Our Projects

ConfluenceES is providing engineering services for the City of Morro Bay (City) to support management of its water and wastewater systems and implementation of Capital Improvement Projects (CIP). In 2018, the City of Morro Bay completed its OneWater Plan, which included a comprehensive evaluation of its water, wastewater, and stormwater systems and the development of a prioritized list of recommended rehabilitation, replacement, and new infrastructure projects to allow the City to serve its current and build-out populations. To assist the City in delivering its CIP projects, ConfluenceES is providing permitting, environmental, consultant procurement, design overview, bidding, construction management and project/program management support services. 

The City of Grover Beach (City) contracts with ConfluenceES for operations and engineering support services for their water system. Under this contract, ConfluencES provides services in Water Quality Sampling Support, Water Quality Compliance Reporting, SOP/EOP Development, Bacteriological Sample Siting Plan.  

ConfluenceES provides Executive Director services for the Los Osos Basin Management Committee (BMC) to assist in implementing the Los Osos Groundwater Basin Adjudication. As Executive Director, Dan Heimel coordinates the activities of the BMC, including facilitating BMC Meetings, developing and maintaining BMC budget and finances, overseeing development of the BMC Annual Report and other initiatives, and coordinating BMC Party Staff Meetings.  

Additionally, as BMC Executive Director, Dan Heimel facilitated the BMC Parties in the development of a Strategic Implementation Plan to build consensus and align the BMC on where to focus its staff and financial resources. In 2021, Dan Heimel led the BMC through an updated evaluation of the Sustainable Yield for the Los Osos Basin and achieved unanimous approval of an updated Sustainable Yield estimate which will inform the Los Osos Community Plan and future of Los Osos development. 

ConfluenceES supported San Luis Obispo County Flood Control and Water Conservation District (SLOCFCWCD) in the development of their Master Water Report (MWR). The MWR details water resource planning and management for the County and is updated periodically to reflect significant changes in the County's water infrastructure, regulations, and supply-demand assessments. 

ConfluenceES provided engineering support services to assist the Cambria Community Services District (District) in updating its Watershed Sanitary Survey (WSS). The District’s latest WSS was prepared in 2015 and it is required that the District update the survey to maintain compliance with Division of Drinking Water regulations. The WSS Update was created according to the latest guidelines for preparing Watershed Sanitary Surveys from the Environmental Protection Agency (EPA) and/or the Division of Drinking Water (DDW). ConfluenceES updated each section of the WSS with charts, ArcGIS maps, and details on the status of the District’s watershed.  

ConfluenceES provided support services to assist the City of Pismo Beach (City) in preparing a methodology framework for its Lead Service Line Inventory (LSLI). The U.S. Environmental Protection Agency (EPA) has established a regulatory requirement for water systems to develop and maintain an inventory of service line materials, particularly focusing on lead service lines (LSLs). In California, the initial LSLI must be submitted to the State Water Resource Control Board Division of Drinking Water (DDW). 

To assist the City in complying with these new regulations, ConfluenceES prepared a Stratified Random Sampling LSLI methodology for the City’s LSLI. The LSLI methodology preparation included compiling information on City water systems, water codes/standards, and property addresses accompanied by the year of construction. This data was then manipulated to develop separate strata for grouping service lines based on the construction year. 

ConfluenceES assisted Los Olivos Community Service District (Los Olivos CSD) by creating a Technical Memorandum presenting an analysis of treated wastewater effluent disposal alternatives for the Los Olivos CSD Wastewater Reclamation Program Project.  

ConfluenceES developed a Water Supply Operations Model (Supply Model) that was utilized to evaluate Oceano CSD's (District) water supplies under potential future hydrologic conditions. The findings from the future water supply scenario analysis, which include varying water supply portfolio and hydrology assumptions, are intended to help inform the District on potential strategies to leverage its current and/or future water supply portfolio to maximize the benefit of these critical resources.