Water Supply and Irrigation Systems · Iowa

Underground Utilities

Sioux City, IA · ~40 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
19.5
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

Underground Utilities runs at 1623% of its industry's injury rate - far more dangerous than the typical Water Supply and Irrigation Systems workplace, earning a grade F.

Underground Utilities: 19.5 TCR = 1623% of Water Supply and Irrigation Systems BLS 1.2 · 4y Form 300A (see methodology below)

Underground Utilities safety composite

Underground Utilities scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 1%), 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

14/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 19.48 per 100 workers

Safer than 1% of industry peers

DART rate
F 25.23 per 100 workers

Safer than 1% 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

Underground Utilities: 11.1 → 34.7 TCR

Peak year 2024 @ 34.7 TCR · DART/TCR 1.3× in 2024

Underground Utilities's TCR rose 23.6 from 11.1 in 2021 to 34.7 in 2024. In 2024, DART was 1.3× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 221310 · Sioux City, IA ABOVE-IND · SMALL

Grade F · TCR 19.5 · 1623% of ind

  • DART 25.2 DART
  • RANK #17/18
  • PHOTO Municipal Service Ce…
  • BOOK 4y book
  • INJ 19 inj
  • SIZE ~40 FTE

Nearest TCR peer: Municipal Service Center - Water (0.9 TCR gap)

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

Underground Utilities in the TCR neighbourhood

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

TCR

What this shows Underground Utilities averages 19.5 TCR (1623% of the Water Supply and Irrigation Systems BLS benchmark).

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

Underground Utilities TCR series: 2021=11.1 · 2022=10.7 · 2023=21.4 · 2024=34.7 · BLS 1.2

Where Underground Utilities falls in its industry

727 Water Supply and Irrigation Sy establishments

Safer than 1% of graded establishments in this industry, whose median TCR is 4.2.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #17 safest of 18 Water Supply and Irrigation Sy employers in Iowa.

Underground Utilities (40 employees, TCR 19.5) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.2 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 0100200300 0510152025 Average employees Total Case Rate Underground Utilities
Underground Utilities (40 employees, TCR 19.5) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.2

Underground Utilities has fewer employees than the Water Supply and Irrigation Systems median and a higher injury rate than the industry's median TCR of 4.2. 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
2024 34.7 25.2 10 1 0
2023 21.4 3.1 2 5 0
2022 10.7 8.1 3 1 0
2021 11.1 8.3 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221310 · IA · Sioux City

727 Water Supply and Irrigation Systems employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 259 employers in Sioux 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 Municipal Service Center - Water 18.6 TCR
NAICS-TCR M&B Environmental, Inc. 18.1 TCR
NAICS-TCR California Water Service Group 18.1 TCR
NAICS-TCR Valley of the Moon Water District 17.9 TCR
STATE-SIZE Hill Farm 40 FTE
STATE-SIZE Cedar Rapids Cogen 40 FTE
STATE-SIZE Allamakee-Clayton Electric Cooperative 40 FTE
STATE-SIZE Access Energy Cooperative 40 FTE
CITY-NEAR Seaboard Triumph Foods 2,375 FTE
CITY-NEAR SeaboardTriumph Foods 1,896 FTE
CITY-NEAR St. Luke's Regional Medical Center 1,201 FTE
CITY-NEAR Smithfield Packaged Meats Corp 691 FTE
NAT-TCR Seneca Health Care Center LLC 19.5 TCR
NAT-TCR 287186-Stl-Gaffney Br 19.5 TCR
NAT-TCR 6458-ZERC 19.5 TCR
NAT-TCR Crbg, LLC 19.5 TCR
NAT-SIZE Mc Molds 40 FTE
NAT-SIZE Commercial Roofing LLC 40 FTE
NAT-SIZE Deltak Inc 40 FTE
NAT-SIZE d-7 Roofing LLC - San Marcos 40 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: 2024, 2023, 2022, 2021. 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.