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I
<br /> BILLY CREEK FILTER MARSH PARK
<br /> HIGHLIGHTS:
<br /> I • Stormwater management
<br /> • Bids and specifications
<br /> ■ Design engineering ■ Construction management
<br /> ■ Wetlands delineation/remediation • Construction drawings
<br /> I ^ • Park amenities •
<br /> ■ Water quality monitoring Reduction of nutrient loading
<br /> • Reduction of solids loading
<br /> I The Billy Creek Watershed, approximately
<br /> 12 square miles in size, is located within the ,
<br /> northcentral portions of the City of Fort ".,.,n.tn ' '' I '< `; r - ', P
<br /> Myers' corporate limits. In the past, many TMAM '^� rCif,,O `m `, )�`,"
<br /> deep, narrow earthen channels and subsurface il'.mm.c.`R"' '/j; r zJ gli • 1,N� 171,A0``I;/
<br /> oarncness
<br /> drainage piping systems were installed in the amHAMMOC F -n ; t
<br /> I watershed to remove stormwater as efficiently wan., , , �! r. �, � � f, �.��
<br /> as possible. Stormwater pollutants inherent �: f . {�s af�aJ..) 14:-:"Ar.
<br /> r.�?J
<br /> with local land use activities were also a, °=�' f- ',r.
<br /> 1 transported and discharged, without any q� `� ,_;
<br /> attenuation, absorption, or assimilation, into ,, ` o:. �f>l !..e7,r
<br /> id
<br /> `, . ..�
<br /> the natural systems of Lower Charlotte ft1'
<br /> I Harbor.
<br /> JtP �`. .
<br /> ECT was contracted to provide engineering
<br /> •1-- r
<br /> I design, construction management, monitoring,
<br /> wetland delineation, wildlife surveys, wetland planting designs, and other consulting services for the
<br /> Billy Creek Filter Marsh Park. The project, a 56-acre water quality improvement facility, includes
<br /> I cycling and pedestrian trails adjacent to the Billy Creek canal. The filter marsh system consists of a
<br /> control weir structure which diverts flows from the channelized portion of Billy Creek, one 6-acre
<br /> lake, two 4-acre filter marshes, and restoration of an existing 12-acre cypress hammock. The system
<br /> I was designed to flow through the lake, thence into the filter marshes and cypress hammock, and return
<br /> to Billy Creek under normal seasonal flow conditions. In addition, the filter marsh park is wholly
<br /> contained within the 100-year floodplain and increases the over bank storage volume, as well as.
<br /> I include a pathway, which will meander through the filter marsh park for recreational (pedestrian and
<br /> cycling access) and environmental education purposes.
<br /> I The lake provides for removal of the suspended solids and sediments. The wetland marshes provide for
<br /> the removal of nutrients including nitrogen and phosphorus, and also heavy metals. An annual or bi-
<br /> annual maintenance activity removed the accumulated pollutants from the facilities and a monitoring
<br /> I program measured the specific level of success of the facilities in polishing/improving water quality.
<br /> This project was consistent with goals and objectives of that identified as "Priority Waterbodies" for
<br /> the Lower Charlotte Harbor by the South Florida Water Management District and the City of Fort
<br /> Myers stormwater management plan.
<br /> I
<br /> ILV/ PROJECT PROFILE ea a
<br /> 1 Y.'FTPOISCIP INE\Y'ATERIPROFBFS VIAFFM-B W YCRK DOC-030912
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