Ecology groundwater assessment studies

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Completed studies

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To view State Water Supply Bulletins devoted specifically to groundwater topics visit the Geology and Groundwater Resources Page

202
Spreadsheet models for assessing the impact of nutrient loading on groundwater quality
Report(s):
195
Little Squalicum Creek Estuary Soil and Groundwater Characterization
Report(s):
192
Lake Chelan Water Quality Assessment - Hydrogeologic Study
Report(s):
191
Spokane Valley-Rathdrum Prairie Aquifer Optimized Recharge for Summer Flow Augmentation of the Columbia River
Report(s):
190
Holden Mine Remediation Technical Assistance
Monitoring locations and results:
188
Analyzing Pharmaceuticals and Personal Care Products in Effluent and Groundwater at Three Reclaimed Water Facilities.
Report(s):
Monitoring locations and results:
186
Lacamas Creek TMDL Groundwater Support
Report(s):
Monitoring locations and results:
185
Puget Sound Groundwater Toxics Loading Analysis
Report(s):
184
Quality of Ground Water in Private Wells in the Lower Yakima Valley, 2001-2002
Report(s):
183
Effects of Conventional versus Moderate Tillage on Groundwater Nitrate at a Manured Grass Field
Report(s):
Monitoring locations and results:
180
Basic American Foods Groundwater Review
Report(s):
179
Maury Island Gravel Mine Hydrogeologic Impact Assessment
Report(s):
178
Groundwater Monitoring, Frontier Machinery, Walla Walla, WA
Report(s):
177
Hytec Soil Gas Survey, Tumwater, WA
Report(s):
176
Great Western Malting Co. Soil Gas Survey, Vancouver, WA
Report(s):
175
Lincoln Apartments Soil Gas Survey
Report(s):
174
Transducer Data, Cascade Pole site
Report(s):
173
Chicago Milwaukee Waste Disposal Site, Othello, WA
Report(s):
172
Ocean Park Nitrate in Groundwater
Report(s):
171
Status of the Water Supply at the Department of Wildlife's Green River Rearing Ponds, Near Kanasket, Washington
Report(s):
170
Assessment of Decling-Water Levels in Lake Devereaux, Mason County, WA
Report(s):
169
Waitsburg WWTP Groundwater Study - Evaluation of Nutrient Loading to the Touchet River, WA
Report(s):
Monitoring locations and results:
168
Investigation of Water Resources, Water Quality, and Seawater Intrusion, Anderson Island, Pierce County, Washington
Report(s):
167
Department of Ecology Eastern Washington Observation Well Network
Report(s):
166
The High Rock Aquifer Break of October 1993
Report(s):
165
Application of The USGS Modflow Ground-Water Model to the Wenatchee River Aquifer at Leavenworth
Report(s):
164
Hydrologic Effects of Ground-Water Pumping on Sinking Creek and Tributary Springs, Lincoln County, Washington
Report(s):
163
Lopez Island Test/Observation Well Completion Report
Report(s):
162
Brief Analysis of the Cause of Reduced Spring Discharge and Streamflow, Sinking Creek Area, Lincoln County
Report(s):
161
Reconditioning of Ten Monitoring Wells, Island County, WA - 1987
Report(s):
160
Functionality of Monitoring Wells Located in Island County, Washington
Report(s):
159
Aquifer Characteristics and Seawater Intrusion of Machaye Harbor Area and Northern Lopez Island, San Juan County, Washington
Report(s):
158
Roza Irrigation District Ground Water Supply Study: Report for Yakima River Basin Water Enhancement Project
Report(s):
157
Aquifer Test of December 30, 1985, Sea Farm of Norway Well No. 5, S32, T16N, R2W near Grand Mound, Washington
Report(s):
156
Rettkowski Aquifer Test, Lincoln County, Washington
Report(s):
155
Washington State Cooperative Observation Well Network, Department of Ecology - U.S. Geological Survey
