Federal Reports

The U.S. Postal Service’s mission is to provide timely, reliable, secure, and affordable mail and package delivery to more than 160 million residential and business addresses across the country. The U.S. Postal Service Office of Inspector General (OIG) reviews delivery operations at facilities across the country and provides management with timely feedback in furtherance of this mission.

This interim report presents the results of our self-initiated audit of delivery operations and property conditions at the Grand Shelby Carrier Annex in Detroit, MI (Project Number 26-087-1). The Grand Shelby Carrier Annex is in the Michigan 1 District of the Central Area and serves about 19,798 people in ZIP Codes 48208, 48216, and 48226, which are considered urban areas.

We judgmentally selected the Grand Shelby Carrier Annex primarily based on the number of C360 delivery-related inquiries, Leg 1 and Leg 3 failures, and undelivered route data.

The U.S. Postal Service’s mission is to provide timely, reliable, secure, and affordable mail and package delivery to more than 160 million residential and business addresses across the country. The U.S. Postal Service Office of Inspector General (OIG) reviews delivery operations at facilities across the country and provides management with timely feedback in furtherance of this mission. 

This interim report presents the results of our self-initiated audit of delivery operations and property conditions at the Gratiot Station in Detroit, MI (Project Number 26-087-2). The Gratiot Station is in the Michigan 1 District of the Central Area and serves about 21,675 people in ZIP Code 48207, which is considered an urban area.

We judgmentally selected the Gratiot Station primarily based on the number of C360 inquiries related to delivery, STC scans performed away from the delivery point and at the unit, and Leg 3 failures.

The U.S. Postal Service’s mission is to provide timely, reliable, secure, and affordable mail and package delivery to more than 160 million residential and business addresses across the country. The U.S. Postal Service Office of Inspector General (OIG) reviews delivery operations at facilities across the country and provides management with timely feedback in furtherance of this mission.

This interim report presents the results of our self-initiated audit of delivery operations and property conditions at the Strathmoor Station in Detroit, MI (Project Number 26-087-3). The Strathmoor Station is in the Michigan 1 District of the Central Area and serves about 40,657 people in ZIP Code 48227, which is considered an urban area.

We judgmentally selected the Strathmoor Station primarily based on the number of C360 inquiries related to delivery and Leg 1 and Leg 3 failures.

The U.S. Postal Service needs effective and productive operations to fulfill its mission of providing prompt, reliable, and affordable mail service to the American public. It has a vast transportation network that moves mail and equipment among approximately 308 processing facilities and 31,100 post offices, stations, and branches. The Postal Service is transforming its processing and logistics networks to become more scalable, reliable, visible, efficient, automated, and digitally integrated. This includes modernizing operating plans and aligning the workforce to meet marketplace needs; leveraging emerging technologies to provide world-class visibility and tracking of mail and packages in near real time; and optimizing the surface and air transportation network. The U.S. Postal Service Office of Inspector General (OIG) reviews the efficiency of mail processing operations at facilities across the country and provides management with timely feedback to further the Postal Service’s mission.

This report presents the results of our self-initiated audit of the efficiency of operations at the Detroit Processing and Distribution Center (P&DC) in Detroit, MI (Project Number 26-086). We judgmentally selected the Detroit, MI, P&DC based on a review of Leg 1 and Leg 3 failures; workhours; scanning compliance; and late, canceled, and extra trips. The Detroit P&DC is in the Lakeshores Division and processes letters, flats, and parcels. The Detroit P&DC services six 3-digit ZIP Codes in urban and rural communities.

As of February 28, 2026, the Detroit P&DC’s employee availability was 81.8 percent for processing and 89.7 percent for logistics. The Postal Service’s Employee Availability goal for fiscal year (FY) 2026 was 89.6 percent for processing and 93 percent for logistics.

Why We Did This Report

We initiated this evaluation to determine whether the EPA’s oversight verifies that Ohio’s National Pollutant Discharge Elimination System, or NPDES, permitting program implements federal regulatory requirements related to nutrient management plans for concentrated animal feeding operations, or CAFOs.

Summary of Findings

The EPA conducts oversight of the Ohio EPA’s NPDES permitting program for CAFOs in accordance with its responsibilities under the Clean Water Act. We conclude that the EPA’s oversight provides reasonable assurance that Ohio’s program verifies that nutrient management plans for CAFOs include the nine minimum requirements under 40 C.F.R. §122.42(e)(1)(i)-(ix), and we make no recommendations as a result of this evaluation.

Our objective was to determine whether Baltimore County Public Schools (Baltimore County) designed and implemented sufficient processes for overseeing the development of Individualized Education Programs (IEPs) for children with disabilities and ensuring that those children receive the services described in their IEPs. The inspection covered Baltimore County’s processes in these areas from July 1, 2024, through June 30, 2025.

We found that Baltimore County designed and implemented sufficient processes for overseeing the development of IEPs and ensuring that children with disabilities receive the services described in their IEPs. Exclusive of a small number of exceptions, our testing of IEPs and related documentation for a sample of 25 students found that the IEPs included required information and applicable IEP requirements were met and that students received the services described in their IEPs. Because Baltimore County designed and implemented sufficient processes for overseeing the development of IEPs and ensuring that children with disabilities receive the services described in their IEPs, we do not make any recommendations in this report. 

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