
| Title | Quality Assurance Project Plan: Henderson and Nisqually TMDL Study | |||
| Month-Year Published | February 2003 | |||
| Online Availability |
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| Short Description |
This Quality Assurance Project Plan describes the technical study that will monitor levels of fecal coliform bacteria as well as some tributaries not meeting standards for pH, dissolved oxygen, or temperature in the Henderson Inlet and Nisqually Reach basins and form the basis for a proposal to allocate contaminant loads to sources. (Also see abstract below) | |||
| Publication Number | 03-03-100 | |||
| Author(s) | Sargeant, D., M. Roberts, and B. Carey | |||
| Print Availability | ||||
| Number of pages | 103 pp. + app (116 total) | |||
| Keywords | 303(d), assessment, basin, conservation, county, environmental health, health, Henderson Inlet, plan, quality, quality assurance project plan, study, Thurston, TMDL, Total Maximum Daily Load, water | |||
| Subject Waterbodies |
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| Related Publications | Title | Relationship | ||
| Nisqually River Basin Fecal Coliform Bacteria and Dissolved Oxygen Total Maximum Daily Load Study | similar topic | |||
| Henderson Inlet Watershed Fecal Coliform Bacteria, Dissolved Oxygen, pH, and Temperature Total Maximum Daily Load Study | similar topic | |||
| Henderson Inlet Watershed Fecal Coliform Bacteria, Dissolved Oxygen, and pH Total Maximum Daily Load: Water Quality Improvement Report Implementation Strategy | guideline for implementation | |||
| Quality Assurance Project Plan: Water Quality Monitoring for Fecal Coliform Bacteria in Dobbs Creek | similar topic | |||
| Abstract | Long Description |
Henderson Inlet, Nisqually Reach, and several streams in the Henderson and Nisqually basins are on the 1996 and 1998 303(d) list of impaired waterbodies due to violations of one or more water quality criteria. Both basins have tributaries that exceed the water quality standard for fecal coliform bacteria as well as some tributaries not meeting standards for pH, dissolved oxygen, or temperature. EPA requires the states to set priorities for cleaning up 303(d) listed waters and to establish a Total Maximum Daily Load (TMDL) for each. A TMDL entails an analysis of how much of a pollutant load a waterbody can assimilate without violating water quality standards. This Quality Assurance (QA) Project Plan describes the technical study that will monitor levels of the above-mentioned contaminants in the Henderson Inlet and Nisqually Reach basins and form the basis for a proposal to allocate contaminant loads to sources. The study will be conducted by Ecology's Environmental Assessment Program with assistance from Thurston County Environmental Health and Thurston Conservation District. |
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