airport/documents/Mesquite Master Plan Final.pdf - The City of ...
airport/documents/Mesquite Master Plan Final.pdf - The City of ...
airport/documents/Mesquite Master Plan Final.pdf - The City of ...
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TABLE A (Continued)<br />
Environmental Evaluation<br />
Environmental Resource Potential Resource Impacts<br />
Floodplains. Significant impacts to<br />
floodplains occur when a proposed action<br />
results in notable adverse impacts on<br />
natural and beneficial 100-year floodplain<br />
values.<br />
Hazardous Materials, Pollution<br />
Prevention, and Solid Waste. <strong>The</strong> <strong>airport</strong><br />
must comply with applicable pollution<br />
control statutes and requirements. Impacts<br />
may occur when changes to the quantity or<br />
type <strong>of</strong> solid waste generated, or type <strong>of</strong><br />
disposal, differ greatly from existing<br />
conditions.<br />
B-6<br />
• According to the Federal Emergency<br />
Management Agency (FEMA) Federal<br />
Insurance Rate Maps dated August 28,<br />
2001, the <strong>airport</strong> is located in a Zone X.<br />
This zone represents an area <strong>of</strong> 500-year<br />
flood; areas <strong>of</strong> 100-year flood with<br />
average depths <strong>of</strong> less than one foot or<br />
with drainage less than one mile; and<br />
areas protected by levees from a 100year<br />
flood.<br />
• As mentioned previously, the East Fork<br />
<strong>of</strong> the Trinity River is located<br />
approximately one-mile east <strong>of</strong> the<br />
<strong>airport</strong>. <strong>The</strong> 100-year floodplain<br />
associated with the river remains just<br />
east <strong>of</strong> the Dallas-Kauffman County<br />
line, east <strong>of</strong> the <strong>airport</strong>. Additionally, a<br />
100-year floodplain associated with the<br />
North <strong>Mesquite</strong> Creek, a tributary to<br />
the East Fork Trinity River, is located<br />
approximately one mile west and<br />
southwest <strong>of</strong> the <strong>airport</strong>.<br />
• No impacts to floodplains are<br />
anticipated as no proposed<br />
improvements are planned to be<br />
constructed within the previously<br />
•<br />
outlined floodplain areas.<br />
<strong>The</strong> <strong>airport</strong> will need to continue to<br />
comply with a National Pollution<br />
Discharge Elimination System (NPDES)<br />
permit, which will ensure that pollution<br />
control measures are in place at the<br />
<strong>airport</strong>.<br />
As development occurs at the <strong>airport</strong>,<br />
the permit will need to be modified to<br />
reflect the additional impervious<br />
surfaces and stormwater retention<br />
facilities. <strong>The</strong> addition and removal <strong>of</strong><br />
impervious surfaces may require<br />
•<br />
modifications to this permit should<br />
drainage patterns be modified.<br />
As a result <strong>of</strong> increased operations at<br />
the <strong>airport</strong>, solid waste will slightly<br />
increase; however, these increases are<br />
not anticipated to be significant.