Sewage Treatment Facilities · Iowa

Wastewater Treatment Plant

Sioux City, IA · ~27 workers · 9 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.1
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

Wastewater Treatment Plant runs at 922% of its industry's injury rate - far more dangerous than the typical Sewage Treatment Facilities workplace, earning a grade F.

Wastewater Treatment Plant: 11.1 TCR = 922% of Sewage Treatment Facilities BLS 1.2 · 9y Form 300A (see methodology below)

Wastewater Treatment Plant safety composite

Wastewater Treatment Plant scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 11%), 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

21/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.06 per 100 workers

Safer than 11% of industry peers

DART rate
F 7.53 per 100 workers

Safer than 13% of industry peers

Fatalities
D 0

Safer than 50% 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

Wastewater Treatment Plant: 0.1 → 11.3 TCR

Peak year 2018 @ 20.9 TCR · DART/TCR 0.68× in 2024

Wastewater Treatment Plant's TCR rose 11.2 from 0.1 in 2016 to 11.3 in 2024. Peak filing year was 2018 at 20.9 TCR. In 2024, DART was 0.68× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 221320 · Sioux City, IA ABOVE-IND · SMALL

Grade F · TCR 11.1 · 922% of ind

  • DART 7.5 DART
  • RANK #4/5
  • PHOTO West Wastewater Plant
  • BOOK 9y book
  • INJ 20 inj
  • SIZE ~27 FTE

Nearest TCR peer: West Wastewater Plant (0.1 TCR gap)

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

Wastewater Treatment Plant in the TCR neighbourhood

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

TCR

What this shows Wastewater Treatment Plant averages 11.1 TCR (922% of the Sewage Treatment Facilities BLS benchmark).

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

Wastewater Treatment Plant TCR series: 2016=0.1 · 2017=13.4 · 2018=20.9 · 2019=11.1 · 2020=4 · 2021=17.7 · 2022=17.2 · 2023=4 · 2024=11.3 · BLS 1.2

Where Wastewater Treatment Plant falls in its industry

400 Sewage Treatment Facilities establishments

Safer than 11% of graded establishments in this industry, whose median TCR is 4.4.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 5 Sewage Treatment Facilities employers in Iowa.

Wastewater Treatment Plant (27 employees, TCR 11.1) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 4.4 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 0200400600 0510152025 Average employees Total Case Rate Wastewater Treatment Plant
Wastewater Treatment Plant (27 employees, TCR 11.1) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 4.4

Wastewater Treatment Plant has fewer employees than the Sewage Treatment Facilities median and a higher injury rate than the industry's median TCR of 4.4. 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 11.3 7.5 3 0 0
2023 4.0 0.0 0 1 0
2022 17.2 12.9 3 1 0
2021 17.7 13.3 3 1 0
2020 4.0 0.0 1 0 0
2019 11.1 0.0 1 2 0
2018 20.9 20.9 5 0 0
2017 13.4 0.0 3 0 0
2016 0.1 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221320 · IA · Sioux City

400 Sewage Treatment Facilities 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 West Wastewater Plant 11.1 TCR
NAICS-TCR Public Works 11.0 TCR
NAICS-TCR CENTRAL DAVIS SEWER DISTRICT 10.9 TCR
NAICS-TCR Honouliuli Wastewater Treatment Plant 10.9 TCR
STATE-SIZE 2520-Storm Lake, IA (Monsanto Co.) 27 FTE
STATE-SIZE Quality Construction Services, Inc. 27 FTE
STATE-SIZE The Weitz Company - Mission Critical - Microsoft DSM 14 27 FTE
STATE-SIZE OEL Construction Services Inc. 27 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 MN United 11.1 TCR
NAT-TCR Sail Energy LLC dba Murray Heutz Oil and Propane 11.1 TCR
NAT-TCR Portland Streetcar 11.1 TCR
NAT-TCR Perham Egg LLC 11.1 TCR
NAT-SIZE Vandalia Avenue 27 FTE
NAT-SIZE COD040 27 FTE
NAT-SIZE TNK002 27 FTE
NAT-SIZE Lincoln Rural Fire Protection District 27 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, 2020, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.