City and town managers' offices · Michigan

Wastewater Treatment Plant

Port Huron, MI · ~21 workers · 8 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.4
Avg TCR
3.2
Industry avg
0
Fatalities
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The verdict

Wastewater Treatment Plant runs at 108% of its industry's injury rate - about level with the typical City and town managers' offices workplace, earning a grade C.

Wastewater Treatment Plant: 3.4 TCR = 108% of City and town managers' offices BLS 3.2 · 8y Form 300A (see methodology below)

Wastewater Treatment Plant safety composite

Wastewater Treatment Plant scores strongest on total case rate (tcr) (safer than 61% of same-industry peers) and weakest on dart rate (safer than 21%), 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).

D

45/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 3.44 per 100 workers

Safer than 61% of industry peers

DART rate
F 4.53 per 100 workers

Safer than 21% of industry peers

Fatalities
D 0

Safer than 52% 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: 4.6 → 9.1 TCR

Peak year 2018 @ 9.4 TCR · DART/TCR 1.32× in 2024

Wastewater Treatment Plant's TCR rose 4.5 from 4.6 in 2016 to 9.1 in 2024. Peak filing year was 2018 at 9.4 TCR. In 2024, DART was 1.32× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 921110 · Port Huron, MI ABOVE-IND · SMALL

Grade C · TCR 3.4 · 108% of ind

  • DART 4.5 DART
  • RANK #27/79
  • PHOTO Steuben County Gover…
  • BOOK 8y book
  • INJ 6 inj
  • SIZE ~21 FTE

Nearest TCR peer: Steuben County Government - Annex Building (0.0 TCR gap)

Read with this employer → · Industry book → · Michigan 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 3.4 TCR (108% of the City and town managers' offices 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=4.6 · 2018=9.4 · 2019=0 · 2020=0 · 2021=0 · 2022=4.5 · 2023=0 · 2024=9.1 · BLS 3.2

Where Wastewater Treatment Plant falls in its industry

1,010 City and town managers' office establishments

Safer than 61% of graded establishments in this industry, whose median TCR is 4.8.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #27 safest of 79 City and town managers' office employers in Michigan.

Wastewater Treatment Plant (21 employees, TCR 3.4) among 29 same-industry peers, split at the industry median of 130 employees and a TCR of 4.8 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 05001,0001,500 05101520 Average employees Total Case Rate Wastewater Treatment Plant
Wastewater Treatment Plant (21 employees, TCR 3.4) among 29 same-industry peers, split at the industry median of 130 employees and a TCR of 4.8

Wastewater Treatment Plant has fewer employees than the City and town managers' offices median and a lower injury rate than the industry's median TCR of 4.8. 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
2024 9.1 4.5 2 0 0
2023 0.0 0.0 0 0 0
2022 4.5 4.5 1 0 0
2021 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2018 9.4 4.7 2 0 0
2016 4.6 4.6 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

921110 · MI · Port Huron

1,010 City and town managers' offices employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 87 employers in Port Huron, MI · 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 Steuben County Government - Annex Building 3.5 TCR
NAICS-TCR City of Midland - Police Department 3.5 TCR
NAICS-TCR Municipio de Las Marias - Alcaldia 3.4 TCR
NAICS-TCR City of Chisholm 3.5 TCR
STATE-SIZE Black Gold Farms Sturgis 21 FTE
STATE-SIZE BE Cultivation 21 FTE
STATE-SIZE 4605_15228 21 FTE
STATE-SIZE Willard DeHaan & Son Grnhs 21 FTE
CITY-NEAR MCLAREN PORT HURON 1,384 FTE
CITY-NEAR McLaren Port Huron Hospital 1,333 FTE
CITY-NEAR County of St. Clair 861 FTE
CITY-NEAR Lake Huron Medical Center 688 FTE
NAT-TCR Greenfield 3.4 TCR
NAT-TCR Brookdale Overland Park 3.4 TCR
NAT-TCR Tennessee Family Solutions 3.4 TCR
NAT-TCR Altus Plus 3.4 TCR
NAT-SIZE Performance Insulation - Central Oregon 21 FTE
NAT-SIZE L & S Metals, Inc. 21 FTE
NAT-SIZE Steel Fabricators Inc 21 FTE
NAT-SIZE Jim Reif Builders Inc 21 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, 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.