Project No.: A June 29, Jared Bean, Senior Staff Hydrogeologist Steve Germiat, LHG, CGWP, Principal Hydrogeologist

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1 MEMORANDUM Project No.: 000-0A June, 0 To: cc: From: Re: Jacob Anderson and Dave McClure and, Klickitat County Natural Resources Department Jared Bean, Senior Staff Hydrogeologist Steve Germiat, LHG, CGWP, Principal Hydrogeologist White Salmon Basin (WRIA B) Well Monitoring Network Setup Project Objectives In 0, the Klickitat County Board of County Commissioners allocated funding to establish a ground level monitoring network for the White Salmon River Basin (the Basin; aka WRIA B), collect a round of level measurements from the well network, and present the information in a memorandum. The primary objective of level monitoring over time is to support effective management, planning, and use of ground supplies. This type of monitoring program has been underway in portions of the adjacent Klickitat River Basin (WRIA 0) since 00. The Basin level monitoring program was conducted in accordance with the projectspecific Quality Assurance Project Plan (QAPP), which was approved in 0 prior to start of work, and was amended in 0 (Aspect, 0). Level Monitoring Network After receiving focus area guidance from the Klickitat County Natural Resources Department (KCNRD), establishment of the well level monitoring network for the Basin consisted of the following general steps: Download all well logs in the focus areas of the Basin from the Washington Department of Ecology (Ecology) online well log database; Plot the total depths of all well logs per target area to illustrate shallow and deep well completion clusters in inferred primary aquifer units of each target area; Within the shallow and deep well completion cluster zones of each target area, review stratigraphic quality of logs and select target wells for representative aquifer level monitoring; In coordination with the KCNRD, contact well owners by phone and in person to obtain permission to conduct level monitoring in their well; and Perform an initial field visit and level measurement event to document well location using Global Position System (GPS), wellhead access instructions, and most appropriate level monitoring procedure (equipment) for future monitoring events. e a r t h + w a t e r Aspect Consulting, LLC 0 nd Avenue S. Suite 0 Seattle, WA

2 MEMORANDUM June, 0 Project No.: 000-0A Aspect Consulting (Aspect) staff performed the initial field visit and level measurements in October of 0. Most wells incorporated in the network were previously identified target wells, as described above. However, several additional wells were added to the network during the initial field visit as a result of on-the-ground conversations and coordination with Basin residents and well owners. For consenting well owners, Klickitat County Public Works staff performed wellhead surveys in spring 0. Wellhead location and information are used to convert depth-to- measurement data to level s, and thereby enable comparison and evaluation of level trends between wells and within aquifers. Because budget remained, Aspect, KCNRD, and Central Klickitat County Conservation District (CKCD) staff performed a second round of level measurements in April 0, after agreement from KCNRD. As of June 0, the Basin level monitoring network consists of wells. Figure shows the Basin and the locations of wells in the monitoring network. Table presents summary well completion information for the wells included in the monitoring network. Table presents the two rounds of level measurements to date. Level Measurement Procedures The depth-to- measurements were made relative to the top of well casing or other defined measuring point at the wellhead. Other pertinent information regarding the well or the measuring of levels was also recorded in the field notes. Depth-to- measurements were conducted using either an electric level indicator (e-tape) or a sonic level indicator (sonic) as described in the QAPP (Aspect, 0). Where possible, sonic level monitoring is preferred because it requires no cleaning between wells, and it carries no risk of entanglement with wires or other objects in the well casing. Granted, sonic level measurements are less precise than e-tape measurements, but the data resolution from either instrument is adequate for the purposes of level trend monitoring. The QAPP provides a quality control evaluation between the e-tape and sonic measurements. The evaluation documents reliability of sonic measurements for depths-to- less than approximately 0 feet below the top of well casing (Aspect, 0). If an e-tape was used for the depth-to- measurement, the bottom several feet of e-tape were rinsed and wiped with a clean paper towel. For wells equipped with airlines, the height of over the airline outlet was measured in pounds per square inch (psi) and converted to feet of ( psi =. feet of ). If the airline outlet depth was known, was estimated as the top of casing minus depth to airline outlet plus feet of over airline (Table ). Attachments Table White Salmon Basin Level Monitoring Network Table White Salmon Basin Monitoring Network Level Data Figure White Salmon Basin Level Monitoring Network Page

