The Contractor Report

. Most contractors know that concrete slurry or washout can cause a fish kill, if it reaches a lake or stream.  That's because the flui...

. In the evening of May 27, 2014, shortly after the heaviest downpour ended, a boater* observed a muddy plume extending 100 feet out from t...

. Madison has its own version of the tar sands--an asphalt and concrete recycling operation near the corner of the Beltline and Verona Rd. ...

. First Clean Clear Waters certified home... Highlights advanced erosion control and storm water management practices to help clean ou...

. The construction site for apartments, at the corner of Arbor Dr. and Knickerbocker St., has been consistently poor in its erosion control...

. "Studies show that 19% of the phosphorus in our lakes comes from construction site erosion." We've been asked for the sou...

Below: Trackout from just 1 vehicle, 1 trip, at a construction site. Muddy tracks aren't a question of appearance--often they...

. Here are photos of Bernie's Beach on Monona Bay, and along the shore a bit east--taken on June 7. Weeds, stimulated by phosphorus.....

. Here's a stunning example of the harmful effects of construction site erosion. Construction causes 19% of the phosphorus in our lak...

. Because Contractor Report has documented 13 sediment spills into Monona Bay, plus one extreme dust incident , it's beyond question...

. " Long term exposure to air pollution is linked to heart attacks and strokes because it speeds up hardening of the arteries, known a...

. On Sunday March 10, Findorff was  again unprepared  for rain and thaw.  The rain amounted to .93 inches, augmented by melting snow. ...

. Steve Vanko and I believe these muddy plumes were caused by construction of the Wingra Clinic by the Ghidorzi Companies.  This constructi...

. Many inspections by a variety of companies, filed on the PermiTrack system run by the City of Madison for self-inspections, are late, mi...

. Two projects on the shore of Lake Mendota--reconstruction of the theater, and construction of Alumni Park--have not been properly inspect...

. A Dallas hobbyist was testing his camera-equipped drone last November....  And when he looked at his images after the flight, he saw some...

. Dumping of concrete slurry or washout to the gutter is illegal in Madison.  It's highly alkaline, and may cause a fish  kill, if it w...

. On May 24th, Madison saw gusts of 50 mph, sending billowing clouds of dust from three construction sites we inspected. March and April ...

. EPA records indicate Madison ranks as the 24 th worst city for short-term particulate pollution in the air.  So it's important to un...

. On Saturday, May 19, 2012, the south portion of Westgate Mall was being demolished on a windy day, sending much dust NE into residentia...

. This site (including the other side of the building) is 1.4 acres, and hence requires an erosion control permit from both Shorewood and th...

. Concrete dust will come back to bite you in the end. On April 25, 2012, personnel from ALL-TIM-IT Landscaping , Waunakee, WI,...

. Over the years, a number of springs on the shores of Lake Wingra have gone dry. Vigorous springflow is important, because it helps to k...