Lake Maxwell on Saltspring Island was examined to determine its suitability as a bulk water supply system, both in terms of water quality and water quantity. The lake appears to be a supply of good quality water in reasonable quantities. The lake could presently yield an additional 130-300 dam3 per year for water supply depending on annual precipitation. With potential storage, a water yield of 240-340 dam3/yr could be possible. The lake, because of its small watershed (1.2 km2) and relatively long water residence time (1.7 years on average) is susceptible to disturbance from the watershed. The lake presently has nutrient concentrations that are sufficiently high to warrant concern that further increases could cause future problems with algal growth. Despite the occurrence of warm surface water temperatures and summer hypolimnetic oxygen depletion, the lake can presently serve as a source of good quality water, superior to any other on the island.
Nordin, R.N., Mckean C.J.P.; Boyd I.T.. 1982. Water Quality of Lake Maxwell, Saltspring Island. BC Ministry of Environment
Keywords: Lake Maxwell, Saltspring Island, water quality
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