3 MEMORANDUM June, 0 Project No.: 000-0A References Aspect, 0, Quality Assurance Project Plan Update for Level Monitoring WRIA 0//B, March, 0 and amended April, 0. Limitations Work for this project was performed for the Klickitat County Natural Resources Department (Client), and this memorandum was prepared in accordance with generally accepted professional practices for the nature and conditions of work completed in the same or similar localities, at the time the work was performed. This memorandum does not represent a legal opinion. No other warranty, expressed or implied, is made. All reports prepared by Aspect Consulting for the Client apply only to the services described in the Agreement(s) with the Client. Any use or reuse by any party other than the Client is at the sole risk of that party, and without liability to Aspect Consulting. Aspect Consulting s original files/reports shall govern in the event of any dispute regarding the content of electronic documents furnished to others. W:\000 WRIA Phase \Deliverables\WRIA B Well Monitoring Network Setup\Final\WRIA White Salmon Basin WL Mon Report.doc Page

4 Table - White Salmon Basin Level Monitoring Network White Salmon Basin Well Monitoring Network WRIA B, Washington Subarea TRS Label Surveyor Data GPS data Google Earth data NAD State Plane South NAVD NAD State Plane South WGS Ecology Well Log ID Depth Diam. (in) X (feet) Y (feet) X (feet) Y (feet) Trout TR0-M..0 Trout TR0-H Trout TR0-A South Trout TR0-L South Trout TR0-P South Trout TR0-P BZ Corner TR0-B Husum TR0-J Husum TR0-J Husum TR0-A 0.. Husum TR0-A..0 Husum TR-N Husum TR-0P Husum TR-D Husum TR-D Husum TR0-A Husum TR0-H Snowden TR-L Snowden TR-A Snowden TR-C Snowden TR-Q Snowden TR-E - 0 Snowden TR-L Bill Moore Rd TR-R Bill Moore Rd TR-0D Bill Moore Rd TR-E Bill Moore Rd TR-E Bill Moore Rd TR-0R Bill Moore Rd TR-C White Salmon TR0-0B - White Salmon TR0-Q - White Salmon TR0-Q - 0 White Salmon TR0-Q White Salmon TR0-Q - 00 Bingen TR-0-0 Bingen TR-0JI - 0 Bingen TR-EI - 0 From Klickitat County Public Works Department's survey. From well owner's survey. Ecology Well Log Data Well Top of Casing Location Information Aspect Consulting //0 W:\000 WRIA Phase \Deliverables\WRIA B Well Monitoring Network Setup\Final\Tables\White Salmon Basin Well Network - Tables and.xlsx Table Page of

5 Table - White Salmon Basin Monitoring Network Level Data White Salmon Basin Well Monitoring Network WRIA B, Washington Subarea Ecology Well Log Data TRS Label Ecology Well Log ID Depth Diam. (in) Well Top of Casing Location Information Surveyor Data Google Earth data NAVD WGS October 0 April 0 s c Trout TR0-M #N/A Well owner measured on // Trout TR0-H Trout TR0-A South Trout South Trout South Trout TR0-L TR0-P 0. - Not measured (Airline). - TR0-P BZ Corner TR0-B Airline psi Husum TR0-J Access port installed Oct Husum TR0-J Access port installed Oct Husum TR-N Husum TR-0P Husum TR-D Husum TR-D Husum TR0-A nonstatic - - Non-static Husum TR0-H Husum TR0-A 0 #N/A psi. - Pump depth: 0' (Airline). - Airline psi Husum TR0-A #N/A psi. - Pump depth: 0; no WLI access (Airline). - Airline psi Snowden TR-L Snowden TR-A Snowden TR-Q Notes: From Klickitat County Public Works Department's survey. From well owner's survey. Aspect Consulting //0 W:\000 WRIA Phase \Deliverables\WRIA B Well Monitoring Network Setup\Final\Tables\White Salmon Basin Well Network - Tables and.xlsx Table Page of

