Mixed Deck — All UMC Topics Flashcards

Which term describes a comprehensive plan that sets long-term water supply and demand projections to ensure a utility can reliably serve customers 20–50 years into the future?

Answer: Integrated water supply plan (IWSP) or urban water management plan

An integrated water supply plan (or urban water management plan in some states) projects long-term demand, evaluates supply options, and guides infrastructure and conservation investments to maintain reliability across a planning horizon.

The 'revenue decoupling' mechanism breaks the link between a utility's revenues and:

Answer: Sales volume, removing the disincentive to promote energy efficiency

Revenue decoupling adjusts rates so utilities recover a fixed revenue per customer regardless of how much is sold, eliminating the financial incentive to maximize sales over efficiency.

A utility's strategic workforce plan reveals that 35% of its engineering staff will be eligible to retire within five years. This finding primarily calls for action in which HR area?

Answer: Knowledge transfer and succession planning

A large impending retirement wave requires focused succession planning and knowledge transfer initiatives to prevent critical skill gaps.

A utility transitions from a flat rate to a tiered rate structure. Which customer group is MOST likely to experience a bill decrease?

Answer: Low-consumption residential customers

Under tiered rates, low-consumption customers pay the lower first-tier price for all or most of their usage, typically reducing their bills compared to a flat average rate.

A 'buy-in' or 'system capacity' fee differs from an annual service charge primarily because it:

Answer: Is a one-time charge meant to recover the new customer's share of existing infrastructure investment

Buy-in fees make new customers pay their proportionate share of the existing system's asset value, ensuring existing ratepayers are not subsidizing new growth.

A utility's asset registry shows a pump station with a condition score of 4 out of 5 (poor). What action is most consistent with sound asset management practice?

Answer: Escalate to capital planning for near-term rehabilitation or replacement

A poor condition score signals that the asset is approaching end of useful life and should be elevated to capital planning for timely renewal.

During a major water main break that has caused significant street flooding and service disruption, a utility manager implements the Incident Command System (ICS). What is the primary function of ICS in this scenario?

Answer: To provide a standardized management structure for a coordinated response.

The Incident Command System (ICS) is a standardized, on-scene, all-hazards incident management concept. Its primary purpose is to enable a coordinated response among various jurisdictions and agencies by establishing a common organizational structure. This ensures effective and efficient incident management by integrating facilities, equipment, personnel, procedures, and communications operating within a common framework.

A water utility issues a boil water advisory for a large residential area due to a potential contamination event. What is the MOST critical immediate step for the utility's public relations team?

Answer: Use multiple communication channels, such as reverse 911, social media, and website alerts, to disseminate the advisory immediately.

In a public health emergency, the primary responsibility is to inform the affected public as quickly and broadly as possible. Using a multi-channel approach ensures the message reaches the maximum number of people, including those who may not follow traditional media, allowing them to take protective action immediately. Waiting for confirmation or using slower methods poses a significant risk to public health.

What is a common method utilities use to gather customer feedback?

Answer: Customer satisfaction surveys

Surveys are widely used to understand customer needs and identify areas for service improvement.

A water utility is using a risk-based approach to prioritize asset renewal projects. Which of the following assets should be assigned the highest priority for replacement, based on the principles of risk management?

Answer: A 10-year-old critical transmission main running under a major highway with a low likelihood of failure but a very high consequence (widespread outages, traffic shutdown, significant repair costs).

Risk is calculated as the product of the Likelihood of Failure (LoF) and the Consequence of Failure (CoF). While the old cast iron main has a high LoF, its CoF is low, resulting in a moderate risk score. The critical transmission main has a low LoF, but its extremely high CoF results in the highest overall risk score, making its integrity the top priority to ensure system reliability and prevent catastrophic failure.

In asset management, 'whole-of-life costing' requires consideration of which cost categories?

Answer: Capital, operations, maintenance, and end-of-life disposal costs

Whole-of-life costing sums all costs incurred from asset acquisition through disposal, providing a complete picture for comparing alternatives.

How often must utilities typically update emergency response plans?

Answer: Annually or after major events

Utilities are often required to review and update emergency response plans annually or after major incidents to ensure preparedness.

Which regulatory standard sets maximum contaminant levels (MCLs) for public drinking water systems in the US?

Answer: Safe Drinking Water Act

The Safe Drinking Water Act (SDWA) authorizes the EPA to set MCLs and treatment techniques for public water systems.

Utilities track sustainability performance using benchmarking. Which organization provides the primary benchmarking and performance indicator framework used by U.S. water and wastewater utilities?

Answer: American Water Works Association (AWWA)

AWWA's Utility Benchmarking program and its QualServe initiative provide standardized performance indicators that allow utilities to compare operational, financial, and environmental metrics against peers.

Which of the following BEST defines 'public trust' in the context of utility management?

Answer: The confidence communities place in a utility to deliver safe, reliable, and fairly priced services

Public trust reflects the community's belief that the utility operates with integrity, reliability, and fairness.

Which document formally authorizes a utility to discharge pollutants into waters of the United States under the Clean Water Act?

Answer: NPDES Permit

The National Pollutant Discharge Elimination System (NPDES) permit, issued by EPA or authorized states, is the legal authorization to discharge pollutants to surface waters.

Which maintenance strategy involves replacing components at fixed time intervals regardless of condition?

Answer: Preventive maintenance

Preventive maintenance replaces or services components on a scheduled basis to prevent failures before they occur, regardless of current condition.

Which regulatory program requires utilities to notify customers of detected contaminant violations?

Answer: Public Notification Rule under the Safe Drinking Water Act

The Public Notification Rule requires water systems to promptly notify customers when water quality violations occur, including MCL exceedances and monitoring failures.

What is one benefit of utility-sponsored educational programs?

Answer: Promotes conservation and informed utility use

Educational programs increase public awareness about conservation and utility operations, reducing misuse.

In a natural gas distribution system, what is the purpose of a pressure regulating station (PRS)?

Answer: To reduce high transmission pressure to safe distribution pressure levels

A pressure regulating station uses regulator valves to step down high-pressure transmission gas to lower distribution pressures suitable for customer delivery.