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Water Infrastructure: Information on Selected Midsize and Large Cities with Declining Populations

Posted by Content Coordinator on Thursday, October 20th, 2016

UNITED STATES GOVERNMENT ACCOUNTABILITY OFFICE (US GAO)

Why GAO Did This Study

 Figure 1: Location of U.S. Cities with 2010 Populations of 50,000 and Greater That Experienced a Decline in Population from 1980 to 2010Many midsize and large cities throughout the United States, including the Midwest and Northeast, have lost a substantial percentage of their population. These cities face the challenge of a corresponding decline in utility revenues from a loss of ratepayers, which makes it difficult to address their water infrastructure needs. Overall, water and wastewater utilities across the United States face substantial costs to maintain, upgrade, or replace aging and deteriorating infrastructure—approximately $655 billion for water and wastewater utilities over the next 20 years according to EPA’s most recent estimates.

GAO was asked to review the water and wastewater infrastructure needs in midsize and large cities with declining populations. This report examines (1) the economic characteristics of such cities and their water and wastewater infrastructure needs; (2) strategies that selected cities and utilities have used to address their infrastructure needs and the affordability of their water and wastewater rates; and (3) what existing federal programs and policies, if any, could assist such cities in addressing their needs. GAO analyzed decennial census and American Community Survey data, relevant studies, and utility financial statements for 10 cities with the largest population declines from 1980 through 2010 and 14 water and wastewater utilities in those cities. GAO also reviewed laws, regulations, policies, and guidance for six federal programs; analyzed program and city and utility funding data; and interviewed agency and city officials and representatives from 12 of the 14 utilities.

What GAO Found

Midsize cities (with populations from 50,000 to 99,999) and large cities (with populations of 100,000 and greater) that have experienced a population decline are generally more economically distressed than growing cities. Specifically, GAO’s review of American Community Survey data for 674 midsize and large cities showed that the 99 cities with declining population had higher poverty and unemployment rates and lower median income than cities with growing populations. Little research has been done about these cities’ overall water and wastewater infrastructure needs, but the needs of the 10 midsize and large cities that GAO reviewed generally reflected the needs of cities nationally, as identified in needs assessments conducted by the Environmental Protection Agency (EPA). Water and wastewater utility representatives whom GAO interviewed described major infrastructure needs, including pipeline repair and replacement and wastewater improvements to control combined sewer overflows (i.e., wastewater discharges to streams and other water bodies during storms).

Utilities for the 10 cities GAO reviewed used the strategy of raising rates to increase revenues to address water and wastewater infrastructure needs and used other strategies to address concerns about rate affordability for low-income customers. Most of the 14 utilities GAO reviewed raised rates annually to cover declines in revenues related, in part, to decreasing water use from declining populations, or to pay for rising operating and capital expenses. To help address rate affordability concerns, all of the utilities reviewed had developed customer assistance programs, a strategy to make rates more affordable, for example, by developing a payment plan agreeable to the customer and the utility. In addition, most utilities were using or had plans to use one or more cost-control strategies to address needs, such as rightsizing system infrastructure to fit current demands (i.e., reducing treatment capacity or decommissioning water or sewer lines in vacant areas). For example, as part of rightsizing, representatives GAO interviewed for 5 wastewater utilities said that they planned or were considering using vacant areas for green infrastructure (vegetated areas that enhance on-site infiltration) to help control stormwater that can lead to sewer overflows.

As of June 2016, six federal programs and one policy could assist midsize and large cities with declining populations in addressing their water and wastewater infrastructure needs. Cities with declining populations may receive funding from the six programs, managed by EPA, the Economic Development Administration, the Department of Housing and Urban Development (HUD), and the Federal Emergency Management Agency, for such projects. For example, states can use a portion of EPA’s Clean Water and Drinking Water State Revolving Funds to provide additional subsidies in the form of principal forgiveness or negative interest loans to cities that meet state affordability criteria, such as median household income. The Birmingham Water Works Board, one of the 14 utilities GAO reviewed, received $11.6 million from the Drinking Water State Revolving Fund in fiscal years 2010 through 2015, including $1.7 million with principal forgiveness to pay for green projects, such as water efficiency projects.

GAO provided a draft of this report to EPA, the Economic Development Administration, and HUD for comment. The agencies provided technical comments that were incorporated, as appropriate.

Figure 3: Total Available Drinking Water and Clean Water State Revolving Fund (SRF) Funding for Water and Wastewater Infrastructure Projects Compared with Funds Provided by States to Disadvantaged Communities, State Fiscal Years 2010 through 2015

Download full version (PDF): Information on Selected Midsize and Large Cities with Declining Populations

About the United States Government Accountability Office
www.gao.gov
The U.S. Government Accountability Office (GAO) is an independent, nonpartisan agency that works for Congress. Often called the “congressional watchdog,” GAO investigates how the federal government spends taxpayer dollars.

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