- Lake Bernard Frank
lake_name = Lake Bernard Frank
coords = coord|39.105654|N|77.114496|W|type:waterbody_region:US|display=inline,title
inflow = North Branch of Rock Creek
outflow = North Branch of Rock Creek
catchment = convert|12.2|sqmi|abbr=on
basin_countries = United States
length = convert|0.85|mi|abbr=on
width = convert|950|ft|abbr=on
area = convert|54|acre|ha|0|abbr=on
depth = convert|12.8|ft|abbr=on
max-depth = convert|26.5|ft|abbr=on
volume = convert|233000000|USgal|m3|abbr=on
Lake Bernard Frank, commonly called Lake Frank, is a 54
acre man-made lakein Derwood, Maryland, United States, just north of Rockville. It is located on the North Branch of Rock Creek. Its boundaries are, approximately, Route 28, Avery Road, and Muncaster Mill Road. Lake Frank was created in 1966 to aid in floodand sediment control, as well as to provide recreation. It has an earthen dam, installed in 1967, on its southern side. It was created as a sister lake to Lake Needwood. Lake Frank is owned by the Maryland-National Capital Park and Planning Commission(M-NCPPC).
The lake's secluded location within [http://www.mc-mncppc.org/Parks/facilities/regional_parks/rockcreek/index.shtm Rock Creek Regional Park] is another of its assets. Visitors to the lake must bike or walk about 1/4 of a mile from all
parking lots to get to the lakeshore. The Lake Frank & Meadowside Trails surround the lake, making it a favorite hikingspot. Also, locals enjoy fishingfrom the shoreline, though a license is needed to do so. However, swimming, boating, and ice skatingare prohibited.
The main trail around Lake Frank, the Lakeside Trail, is a 3 1/4 mile long loop. Approximately 2/3 of the trail is unpaved and traverses through the woods surrounding the lake. The other part of the trail is wider and paved. At the approximate half way point of the trail, there is a creek that must be crossed. Though there are a group of rocks which form a bridge-like path across, the creek may be unpassable for some depending on the water level.
Recently, pollution of the lake has been slowing, in contrast to previous years. In 1998, the Maryland Department of the Environment (MDE) identified Lake Frank as "impaired by nutrients" on its list of impaired
surface waters. Eutrophic conditions in the lake were described at that time, evidenced by excessive algal growth and low dissolved oxygen levels. In 2002, MDE prepared a report based on more recent monitoring data which indicated improved conditions. The 2002 report proposed that the lake be removed from the impairment listing. [Maryland Department of the Environment. Baltimore, MD. [http://www.mde.state.md.us/Programs/WaterPrograms/TMDL/ApprovedFinalTMDL/WQA_bernardfrank_final_eutro.asp "Water Quality Analyses (WQA) with EPA Concurrence of MDE's Findings: Lake Bernard Frank."] January 22, 2003.]
* Montgomery County Deptartment of Parks
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