We assist public and private clients comply with Clean Water Act (CWA), Safe Drinking Water Act (SDWA), National Environmental Policy Act (NEPA), Endangered Species Act (ESA), and Fish and Wildlife Coordination Act (FWCA), National Pollutant Discharge System (NPDES), and other federal, state, and local requirements. Past and current projects include Section 404 permits (including wetlands delineations and biological assessments), Section 401 certifications, new capacity planning system requirements for drinking water facilities, environmental assessments, participation in large regional water supply project Environmental Impact Statement processes, Section 7 Consultation and Section 10 Takings Permits. Other areas of expertise include 1041 Permits, U.S. Forest Service Special Use Permits, Colorado Discharge Permit System (CDPS), Use Attainability Analyses (UAA), 303(d) hearings, Section 208 wastewater utility planning, and Superfund cleanup activities. We also work with clients helping them develop and implement local stormwater and pretreatment programs in compliance with state and federal requirements.
Regulatory and Permitting
Regulatory and Permitting Projects
MS4 Compliance Assurance Audit
MS4 Compliance Assurance Audit
Evaluated minimum control measure (MCM) requirements found in MS4 CDPS General Permit, MS4 CDPS General Permit Rationale, Stormwater Discharges associated...
Eagle Park Reservoir Enlargement Environmental Permitting
Eagle Park Reservoir Enlargement Environmental Permitting
Eagle Park Reservoir is an off-channel reservoir located on property formerly owned by the Climax Molybdenum Company (Climax) at the...
Broomfield – Heit Pit (Environmental Management)
Broomfield – Heit Pit (Environmental Management)
LRE developed a design and bid documents for a 1,500 foot, 15 cfs pressurized pipeline to convey raw water from...
Coal Creek Diversion Structure Rehabilitation (Environmental Management)
Coal Creek Diversion Structure Rehabilitation (Environmental Management)
Developed design plans to reconstruct the ditch headworks and upper ditch reaches Challenges included shifted stream channels and FEMA funding...
Mann Lakes Reservoir Repair
Mann Lakes Reservoir Repair
Conducted a field investigation to assess damage impacts to the clay liner stability and permeability Repairs were designed based on...
Chatfield Reservoir Storage Reallocation Project
Chatfield Reservoir Storage Reallocation Project
From 2005 to 2011, LRE represented the City of Brighton as a participant in the Chatfield Reservoir Reallocation Project. After...
Greeley Water Storage Expansion Project
Greeley Water Storage Expansion Project
Milton Seaman Reservoir Since 2004, LRE staff has assisted the City of Greeley with the NEPA and 404 permitting processes...
Roxborough Diversion Study
Roxborough Diversion Study
Completed feasibility-level designs for alternatives for construction of a 24 cfs diversion structure Aided in the development of design criteria...
Emergency 404 Permit for Gore Creek Sewer Line Repair
Emergency 404 Permit for Gore Creek Sewer Line Repair
Emergency repair to the main bypass pipeline which carries sewage from the Vail Wastewater Treatment Facility (WWTF) to the Avon...