printed document
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Number of pages 119
Keywords assessment, bacteria, basin, compliance, dairy, evaluation, fecal coliform, Granger Drain, irrigation, river, tank, tile, TMDL, Total Maximum Daily Load, urban, water
Subject Waterbodies
Granger Drain
map of Washington state showing locations of subject waterbodies
Related Publications TitleRelationship    
Granger Drain Fecal Coliform Bacteria Total Maximum Daily Load -- Submittal Reportsimilar topic
Granger Drain Fecal Coliform Bacteria Total Maximum Daily Load: Detailed Implementation Planguideline for implementation

This page last updated March 10, 2008