TO: Indian River County Board of County Commissioners
THROUGH: John A. Titkanich, Jr, County Administrator
Sean C. Lieske, Director of Utility Service
FROM: Howard G. Richards, PE, Manager, Capital Projects
DATE: August 27, 2025
SUBJECT: Amendment 1 to Work Order 1 to Arcadis U.S. for America’s Water Infrastructure Act Risk and Resilience Assessment and Emergency Response Plan Updates, IRCDUS Project ID 00.24.518
__________________________________________________________________
BACKGROUND
Indian River County Department of Utility Services (IRCDUS) provides water, wastewater, and reuse services to major portions of Indian River County (IRC), including the City of Sebastian and Town of Orchid. IRCDUS’ water system is the largest in the County with a combined annual average Consumptive Use Permit (CUP) of 12.838 million gallons per day (MGD) that serves a population of over 110,000 across an urban service area (USA) of 96.44 square miles.
On October 23, 2018, America's Water Infrastructure Act (AWIA) was signed into law. Section 2013 of AWIA amended the Safe Drinking Water Act (SDWA), to require community water systems (CWSs) serving more than 3,300 people to develop or update risk and resilience assessments (RRAs) and emergency response plans (ERPs). CWS’ were required to self-certify, with the U.S. Environmental Protection Agency (US EPA), the completion of their AWIA compliant RRAs and ERPs by specified deadlines based on the population served. Thereafter, CWS’ must review, revise where applicable, and recertify their RRAs and ERPs to US EPA every five years from the original deadlines specified in the law.
To meet compliance with requirements of the AWIA five-year review while ensuring that emerging threats to the water system are addressed, the Indian River County Board of County Commissioners (BCC) on September 10, 2024, approved Work Order No.1 (WO 1) to Arcadis U.S., Inc. (Arcadis) under its continuing contract agreement with the County...
Click here for full text