Geist Reservoir

INDIANA


Geist Reservoir News

Is Your Boat’s Long Winter Nap Going Well?

BoatUS News

Date: 1/1/2023

SPRINGFIELD, VA., Jan. 24, 2022 – Storms have hammered the U.S., and many recreational boats are sleeping away the winter under a layer of ice and snow. If you store your boat outside and haven’t checked up on her lately, Boat Owners Association of The United States (BoatUS) has five tips for a midwinter

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What Every Boater Wants for the Holidays: 24/7 On-Water Assistance from TowBoatUS

BoatUS News

Date: 11/14/2022

Gadgets may make good holiday gifts. However, for a boater, having 24/7 on-the-water help just a call away is much better. Like belonging to an auto club for recreational boat owners, a BoatUS Unlimited Towing Membership provides professional on-water towing services by the TowBoatUS fleet - the nation’s largest

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What Did We Name Our Boats in 2022? Top 10 Boat Names List

BoatUS News

Date: 11/11/2022

Now that recreational boating is coming to a close in much of the country, BoatUS takes a look back at the Top 10 boat names ordered this season through its online boat graphics service and provides some commentary. Andiamo: Meaning “let’s go / we go / come on” in Italian, Andiamo remains in the

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Boat Winterizing Truth or Myth? Test Your Knowledge

BoatUS News

Date: 11/1/2022

Recreational boat owners are preparing their boats for a long winter’s nap, but sugarplums aren’t dancing in their heads. What may keep them up at night is hoping cold temperatures won’t damage their boats. Freshwater expands in volume by about 9% when it freezes and can push outward with a force of

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3 Boating Safety Tips Just Right for Fall Boating

BoatUS News

Date: 10/1/2022

Fall boating season has arrived, and with it come different types of risks that cold water and air temperatures bring. Here are three boating safety tips from the BoatUS Foundation for Boating Safety and Clean Water just right for leaf peeping season. A float plan is needed: A float plan is as simple as telling a

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• Length: 35 Miles
• Surface Area: 1,890 Acres
• Volume: 21,180 Acre Feet
• Drainage Area: 215 Square Miles
• Average Depth: 10 Feet
Geist Reservoir is a reservoir in the northeastern part of metropolitan Indianapolis, Indiana, USA. It was constructed in 1943 by damming Fall Creek to provide water for Indianapolis. Upon completion, Geist Reservoir was the second-largest man-made lake in Indiana, providing approximately 7,000,000,000 US gallons of water. The reservoir is located primarily in the northeast corner of Indianapolis and the southeast corner of Fishers, but small parts reach into the nearby towns of Lawrence, Fortville, and McCordsville.

Geist Reservoir was named after Clarence Geist, a former owner of the Indianapolis Water Company who foresaw a deficit in Indianapolis's water supply and envisioned Geist Reservoir to preemptively address the problem. Planning for the reservoir began as early as 1913, when hydraulic engineers estimated that White River and Fall Creek would not provide enough water for the increasing needs of Indianapolis. Geist gradually bought some 5,000 acres in Fall Creek Valley in the 1920s and 1930s, including the small town of Germantown, which today lies at the bottom of the reservoir. Although controversial, the reservoir was completed in 1943, five years after Clarence Geist's death. In the 1960s further controversy arose over plans for commercial and residential development in the area around the lake. A proposal in the 1970s to triple the size of the reservoir was defeated, and a housing boom began in the lake area.

In recent years the Geist area has experienced rapid growth. The area is noted for its topography and the reservoir. In recent years the reservoir has experienced problems with algal blooms and invasive aquatic species.

Geist Reservoir Dam is located at the lake's southern end. Fed by Fall Creek on the north, the lake overflow is directed into the creek again at the south. The earthen dam is 44 feet high, with a length of 1,400 feet at its crest. The reservoir capacity is 60,000 acre-feet, although normal storage is 21,180 acre-feet.

The reservoir is mostly rather shallow (10 feet or less). The area has undergone rapid development and some high-valued homes now line the reservoir's waterfront.

Geist Reservoir covers 1,900 acres and spans three counties in Indiana (Marion, Hamilton, and Hancock), four voting precincts, three school districts (Lawrence, Hamilton Southeastern, and Mt. Vernon), and features five different ZIP codes (46037, 46256, 46236, 46040, 46055).
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