Report(s):
154
Hart Observation Well, Near Connell, Washington
Report(s):
153
Dreger Observation Well Near Creston, Washington
Report(s):
152
Spooner Aquifer Test, Thurston County. Results and Predictions
Report(s):
151
Decreasing Streamflow and Possible Ground Water Depletion, in the Sinking Creek Watershed, Lincoln County, Washington
Report(s):
150
Principal Aquifiers and Well Yields in Washington
Report(s):
149
Description of Schnebly Creek, Test well #16 Near, Ellensburg, Washington
Report(s):
148
Aquifer Test, Beach Club Condominiums, Lummi Island, Whatcom County, Washington
Report(s):
147
Preliminary Groundwater Assessment of the Horse Heaven Hills
Report(s):
146
Wilson Creek Aquifer Test Results
Report(s):
145
Hydrogeology and Ground-Water Conditions in the Chumstick Drainage Basin
Report(s):
144
Aquifer Test - Carpenter Well - 11N, 21E, 35F, Lower Yakima Valley
Report(s):
143
Aquifer Test, Sandlin Well - 11N/21E-22G, Lower Yakima Valley, Results and Projections
Report(s):
142
Aquifer Test, Prentice Well - 11N, 21E, 17N, Results and Projections, Lower Yakima Valley
Report(s):
141
Ground-Water Conditions in the Area of Swan Creek, Pierce County
Report(s):
140
Well-Spring Interference Problem, T18N/R20E-29, Klicktat County, Washington
Report(s):
139
Aquifer Test of Flowing Wells in the Parke Creek Area
Report(s):
138
Clallam County Test Observation Well
Report(s):
137
Aquifer Test, Martin Wells, Okanogan County, Washington
Report(s):
136
Warden Aquifer Test
Report(s):
135
Aquifer Test On Well 18/25-15E In Grant County, Washington
Report(s):
134
Sagebrush Flats Water Level Evaluation
Report(s):
133
Estimated Drawdown of Water Levels and Degree of Hydraulic Interference Between an Existing and a Proposed Well, Moxee Valley, Yakima County, Washington
Report(s):
132
Well-Interference and Aquifer Test at Ridgefield, Washington
Report(s):
131
Aquifer Test in the Maple Valley Area
Report(s):
130
A Geohydrologic Reconnaissance of Point Roberts Area, Whatcom County, Washington
Report(s):
129
Aquifer Test, McDonald Creek Area, Jefferson County, Washington
Report(s):
128
Winchester Wasteway Pump Test
Report(s):
127
Olympic Mall Ground Water Investigation
Report(s):
126
A Report on the Geology and Ground-Water Resources of the Arlington Heights Area in Snohomish County, Washington
Report(s):
125
Aquifer Test Smugglers' Villa, Orcas Island, San Juan County, Washington
Report(s):
124
Manchester Water District #4 Aquifer Test
Report(s):
123
The Geohydrology of the Sidney-Molson Lakes Area, Okanogan County, Washington
Report(s):
122
Geohydrologic Reconnaissance: Monse Area, Okanogan County, Washington
Report(s):
121
A Geohydrologic Reconnaissance of the Dead Canyon Area, Klickitat County, Washington
Report(s):
120
A Report on the Geology and Ground-Water Resources of Land Parcel No. 1-2680 owned by Charles Puckett, Snohomish County, Washington
Report(s):
119
Geology and Ground-Water Resources of the Duck Lake Area, Okanogan County, Washington
Report(s):
118
A Geohydrologic Reconnaissance of North Fork Green River Area, King County, Washington
Report(s):
117
Geohydrologic Evaluation Aeneas Lake - Horse Springs Coulee Area, Okanogan County, Washington
Report(s):
116
Preliminary Geologic Evaluation of a Proposed Nuclear Power Plant Site at Hawks Point, Pacific County, Washington
Report(s):
115
Report on the Geology And Ground-Water Resources of the Arlington Heights, Snohomish County, Washington
Report(s):
114
A Brief Description of the Ground-Water Resources of Pacific and Wahkiakum Counties, Washington
Report(s):
113
