03/27/2013 Env Bd Packet - Laserfiche WebLink

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Surface Water and Groundwater Appropriations St. Paul Water Utility The St. Paul Water Department plays a significant role in the management of the water resources of the City. Peltier, Centerville, Bald Eagle, and Otter Lakes are all capable of being directly affected by withdrawals for the purpose of supplying water to the St. Paul system. The first water supply system to serve the City of St. Paul was constructed by a private company in 1868- 70. The company operated under a State of Minnesota Charter dated 1857, and was known as the St. Paul Water Company. In 1884, a 72 -inch brick conduit was constructed to deliver water from Vadnais Lake. Shortly thereafter, connection was made to Sucker Lake and Pleasant Lake, which are a short distance north of Vadnais Lake. In 1889, the source of supply was extended to Baldwin Lake. In 1894, extensions were made to Otter Lake. Arrangements were made to receive the overflow from Bald Eagle Lake. In 1914 -1915, a dam was constructed at the north end of Bald Eagle to impound additional water. Some water is available from the overflow from Bald Eagle Lake during high water periods. Bald Eagle Lake has a surface area of approximately 1,040 acres. When water in Bald Eagle Lake is higher than the culvert inverts at the north end of the lake, water overflows into Clearwater Creek, which drains into the Rice Creek Chain of Lakes. During normal periods of high water levels, water is taken from Otter Lake and by gravity flow is conveyed through a concrete conduit to the Centerville conduit and thence to Deep Lake. A pumping station was constructed in 1896, at Centerville Lake, to pump water from this source into the Chain of Lakes System. Over the years a number of deep wells were drilled to meet emergency conditions, but have since been abandoned. In 1902, a 150 -foot wide dam was built across Rice Creek at the outlet of Peltier Lake. A conduit connects Peltier Lake to Centerville Lake. Water from the Mississippi River was first taken to augment the supply in 1925, by means of an intake and pumping station on the river in Fridley. Approximately 75% of the water source is from the Mississippi River and is pumped into the Vadnais Chain of Lakes. Wells drawing from the Prairie du Chien -Jordan are used to augment flows to the water treatment plant when needed. The Rice Creek Chain of Lakes and Otter and Bald Eagle Lakes are used as a reserve supply. The St. Paul Water Utility Water Inflow System is depicted on Figure 12. City of Lino Lakes The City of Lino Lakes has five municipal wells in the city to provide a public water supply. The City's wellhead protection and drinking water supply management area plans outline protections for the wells and the water supply area. Other Appropriations There are 10 other active water appropriations permitted by the DNR within the City of Lino Lakes. These include crop irrigation, sod farms, athletic fields, nursery, and institutional uses of groundwater and surface water. City of Lino Lakes SWMP1 February 8, 2013 Draft' 28 •