6 Table - White Salmon Basin Monitoring Network Level Data White Salmon Basin Well Monitoring Network WRIA B, Washington Ecology Well Log Data Well Top of Casing Location Information Surveyor Data Google Earth data NAVD WGS October 0 April 0 Subarea TRS Label Ecology Well Log ID Depth Diam. (in) Snowden TR-C psi. - (Airline) 0. - Airline. psi Snowden TR-E Data provided by system managers - current measurment; over pump ft; depth to. ft; SCADA 00.; Data unavailabe - SCADA system being redesigned Snowden TR-L Data provided by system managers - June 0 measurement; over pump 0 ft; depth to. ft; 0 ft Data unavailabe - SCADA system being redesigned Bill Moore Rd TR-R Well also in Appleton monitoring network leak in spigot Bill Moore Rd TR-0D Bill Moore Rd TR-E Permission granted but not measured Bill Moore Rd TR-E Tape sticks at 0.'. -. Bill Moore Rd TR-0R Bill Moore Rd TR-C White Salmon TR0-0B Datalogger measurement - erroneous Datalogger measurement - erroneous. White Salmon TR0-Q ASR pilot test - Well No. injection phase; non-static shut-in pressure =. psi White Salmon TR0-Q ASR pilot test - Well No. recovery phase; Nonstatic shut-in pressure =. psi White Salmon TR0-Q White Salmon TR0-Q Bingen TR Bingen TR-0JI Bingen TR-EI ASR pilot test - Well No. injection phase; nonstatic shut-in pressure = psi Data provided by well owner. Bottom of pump. ft btoc. Transducer ft btoc. Data provided by well owner. Bottom of pump 0 ft btoc. Transducer 00 ft btoc. Data provided by well owner. Bottom of pump 00 ft btoc. Airline outlet ft btoc ASR pilot test - Well No. recovery phase; nonstatic shut-in pressure = 0 psi Notes: From Klickitat County Public Works Department's survey. From well owner's survey. Aspect Consulting //0 W:\000 WRIA Phase \Deliverables\WRIA B Well Monitoring Network Setup\Final\Tables\White Salmon Basin Well Network - Tables and.xlsx Table Page of

7 C Staats GISPath:T :\projects_\wria\whitesalm onwells \delivered\wriawhitesalm onbasinwellmem o\figure WhiteSalm on Basin Level MonitoringNetwork.m xd CoordinateSystem :NADStatePlaneWashington SouthFIPS0Feet DateSaved://0 User:rpepin PrintDate:// Trout Creek TR0-M TR0-A TR0-H Columbia!!! TR0-L TR0-P TR0-B TR0-J TR0-J TR0-Q TR0-Q! TR0-Q TR0-0B TR0-Q B 000 Dean Byrkett 0 Bryan's Buck Creek Martin Wood Arnett State Valley Lava W h i Forest River t e Salmon TR0-A TR0-H Jewett Peck B Childs Eyrie Fir Tree EZ Old Creamery Wapiti B000 May Spring Creek Pine Flat TR0-P!! TR0-A TR0-A Jewett Dairy Loop Rio Vista Pierce Peters Stadelman Carr Lower Spring Creek State Hwy Torin Schmid Chubb Main River Warner Ri ver Mt Adams Orchard Shipp TR-0H! TR-D Echo TR-0J Glen Snowden Cedar Spring Sunnyside Stoller Postgren Ridgeview Oak Ridge Lyons Rocky!! Gi lm er Cre ek TR-N TR-0P TR-D Ind ian reek Osborne Strong TR-Q TR-E TR-A TR-L TR-E Sanborn Bates Rattlesnake TR-L R 00 TR-C R 0 Rattles n a k e Coyote Song R 00 R 0 Creek Snowden Cutoff Bz Glenwood Trout TR-R H 00 Gerbing TR-0D 0 Lyle Snowden FS TR-C Panakanic Bill Moore 0 T-0N R0-0E T-0N R0-0E T-0N R0-0E T-0N R0-0E 0 T-0N R0-0E T-0N R0-0E Wells in MonitoringNetwork T-0N R0-0E WhiteSalm on River shed Rivers/Stream s Roads City T-0N R0-0E T-0N R0-0E T-0N R-0E T-0N R-0E T-0N R0-0E T-0N R-0E T-0N R-0E T-0N R-0E T-0N R-0E 0 T-0N R-0E T-0N R-0E T ownship andrange Section County Boundary Klick itatcounty 0 0 T-0N R-0E T-0N R-0E 0 0 T-0N R-0E T-0N R-0E T-0N R-0E T-0N R-0E T-0N R-0E T-0N R-0E T-0N R-0E T-0N R-0E 0 0!! 0 C O N SU LTI N G Basemap Layer Credits Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS User Community T-0N R-0E T-0N R-0E Miles White Salmon Basin 0 T-0N R-0E T-0N R-0E TR-E TR-E TR-0R K lic kita t R iver T-0N R-0E T-0N R-0E Level Monitoring Network JUN-0 PROJECT NO. 000 BY: JB/RAP REVISED BY: JB/RAP T-0N R-0E T-0N R-0E WRIAWhiteSalm on Basin Well MonitoringNetwork Setup Mem o WhiteSalm on River shed Klick itatcounty,washington FIGURE NO.