by Caltha Company | Dec 17, 2016 | Stormwater, Water
DEQ has begun the process to renew and reissue the NPDES 1200-COLS and NPDES 1200-Z industrial stormwater general permits. The DEQ has maintained different permits covering different geographical areas. The NPDES 1200-COLS permit expired Sept. 30, 2016 and the NPDES...
by Caltha, LLP | Dec 17, 2016 | Caltha LLP Services, Stormwater, Training, Water
Caltha staff are stormwater experts, having worked with stormwater permitting and development of stormwater discharge permit compliance programs and SWPPP since the first stormwater rules were drafted in the 1980s. With this deep foundation in the stormwater rules,...
by Caltha Company | Oct 15, 2016 | Caltha LLP Project Summaries, Hazardous Materials, Industrial Wastewater, Permitting, Spill Prevention, Waste, Waste management, Water
Caltha LLP Project Summary Project: Liquid Waste and Unused/Obsolete Product and Raw Material Disposal Client: Specialty chemical manufacturer Location(s): Minnesota Key Elements: Waste management, Liquid waste disposal, Corrosive liquid handling, Waste disposal...
by Caltha Company | Aug 24, 2016 | Industrial Wastewater, Water
Zinc From Galvanized Metal And Dust Many facilities required to monitor metal concentrations under their industrial stormwater permit have found high levels of zinc in their stormwater discharges. Work conducted by the State of Washington found the major sources of...
by Caltha Company | Aug 23, 2016 | Industrial Wastewater, Stormwater, Water
ADEQ is considering changes to all the reclaimed water rules and expects to publish proposed rule changes, likely in the fall of 2016, Reclaimed water is highly treated wastewater from a wastewater treatment plant. A.R.S. ยง 49-201(32). Reclaimed water has uses such as...