Quality Assurance Project Plan Sammamish River Temperature and Dissolved Oxygen Total Maximum Daily Load Study Design October 2015 Publication No. 15-03-123 Publication Information Each study conducted by the Washington State Department of Ecology (Ecology) must have an approved Quality Assurance Project Plan. The plan describes the objectives of the study and the procedures to be followed to achieve those objectives. After completing the study, Ecology will post the final report of the study to the Internet. This Quality Assurance Project Plan is available on Ecology’s website at https://fortress.wa.gov/ecy/publications/SummaryPages/1503123.html Data for this project will be available on Ecology’s Environmental Information Management (EIM) website at www.ecy.wa.gov/eim/index.htm. Search Study ID MROS0001. Ecology’s Activity Tracker Code for this study is 15-035. Federal Clean Water Act 1996 303(d) Listings Addressed in this Study. See “Study area” and “Impairments addressed by this TMDL” sections. Author and Contact Information Teizeen Mohamedali P.O. Box 47600 Environmental Assessment Program Washington State Department of Ecology Olympia, WA 98504-7710 Communications Consultant: phone 360-407-6834. Washington State Department of Ecology - www.ecy.wa.gov o Headquarters, Lacey 360-407-6000 o Northwest Regional Office, Bellevue 425-649-7000 o Southwest Regional Office, Lacey 360-407-6300 o Central Regional Office, Union Gap 509-575-2490 o Eastern Regional Office, Spokane 509-329-3400 Cover photo: The Sammamish River, north of Redmond looking upstream (south) from the NE 116th St. Bridge. Photo taken by Ralph Svrjcek in July 2014. Any use of product or firm names in this publication is for descriptive purposes only and does not imply endorsement by the author or the Department of Ecology. Accommodation Requests: To request ADA accommodation including materials in a format for the visually impaired, call Ecology at 360-407-6834. Persons with impaired hearing may call Washington Relay Service at 711. Persons with speech disability may call TTY at 877-833-6341. Quality Assurance Project Plan Sammamish River Temperature and Dissolved Oxygen Total Maximum Daily Load Study Design October 2015 Approved by: Signature: Date: October 2015 Ralph Svrjcek, Client, Water Quality Program, NWRO Signature: Date: October 2015 Dave Garland, Client’s Unit Supervisor, Water Quality Program, NWRO Signature: Date: October 2015 Kevin Fitzpatrick, Client’s Section Manager, Water Quality Program, NWRO Signature: Date: October 2015 Teizeen Mohamedali, Author, EAP Signature: Date: October 2015 Meghan Rosewood-Thurman, Co-Author / Field Lead, EAP Signature: Date: October 2015 Kirk Sinclair, Co-Author / Hydrogeologist, EAP Signature: Date: October 2015 Karol Erickson, Author’s Unit Supervisor, EAP Signature: Date: October 2015 George Onwumere, Field Lead’s Unit Supervisor, EAP Signature: Date: October 2015 Will Kendra, Author’s Section Manager, EAP Signature: Date: October 2015 Jessica Archer, Section Manager for Project Study Area, EAP Signature: Date: October 2015 Joel Bird, Director, Manchester Environmental Laboratory Signature: Date: October 2015 Bill Kammin, Ecology Quality Assurance Officer Signatures are not available on the Internet version. EAP: Environmental Assessment Program NWRO: Northwest Regional Office QAPP Sammamish River Temperature and DO TMDL Study Design Page 1 – October 2015 1.0 Title Page and Table of Contents Table of Contents Page 1.0 Title Page and Table of Contents ..................................................................................2 2.0 Abstract .........................................................................................................................7 3.0 Background....................................................................................................................8 3.1 Study area and surroundings .............................................................................8 3.1.1 Logistical problems ............................................................................19 3.1.2 History of study area and human influences ......................................19 3.1.3 Parameters of interest .........................................................................20 3.1.4 Results of previous studies .................................................................20 3.1.5 Regulatory criteria or standards .........................................................23 3.2 Total Maximum Daily Load (TMDL) studies ................................................24 4.0 Project Description ......................................................................................................33 4.1 Project goals ....................................................................................................33 4.2 Project objectives ............................................................................................33 4.3 Information needed and sources .....................................................................34 4.4 Target population ............................................................................................36 4.5 Study boundaries .............................................................................................36 4.6 Tasks required .................................................................................................37 4.7 Practical constraints ........................................................................................37 4.8 Systematic planning process ...........................................................................37 5.0 Organization and Schedule ..........................................................................................38 5.1 Key individuals and their responsibilities .......................................................38 5.2 Special training and certifications ...................................................................39 5.3 Organization chart ...........................................................................................39 5.4 Project schedule ..............................................................................................40 5.5 Limitations on schedule ..................................................................................40 5.6 Budget and funding .........................................................................................40 6.0 Quality Objectives .......................................................................................................42 6.1 Decision Quality Objectives (DQOs) .............................................................42 6.2 Measurement Quality Objectives (MQOs) .....................................................42 6.2.1 Targets for precision, bias, and sensitivity .........................................42 6.2.2 Targets for comparability, representativeness, and completeness .....47 6.3 Model Quality Evaluation .....................................................................................48 6.3.1 Model performance ............................................................................48 7.0 Sampling Process Design (Experimental Design) .......................................................49 7.1 Study Design ...................................................................................................49 7.1.1 Sampling locations ..............................................................................54 7.1.2 Field measurements and frequency .....................................................58 7.1.3 Parameters to be determined ...............................................................65 7.2 Maps or diagram .............................................................................................65 7.3 Assumptions underlying design ......................................................................65 7.4 Relation to objectives and site characteristics .................................................66 QAPP Sammamish River Temperature and DO TMDL Study Design Page 2 – October 2015 7.5 Characteristics of existing data .......................................................................66 7.5.1 External data sources .............................................................................70 7.5.2. External data quality .............................................................................73 8.0 Sampling Procedures ...................................................................................................75 8.1 Field measurement and field sampling SOPs .................................................75 8.2 Containers, preservation methods, holding times ...........................................76 8.3 Invasive species evaluation .............................................................................77 8.4 Equipment decontamination ...........................................................................77 8.5 Sample ID .......................................................................................................78 8.6 Chain-of-custody, if required ..........................................................................78 8.7 Field log requirements ....................................................................................78 8.8 Other activities ................................................................................................78 9.0 Measurement Methods ................................................................................................79 9.1 Field procedures table/field analysis table