Mail and Parcel Delivery · Iowa

185760-Mason City Po

Mason City, IA · ~65 workers · 6 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
10.4
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

185760-Mason City Po runs at 232% of its industry's injury rate - far more dangerous than the typical Mail and Parcel Delivery workplace, earning a grade F.

185760-Mason City Po: 10.4 TCR = 232% of Mail and Parcel Delivery BLS 4.5 · 6y Form 300A (see methodology below)

185760-Mason City Po safety composite

185760-Mason City Po scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 4%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

F

22/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 10.42 per 100 workers

Safer than 20% of industry peers

DART rate
F 19.41 per 100 workers

Safer than 4% of industry peers

Fatalities
D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Rising injury rate

185760-Mason City Po: 12.0 → 21.0 TCR

Peak year 2022 @ 21.0 TCR · DART/TCR 1.86× in 2022

185760-Mason City Po's TCR rose 9.0 from 12.0 in 2017 to 21.0 in 2022. In 2022, DART was 1.86× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 491110 · Mason City, IA ABOVE-IND · SMALL

Grade F · TCR 10.4 · 232% of ind

  • DART 19.4 DART
  • RANK #108/157
  • PHOTO WESTHAMPTON_1387300
  • BOOK 6y book
  • INJ 30 inj
  • SIZE ~65 FTE

Nearest TCR peer: WESTHAMPTON_1387300 (0.0 TCR gap)

Read with this employer → · Industry book → · Iowa employers → · Look up another →

185760-Mason City Po in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows 185760-Mason City Po averages 10.4 TCR (232% of the Mail and Parcel Delivery BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

185760-Mason City Po TCR series: 2017=12 · 2018=6.5 · 2019=8.5 · 2020=5.2 · 2021=9.3 · 2022=21 · BLS 4.5

Where 185760-Mason City Po falls in its industry

13,818 Mail and Parcel Delivery establishments

Safer than 20% of graded establishments in this industry, whose median TCR is 6.8.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #108 safest of 157 Mail and Parcel Delivery employers in Iowa.

185760-Mason City Po (65 employees, TCR 10.4) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 6.8 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 050100150 0510152025 Average employees Total Case Rate 185760-Mason City Po
185760-Mason City Po (65 employees, TCR 10.4) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 6.8

185760-Mason City Po has more employees than the Mail and Parcel Delivery median and a higher injury rate than the industry's median TCR of 6.8. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2022 21.0 19.4 7 6 0
2021 9.3 6.2 6 0 0
2020 5.2 3.5 3 0 0
2019 8.5 6.8 5 0 0
2018 6.5 6.5 4 0 0
2017 12.0 12.0 5 2 0

OSHA ITA peer cross-reference

Establishment peer ledger

491110 · IA · Mason City

13,818 Mail and Parcel Delivery employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 126 employers in Mason City, IA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR WESTHAMPTON_1387300 10.4 TCR
NAICS-TCR GLOUCESTER_1365034 10.4 TCR
NAICS-TCR OAKS_1435850 10.4 TCR
NAICS-TCR 229225-WELLS PO 10.4 TCR
STATE-SIZE PDA Duane Arnold 65 FTE
STATE-SIZE Dubuque Operating Center 65 FTE
STATE-SIZE Forrest and Associate Inc 65 FTE
STATE-SIZE Cedar Rapids, IA/Quad Cities HVAC 65 FTE
CITY-NEAR Mercy Medical Center East Campus 1,592 FTE
CITY-NEAR Mercy Medical Center-Mason City-MHS-IA/NE 1,590 FTE
CITY-NEAR MercyOne North Iowa Medical Center 1,556 FTE
CITY-NEAR CURRIES 683 FTE
NAT-TCR 190319-Andover Po 10.4 TCR
NAT-TCR 556210-Parkersburg Po 10.4 TCR
NAT-TCR 353000-Franklin Square Po 10.4 TCR
NAT-TCR 229225-Wells Po 10.4 TCR
NAT-SIZE 566490-Pewaukee Po 65 FTE
NAT-SIZE 566055-Mil-North Shore Br 65 FTE
NAT-SIZE 568765-Mil-West Allis Br 65 FTE
NAT-SIZE 255455-Lincoln Park Po 65 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2022, 2021, 2020, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.