impervious cover การใช้

• The watershed is a " sensitive stream " and thus has less than 10 percent impervious cover.
• Although most of the watershed of Ackerly Creek has relatively little impervious cover, an area in the watershed's southernmost reach has approximately 40 percent impervious cover.
• Although most of the watershed of Ackerly Creek has relatively little impervious cover, an area in the watershed's southernmost reach has approximately 40 percent impervious cover.
• Mattawoman drains the town of Indian Head, the town of impervious cover, often cited as a threshold for significant degradation as measured by water quality and species diversity.
• For the first time, the commission added rules encouraging developers to limit impervious cover _ the impermeable surfaces, such as driveways and rooftops, that cover much of a building site.
• While increasing densities regionally can better protect water resources at a regional level, higher-density development can create more impervious cover, which increases water quality problems in nearby or adjacent water bodies.
• Continued loss of forest and increases in impervious cover are anticipated, ( 214 km 2 ) is larger than Washington D . C . ( 61 square miles; 158 km 2 ).
• Austin City Council Member Daryl Slusher called the proposal a step in the right direction, but said it should include restrictions on impervious cover, the surfaces such as rooftops and driveways that force water elsewhere.
• The Texas Commission on Environmental Quality regulates activities affecting water quality for the Edwards Plateau; however, TCEQ's regulations do not address such aspects as land use, impervious cover limitations, nonpoint-source pollution, or application of fertilizers and pesticides over the recharge zone.