| Study ID | CHPI004 |
| Study Name | Waitsburg WWTP Groundwater Study - Evaluation of Nutrient Loading to the Touchet River |
| EIM Data Entry Review Status | Reviewed |
| Study Type | General environmental study |
| Study Purpose | To determine if effluent released from the Waitsburg, WA WWTP is resulting in an excess nutrient load to the Touchet River via groundwater transport. |
| Field Collection Date Range | 8/3/2009 - 10/27/2009 |
| Data First/Last Loaded Date |  |
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| Ecology Program or Other Responsible Entity | Ecy Environmental Assessment Program |
| Ecology Contact | Charles Pitz |
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| Study QA Planning Level | LEVEL 4: Approved QAPP or SAP. |
| Study QA Project Plan Description | This groundwater study is conducted in support of the Walla Walla River Basin Fecal Coliform Bacteria and pH Total Maximum Daily Load Study. The original Walla Walla River Basin TMDL study recommended additional monitoring and field investigation of elevated nutrient conditions in the Touchet River in the area of Waitsburg and Dayton, WA. Preliminary data analysis suggested that effluent release to a lagoon/wetland system at the Waitsburg municipal waste water treatment plant may potentially be resulting in an excess nutrient loading to the nearby Touchet river via groundwater transport. This study will examine this question in detail. |
| Study QA Assessment Level | Level 5: Data Verified and Assessed for Usability in a Peer-Reviewed Study Report |
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