A Preliminary Report on the Geology and Ground-Water Resources of the Duck Lake Area, Okanogan County, Washington
Report(s):
112
Alexander Farms Groundwater Modeling: Impact of Canal Lining and Surface Tarping on Site Groundwater Conditions
Report(s):
111
Black Rock - Moxee Valley Groundwater Study
Report(s):
110
Fisher Creek/Carpenter Creek Seepage Study
Report(s):
Monitoring locations and results:
108
High resolution sampling at the Groundwater/Surface Water Interface
Report(s):
Monitoring locations and results:
107
Burnt Bridge Creek TMDL Groundwater Support
Report(s):
Monitoring locations and results:
106
Duwamish - Green Watershed Initial Assessment
Report(s):
105
Watershed Assessment Water Resource Inventory Area 28, Salmon-Washougal
Report(s):
104
Whatcom County Hydraulic Continuity Investigation, Part I and II
Report(s):
103
High chloride concentrations in ground water withdrawn from above sea level aquifers, Whidbey Island, Washington
Report(s):
101
Chehalis River TMDL, Ground Water Reconnaissance and Estimated Inflows. Memo to Paul Pickett.
Report(s):
100
Global Aqua Start Up Ground Water Monitoring Investigation, Rochester, Washington. Memo to John Bernhardt January 22, 1990.
Report(s):
99
Summary of Ecology Lagoon Ground Water Assessments. Memorandum to Phil KauzLoric.20, 1992
Report(s):
98
Ground Water Quality Assessment: Sheridan Dairy Lagoon - Adna, Washington
Report(s):
97
Ground Water Quality Assessment: Whatcom County Dairy Lagoon #2 - Lynden, Washington
Report(s):
96
Rochester Ground Water Quality Investigation
Report(s):
Monitoring locations and results:
95
Washington State Agricultural Chemicals Pilot Study - Area 2
Report(s):
Monitoring locations and results:
94
Washington State Agricultural Chemicals Pilot Study - Area 1
Report(s):
Monitoring locations and results:
93
National Frozen Foods/Midway Meats Land Application Groundwater Study
Report(s):
92
Palouse River TMDL Groundwater Support
Report(s):
Monitoring locations and results:
91
Study of Soil Fumigants (EDB and 1,2-DCP) in the Groundwater of the Bertrand Creek and Meadowdale Areas, Whatcom County, WA
Report(s):
Monitoring locations and results:
90
Long Beach Peninsula Ground Water Study
Report(s):
89
An Evaluation of a Piezometer-based Constant Head Injection Test (CHIT) for use in Groundwater/Surface Water Interaction Studies
Report(s):
87
Occurrence of Methyl Tertiary-Butyl Ether (MTBE) in Groundwater at Leaking Underground Storage Tank Sites in Washington
Report(s):
86
Spokane River Temperature Profile, Barker Road to Plantes Ferry Park, September 2005
Report(s):
85
Naches River Temperature TMDL Groundwater Support
Report(s):
Monitoring locations and results:
84
Assessment of Ambient Groundwater Quality Conditions in the Surficial Unconsolidated Sedimentary Aquifer of the Moxee Valley, Yakima County, Washington
Report(s):
Monitoring locations and results:
83
Groundwater Technical Support - East Fork Lewis River Temperature and Fecal Coliform Bacteria Total Maximum Daily Load Study
Report(s):
Monitoring locations and results:
81
Saginaw Mill Groundwater Monitoring
Report(s):
Monitoring locations and results:
80
Montesano Groundwater Investigations
Report(s):
Monitoring locations and results:
79
Comparison of Hydraulic Conductivity Data in the Sequim-Dungeness Area
Report(s):
78
Groundwater Contributions to Siebert Creek (Clallam County) During Summer of 2003
Report(s):
77
Screening for Pharmaceuticals in Wastewater Treatment Plant Effluents, Groundwater, and Surface Water in the Sequim-Dungeness Area
Report(s):
Monitoring locations and results:
76
Deschutes River TMDL Groundwater Support
