Sewage treatment plants or facilities · Washington

MWWD Wastewater Treatment Facility

Mukilteo, WA · ~14 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
2.6
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

MWWD Wastewater Treatment Facility runs at 213% of its industry's injury rate - far more dangerous than the typical Sewage treatment plants or facilities workplace, earning a grade F.

MWWD Wastewater Treatment Facility: 2.6 TCR = 213% of Sewage treatment plants or facilities BLS 1.2 · 2y Form 300A (see methodology below)

MWWD Wastewater Treatment Facility safety composite

MWWD Wastewater Treatment Facility scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

C

68/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.56 per 100 workers

Safer than 69% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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

MWWD Wastewater Treatment Facility: 0.0 → 5.1 TCR

Peak year 2024 @ 5.1 TCR · DART/TCR 0× in 2024

MWWD Wastewater Treatment Facility's TCR rose 5.1 from 0.0 in 2023 to 5.1 in 2024. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 221320 · Mukilteo, WA ABOVE-IND · SMALL

Grade F · TCR 2.6 · 213% of ind

  • DART 0.0 DART
  • RANK #5/8
  • PHOTO Maintenance Systems …
  • BOOK 2y book
  • INJ 0 inj
  • SIZE ~14 FTE

Nearest TCR peer: Maintenance Systems Inc. (0.0 TCR gap)

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

MWWD Wastewater Treatment Facility in the TCR neighbourhood

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

TCR

What this shows MWWD Wastewater Treatment Facility averages 2.6 TCR (213% of the Sewage treatment plants or facilities BLS benchmark).

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

MWWD Wastewater Treatment Facility TCR series: 2023=0 · 2024=5.1 · BLS 1.2

Where MWWD Wastewater Treatment Facility falls in its industry

400 Sewage treatment plants or fac establishments

Safer than 69% of graded establishments in this industry, whose median TCR is 4.4.

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 8 Sewage treatment plants or fac employers in Washington.

MWWD Wastewater Treatment Facility (14 employees, TCR 2.6) 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 MWWD Wastewater Treatment Facility
MWWD Wastewater Treatment Facility (14 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 4.4

MWWD Wastewater Treatment Facility has fewer employees than the Sewage treatment plants or facilities median and a lower 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 5.1 0.0 0 1 0
2023 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221320 · WA · Mukilteo

400 Sewage treatment plants or facilities employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 37 employers in Mukilteo, WA · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Maintenance Systems Inc. 2.6 TCR
NAICS-TCR Camp Creek 2.6 TCR
NAICS-TCR Water Quality Science Building 2.5 TCR
NAICS-TCR SI Environmental 2.5 TCR
STATE-SIZE Precision Seed Production LLC 14 FTE
STATE-SIZE Hawley/Safety-HPI Offices (Location) 14 FTE
STATE-SIZE Conway Construction Company 14 FTE
STATE-SIZE SARCO PRECISION INC 14 FTE
CITY-NEAR WA012 1,421 FTE
CITY-NEAR Travis Industries 534 FTE
CITY-NEAR Electroimpact Inc. 383 FTE
CITY-NEAR Systima Technologies Inc 322 FTE
NAT-TCR TJX Digital Memphis Merchants, LLC 2.6 TCR
NAT-TCR Rockford Il Sales Center 2.6 TCR
NAT-TCR Bluford Jackson & Son, Inc. 2.6 TCR
NAT-TCR Win-Con Enterprises Inc. 2.6 TCR

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. 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.