OIT Environmental Regulations and Permits Flashcards

What does the term 'public notification' require of a water system that has experienced a violation?

Answer: Inform customers of the violation and any health risks in a timely manner

Public notification rules require water systems to inform customers of violations and associated health risks within specified timeframes.

Under the Disinfectants and Disinfection Byproducts Rule (DBPR), which compounds are regulated as disinfection byproducts?

Answer: Total trihalomethanes (TTHMs) and haloacetic acids (HAA5)

The DBPR regulates TTHMs and HAA5 as the primary disinfection byproducts formed when chlorine reacts with organic matter in water.

What is an operator certification requirement in most US states?

Answer: A state-issued credential that must be renewed periodically and requires continuing education

Most states require water operators to hold a state-issued certification that must be periodically renewed, typically requiring continuing education credits.

What is the purpose of a source water assessment program (SWAP)?

Answer: To identify and evaluate potential contamination sources for drinking water supplies

A SWAP identifies potential contamination sources within a water system's delineated protection area to help prevent source water contamination.

Which federal rule requires water systems to prepare and maintain a Water Security Emergency Response Plan?

Answer: Safe Drinking Water Act Section 1433

SDWA Section 1433 (America's Water Infrastructure Act) requires community water systems to conduct vulnerability assessments and maintain emergency response plans.

What is the minimum disinfectant residual required for chlorine in a drinking water distribution system under federal guidelines?

Answer: 0.2 mg/L

The EPA requires a minimum detectable disinfectant residual of 0.2 mg/L chlorine throughout the distribution system to prevent microbial regrowth.