Table of Contents
Introduction Methods Results and Discussion Abbotsford Aquifer Cowichan Estuary Lower Aquifer Fraser River Main Arm Fraser River North Arm Grand Forks Aquifer Matsqui Piezometer Osoyoos Aquifers Quamichan Lake Summary References Appendices
List of Figures (Time series plots and graphs)
Figure 1 total precipitation at Victoria International Airport recorded from January to June, 1973 - 1998 Figure 2 Nitrate-N in Well - C25 at the Abbotsford Aquifer, 1988 - 1998 Figure 3 Nitrate-N in Well - C75 at the Abbotsford Aquifer, 1988 - 1998 Figure 4 total dissolved solids in Observation Well #297 at the Cowichan Estuary Lower Aquifer, 1987 - 1992 Figure 5 total dissolved solids in Observation Well "J" at the Cowichan Estuary Lower Aquifer, 1985 - 1991 Figure 6 lead in sediments, replicate 1, in the main arm of the Fraser River, 1985 - 1996 Figure 7 lead in sediments, replicate 2, in the main arm of the Fraser River, 1985 - 1996 Figure 8 lead in sediments, replicate 3, in the main arm of the Fraser River, 1985 - 1996 Figure 9 lead in sediments, average of three replicates, in the main arm of the Fraser River, 1985 - 1996 Figure 10 lead in sediments, replicate 1, in the north arm of the Fraser River, 1985 - 1996 Figure 11 lead in sediments, replicate 2, in the north arm of the Fraser River, 1985 - 1996 Figure 12 lead in sediments, replicate 3, in the north arm of the Fraser River, 1985 - 1996 Figure 13 lead in sediments, average of three replicates, in the north arm of the Fraser River, 1985 - 1996 Figure 14 Nitrate - N in Well - A40 at the Grand Forks Aquifer, 1991 - 1997 Figure 15 Nitrate - N in Well - A100 at the Grand Forks Aquifer, 1991 - 1998 Figure 16 Nitrate - N in Well - C40 at the Grand Forks Aquifer, 1990 - 1998 Figure 17 Nitrate - N in Well - C100 at the Grand Forks Aquifer, 1990 - 1997 Figure 18 Nitrate - N in Floesser Well at the Grand Forks Aquifer, 1989 - 1997 Figure 19 Nitrate - N in Well - A25 at the Matsqui Piezometer, 1992 - 1998 Figure 20 Nitrate - N in Well - B4 at the Osoyoos Aquifers, 1989 - 1997 Figure 21 Nitrate - N in Well - B7 at the Osoyoos Piezometer, 1992 - 1997 Figure 22 geometric means of fecal coliforms sampled during summer in Quamichan Lake, 1973 - 1998
Trend Analyses of Selected Water Quality Constituents at Nine Locations in British Columbia
November, 1998
Prepared by Robin Regnier Central Limit Statistical Consulting