Report(s):
Monitoring locations and results:
75
Strategic Recommendations for Groundwater Assessment Efforts of the Environmental Assessment Program
Report(s):
74
Upper Sammamish River Surface Water-Groundwater Interaction Study
Report(s):
Monitoring locations and results:
73
Aquifer Vulnerability in the Columbia Basin Irrigation Project Area
Report(s):
72
Nooksak Aquifer Vulnerability Pilot Study
Report(s):
70
Groundwater Assessment Program Pilot Project
Report(s):
Monitoring locations and results:
69
Ambient Groundwater Monitoring West Valley Area, Yakima County
Report(s):
Monitoring locations and results:
68
Ambient Groundwater Monitoring - Agnew/Carlsborg Area, Clallam County
Report(s):
Monitoring locations and results:
66
Palermo Sub-drain System Monitoring
Report(s):
Monitoring locations and results:
63
Walla Walla Temperature TMDL Groundwater Support
Report(s):
Monitoring locations and results:
62
Lake Whatcom TMDL Groundwater Support
Report(s):
Monitoring locations and results:
61
Moses Lake TMDL Groundwater Study
Report(s):
Monitoring locations and results:
60
Henderson Nisqually TMDL Groundwater Support
Report(s):
Monitoring locations and results:
59
Wenatchee TMDL Groundwater Support
Report(s):
Monitoring locations and results:
58
Fate of Nitrogen in Animal Manures used as Fertilizer
Report(s):
54
Gleed Agricultural Chemicals Ground Water Quality Assessment
Report(s):
Monitoring locations and results:
53
Quincy Agricultural Chemicals Ground Water Assessment
Report(s):
Monitoring locations and results:
52
Pesticide Residues in the East Chehalis Surficial Aquifer/Pesticides in Ground Water-Report No. 5
Report(s):
Monitoring locations and results:
51
Pesticide Residues in the Woodland Surficial Aquifer, Pesticide Report #6
Report(s):
Monitoring locations and results:
50
Pesticide Residues in the Walla Walla Surficial Aquifer - Pesticides in Ground Water Report #7
Report(s):
Monitoring locations and results:
49
Pesticide Residues in the Moxee and Ahtanum Surficial Aquifers
Report(s):
Monitoring locations and results:
48
Pesticide Residues in the Skagit Delta Surficial Aquifer - Washington State Pesticide Monitoring Program
Report(s):
Monitoring locations and results:
47
Pesticide Residues in the Kittitas Valley Surficial Aquifer
Report(s):
Monitoring locations and results:
46
Assessment of Ground Water and Surface Water Contamination at the Washington State University Chemical Dump Site-Pullman, Washington, March 13-15, 1990
Report(s):
45
Memorandum on Soil Gas Sampling at Great Western Malting Company, Vancouver, Washington - September 1992
Report(s):
44
Water-Level Monitoring, Bellingham Frozen Foods, September 14 through December 9, 1993, Bellingham, Washington
Report(s):
42
Vadose Zone Monitoring at Tree Top Land Application Site in Selah, WA, June-Dec. 1992
Report(s):
Monitoring locations and results:
41
Republic Soil Gas Survey, Republic WA
Report(s):
40
Effects of Leakage from Four Dairy Waste Storage Ponds on Ground Water Quality
Report(s):
39
Estimates of Ground-Water Contaminant Loading to the Colville River in the Vicinity of L-Bar Products
Report(s):
38
Endicott School Soil Gas Survey Endicott Washington, August 1993
Report(s):
37
Loon Lake Class II Inspection, Groundwater Permit No. ST 8019
Report(s):
36
Quilcene Soil Gas Survey - Quilcene, Washington May 1994
Report(s):
35
Evaluation of the Potential for Ground Water Contamination at Sunland Land Application Site
Report(s):
34
Assessments for Ground Water Contamination Potential: Fort Flagler
Report(s):
33
Washington State Agricultural Chemicals Pilot Study - Area 3
Report(s):
