Newletters, helpful advice and other pearls of wisdom from Earthworks' staff.
by Mark Hubbard // 2020-08-04
The Maricopa County Air Quality Department has the following purpose statement “Working to improve the air of Maricopa County so customers, residents, and visitors can live, work, and play in a healthy environment”. One way to accomplish this is to enforce a strict set of rules that gover...
Read Moreby Haley Daily // 2020-08-04
As urbanization and development activities continue the number of impervious surfaces increases, leading to a rise in volume and rate of stormwater runoff. With higher amounts of runoff, pollutants are more likely to contaminate water if not properly treated. In the early 1970s, two-third...
Read Moreby Matthew Trygg // 2020-08-04
A Storm Water Pollution Prevention Plan (SWPPP) must be developed prior to the start of construction and prior to applying for any National Pollutant Discharge Elimination System (NPDES) permit in order to receive a NPDES Permit. A well-developed SWPPP is the first line of defense for sed...
Read Moreby Rick Jackson // 2020-08-03
Several challenges arise when building in an area that has Karst topography. These areas prominently occur in areas where the bedrock has carbonate-rich rocks like Limestone, Dolomite, and Gypsum. These rocks under the right circumstance will dissolve and leave voids beneath the ground s...
Read Moreby Brian Hartman // 2020-08-03
Temporary (temp) stabilization is any material or product that can be applied to disturbed ground and stockpiles, for erosion control protection. Temporary stabilization is intended to counteract the erosive influences of rain, snowmelt and wind. Without temp stabilization on disturbed ar...
Read Moreby Brooks Morse // 2020-08-03
The main purpose of a dust palliative is to temporarily prevent erosion and provide temporary stabilization for dust. Dust palliatives are often used in the construction industry and can be used in a variety of climates such as the desert here in Arizona. Proper research should be done to dete...
Read Moreby Johnathan Clayton // 2020-08-03
Arguably one of the most important Best Management Practices (BMP) on a construction site, whether residential or commercial, is the installation and maintenance of perimeter controls. Perimeter controls may vary depending on the needs of the construction site (ie. Silt fence, fiber logs,...
Read Moreby Mark Hubbard // 2020-08-03
This Q1 2020 article will diverge from the normal focus on strictly stormwater information. In the wake of the Covid-19 pandemic there are many questions and uncertainties as we all look for answers. One recommended social practice now being accepted worldwide is Social Distancing. The fo...
Read Moreby Matthew Trygg // 2020-08-03
The Illinois Urban Manual is a technical reference for those involved in the inspecting and/or installing Best Management Practices (BMPs) for soil and erosion control on construction sites in the state of Illinois. The manual has been put together and updated by the state of Illinois and...
Read Moreby Haley Daily // 2020-08-03
States are required to follow the National Pollutant Discharge Elimination System (NPDES) permit program set by the Environmental Protection Agency (EPA). The EPA has authorized most states to perform their own permitting, administrative and enforcement aspects of the program (NPDES, 2020...
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