Storm Water & Water Quality Services

ADH has successfully executed storm water and water quality monitoring programs since 1999. In addition, many of our professional staff have over twenty years of experience performing municipal, industrial, transportation corridor, commercial, and federal water quality projects. ADH staff has performed such projects throughout California, Arizona, Nevada, Hawaii, Oklahoma, and Texas. These programs have been conducted in compliance with municipal and industrial National Pollutant Discharge Elimination System (NPDES) requirements and other pertinent receiving water quality criteria. ADH staff experience cover a wide range of expertise related to storm water and surface water quality management including, but not limited to the following:

• Preparation and implementation of Storm Water Pollution Prevention Plans (SWPPPs) and Sampling and Analysis Plans (SAPs)
• Research and prepare literature reviews and feasibility studies
• Quality Assurance Project Plans (QAPPs), and Monitoring Reports
• Design, installation, maintenance and operation of flowweighted and time-based remote monitoring and sampling stations
• Innovative sampling techniques for dry weather flow, illicit discharge detection, special runoff studies, and tidally influenced outfall sampling programs
• Grab Sampling for Organic Compounds
• Municipal separate storm sewer system (MS4) and combined sewer overflow (CSO) monitoring
• NPDES ocean-outfall receiving waters monitoring
• Wet weather and dry season observations and reporting
• Facilities inspections
• Illicit discharge source tracking
• Stream rating
• Prepare training manuals and conduct classroom and in-the-field storm/surface water quality sampling and monitoring training
• Quality Assurance and Quality Control

BMP Experience:

Storm water best management practices (BMP) program experience have included evaluation of pollutant removal capabilities of natural and constructed landscaped features and manmade treatment systems by evaluating and/or incorporating certain management practices, or the installation and testing of engineering control devices (BMPs) as presented below:

• Storm Water Pollution Prevention Plan (SWPPP) investigation, evaluation and revision
• Storm water detention/sediment retention basin design
• Industrial facilities sediment control BMPs design and implementation
• BMP efficacy testing of a storm water separator
• Open and/or Gap Graded Asphalt Pavements (OGGAP) Water Quality Study