Monitoring locations and results:
32
A Report on Nitrate Contamination of Ground Water in the mid-Columbia Basin
Report(s):
31
Argonne Road Ground Water Characterization of Organic Solvents November 1995 & May 1996
Report(s):
Monitoring locations and results:
30
Ground Water Quality Characterization and Nitrate Investigation of the Glade Creek Watershed
Report(s):
Monitoring locations and results:
29
Toftdahl Drum Site Ground Water Monitoring
Report(s):
Monitoring locations and results:
28
Evaluation of Groundwater Contamination at Roeder Avenue Landfill, Bellingham
Report(s):
Monitoring locations and results:
27
Relationship Between Ground Water and Surface Water in the Quilceda Creek Watershed
Report(s):
Monitoring locations and results:
26
Pendleton Woolen Mill Land Application Site Ground Water Monitoring Evaluation
Report(s):
Monitoring locations and results:
25
Assessments for Ground Water Contamination Potential: Sequim Bay State Park
Report(s):
24
Pesticides in Washington Groundwater
Report(s):
23
Deer Park Land Application project
Report(s):
Monitoring locations and results:
22
Chehalis River Watershed Surficial Aquifer Characterization
Report(s):
21
Basic American Foods Class II Groundwater Inspection
Report(s):
Monitoring locations and results:
20
Monterey Apartments Ground Water Monitoring, October 1995 - November 1997
Report(s):
Monitoring locations and results:
19
Yelm Groundwater Baseline Sampling
Report(s):
Monitoring locations and results:
18
Nooksack Surficial Aquifer Characterization
Report(s):
17
Moses Lake Dunes Wastewater Treatment Plant, Class II Groundwater Inspection
Report(s):
Monitoring locations and results:
16
Statewide groundwater baseflow study
Report(s):
15
Groundwater Data Compilation for the Okanogan Watershed
Report(s):
14
Nutrient Loading Estimates: Groundwater Discharge to South Puget Sound
Report(s):
13
Northcentral Sumas-Blaine Surficial Aquifer Nitrate Characterization Project
Report(s):
Monitoring locations and results:
12
Hamilton/Labree Road PCE Site Groundwater Monitoring
Report(s):
Monitoring locations and results:
11
Smith Prairie Groundwater Quality Assessment
Report(s):
Monitoring locations and results:
10
WDOT Skokomish Groundwater monitoring and mounding analysis
Report(s):
Monitoring locations and results:
9
American Crossarm and Conduit Groundwater Monitoring
Report(s):
Monitoring locations and results:
8
Spokane River/Aquifer Interaction Project Results, May - November 1999
Report(s):
Monitoring locations and results:
7
American Plating Groundwater Monitoring
Report(s):
Monitoring locations and results:
6
Relationship Between the Upper Dungeness River and the Bedrock Aquifer, Clallam County
Report(s):
5
Assessment of Surface Water and Groundwater Interchange within the Muck Creek Watershed, Pierce County
Report(s):
Monitoring locations and results:
4
Effects of Land Application of Dairy Manure and Wastewater on Groundwater Quality: Pre- and Post-Animal Waste Holding Pond Monitoring
Report(s):
Monitoring locations and results:
3
Nooksak Dairies Groundwater Quality
Report(s):
Monitoring locations and results:
2
Restover Truck Stop Groundwater Monitoring
Report(s):
Monitoring locations and results:
1
Surface Water-Ground Water Interactions Along the Dungeness River and Vertical Hydraulic Conductivity of Streambed Sediments, Clallam County, Washington, September 1999-July 2001
Report(s):
For more information about the Environmental Assessment Program groundwater team activities, please contact: Martha Maggi (mmag461@ecy.wa.gov). For questions about this web page please contact Charles Pitz (chpi461@ecy.wa.gov).