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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Mill Creek Ammonia-Nitrogen TMDL |
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Mill Creek Ammonia-Nitrogen TMDL (Number of pages: 7) (Publication Size: 853KB)
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| Author(s) | Steve Butkus | ||||
| Description | Prior to the city of Walla Walla's 1983 NPDES permit, Mill Creek water quality was impaired due to chlorine toxicity, low dissolved oxygen (DO), and ammonia. In March 1992 Ecology submitted a total maximum daily load (TMDL) to EPA for un-ionized ammonia-N. The TMDL determined a loading capacity for total ammonia-N to be consistent with the state water quality standards. No wasteload allocation (WLA) was set for ammonia-N during the permitted discharge period. A WLA of zero pounds of ammonia-N per day was set for the period from May through November. | ||||
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| Contact | David T. Knight at 509-329-3590 | ||||
| Keywords | nitrogen, water quality improvement project, water cleanup plan, TMDL, Total Maximum Daily Load, ammonia | ||||
| WEB PAGE | Water Quality Improvement Projects - Mill Creek Area: Multi-parameter | ||||
| WATERSHED | Water Resource Inventory Area 32 Walla Walla | ||||
| RELATED PUBLICATIONS | Title:
Walla Walla Wastewater Treatment Plant/Mill Creek Receiving Water Survey, February 12-13, 1986, and TMDL Evaluation. |
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