Wria 41 Lower Crab Creek 2006
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WRIA 41 LOWERLOWER CRAB CREEK 2006 –— SSUMMARYUMMARY OF WWATERATER SSAMPLINGAMPLING FORFOR MMOSESOSES LLAKEAKE MMARCHARCH 2007 Prepared forfor.: Moses Lake IrrigationIrrigation anandd RehabilitatRehabilitationion District 10531053 West Broadway Avenue PO BoBoxx 98 Moses LakeLake,, WashingtoWashington,n, 98837 M WATER M QUALITY M ENGINEERING WRIA 41 LOWERLOWER CRAB CREEK 2006 —– SSUMMARYUMMARY OF WWATERATER SSAMPLINGAMPLING FORFOR MMOSESOSES LLAKEAKE Prepared for:for: Moses Lake Irrigation and Rehabilitation District 1053 West BroadwBroadwayay Avenue PO Box 98 Moses Lake, Washington 98837 Prepared by: Water QualiQualityty Engineering, IncInc 103 Palouse Street, SuSuiteite 2 Wenatchee, Washington 98801 March 12, 22007007 M WATER M QUALITY M ENGINEERING TABLE OF CONTENTS 1.0 INTRODUCTINTRODUCTIONION.............................................................................................................................................................................................................................................................. 9 2.0 MOSES LAKE AREA BACKGROUND........................................................................................................................................................................................ 9 2.1 WWATERATER QQUALITYUALITY SSTATUSTATUS .............................................................................................................................................................................................................................. 1010 3.0 MOSES LALAKEKE AAREAREA GEGEOLOGYOLOGY AND HHYDROGEOLOGYYDROGEOLOGY.................................................................................................................. 12 3.1 GGEOLOGYEOLOGY OOFF THE MOMOSESSES LALAKEKE AREA............................................................................................................................................................................................ 1212 3.2 HHYDROGEOLOGYYDROGEOLOGY ...................................................................................................................................................................................................................................................... 1313 3.3 GGROUNDWATERROUNDWATER QUALIQUALITYTY .............................................................................................................................................................................................................................. 1313 3.3.1 Natural CoConditionndition of PhospPhosphorushorus in AreaArea GrounGroundwaterdwater............................................................................................................ 1313 3.3.2 AnthropogenicAnthropogenic SourceSourcess of PhospPhosphorushorus ContriContributingbuting ttoo GrouGroundwaterndwater................................................................ 1515 4.0 PURPOSE ANDAND GGOALSOALS................................................................................................................................................................................................................................ 15 4.1 LLAKEAKE SAMPLING GOGOALSALS .................................................................................................................................................................................................................................... 1515 4.2 GGROUNDWATERROUNDWATER SSAMPLINGAMPLING GOGOALSALS.................................................................................................................................................................................................... 1515 4.3 SSEPTICEPTIC SSYSTEMYSTEM EVALUATIONS .............................................................................................................................................................................................................. 1515 4.4 CCRABRAB CCREEKREEK SSAMPLINGAMPLING ................................................................................................................................................................................................................................ 1616 5.0 SAMPLING METHODS AND SITES............................................................................................................................................................................................ 16 5.1 QQUALITYUALITY CCONTROLONTROL FOFORR SAMSAMPLEPLE ANALYSISANALYSIS............................................................................................................................................................................ 1616 6.0 RESULTS AANDND DISCUSDISCUSSIONSION .............................................................................................................................................................................................................. 17 6.1 LLAKEAKE SSAMPLEAMPLE SSTATISTICSTATISTICS............................................................................................................................................................................................................................ 1717 6.2 GGROUNDWATERROUNDWATER SSAMPLEAMPLE SSTATISTICSTATISTICS .......................................................................................................................................................................................... 1717 6.3 LAKE SAMPLING .......................................................................................................................................................................................................................................................... 1818 6.3.1 Lake SamSamplingpling.......................................................................................................................................................................................................................................... 1818 6.3.2 Dilution Flows............................................................................................................................................................................................................................................ 1818 6.3.3 Lake WateWaterr QualityQuality - PhoPhosphorussphorus .............................................................................................................................................................................. 21 6.3.4 Lake WateWaterr QualityQuality— – Algae,Algae, ChloChlorophyll,rophyll, and VisibilVisibilityity ............................................................................................................ 21 6.3.5 Lake TroTrophiophic Status ........................................................................................................................................................................................................................ 24 6.4 LLAKEAKE SSEDIMENTEDIMENT SAMPLING.......................................................................................................................................................................................................................... 25 6.5 CCRABRAB CCREEKREEK SSAMPLINGAMPLING ................................................................................................................................................................................................................................ 25 7.0 GROGROUNDWATERUNDWATER ...................................................................................................................................................................................................................................................... 30 7.1 PPHOSPHORUSHOSPHORUS IN MUNICIPAL WASTEWATER EFFLUENT............................................................................................................................................ 30 7.2 PHOSPHORUS ANALYZED FROM DOMESTIC AND OTHEOTHERR AREAAREA WELLS........................................................ 33 7.3 SSODIUM,ODIUM, CCHLORIDE,HLORIDE, BBORON,ORON, PPH,H, AND TTEMPERATUREEMPERATURE.......................................................................................................................................... 35 7.4 SSEPTICEPTIC SSYSTEMSYSTEMS IN THE REREGIONGION ........................................................................................................................................................................................................ 40 7.5 GGROUNDWATERROUNDWATER LOADS FRFROMOM WASTEWATER DISPOSAL........................................................................................................................................ 42 8.0 COCONCLUSIONSNCLUSIONS............................................................................................................................................................................................................................................................ 4433 8.1 LLAKEAKE WWATERATER QQUALITYUALITY ...................................................................................................................................................................................................................................... 43 8.2 GGROUNDWATERROUNDWATER.........................................................................................................................................................................................................................................................