Water supply systems · Washington
Sammamish Plateau Water & Sewer District
Sammamish, WA · ~60 workers · 6 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 4.0
- Avg TCR
- 1.2
- Industry avg
- 0
- Fatalities
The verdict
Sammamish Plateau Water & Sewer District runs at 329% of its industry's injury rate - far more dangerous than the typical Water supply systems workplace, earning a grade F.
Sammamish Plateau Water & Sewer District: 4.0 TCR = 329% of Water supply systems BLS 1.2 · 6y Form 300A (see methodology below)
Sammamish Plateau Water & Sewer District safety composite
Sammamish Plateau Water & Sewer District scores strongest on total case rate (tcr) (safer than 53% of same-industry peers) and weakest on dart rate (safer than 13%), 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).
39/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- D 3.95 per 100 workers
Safer than 53% of industry peers
- DART rate
- F 7.09 per 100 workers
Safer than 13% 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
Sammamish Plateau Water & Sewer District: 3.8 → 7.1 TCR
Peak year 2024 @ 7.1 TCR · DART/TCR 1.79× in 2024
Sammamish Plateau Water & Sewer District's TCR rose 3.3 from 3.8 in 2019 to 7.1 in 2024. In 2024, DART was 1.79× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 221310 · Sammamish, WA ABOVE-IND · SMALL
Grade F · TCR 4.0 · 329% of ind
- DART 7.1 DART
- RANK #7/22
- PHOTO County of Harnett-Ha…
- BOOK 6y book
- INJ 13 inj
- SIZE ~60 FTE
Nearest TCR peer: County of Harnett-Harnett Regional Water (0.0 TCR gap)
Read with this employer → · Industry book → · Washington employers → · Look up another →
Sammamish Plateau Water & Sewer District in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Sammamish Plateau Water & Sewer District
4 TCR
- American Water
American Water
4 TCR
- County of Harn
County of Harnett-Harnett Regional Water
3.9 TCR
- CCWA BUELLTON
CCWA BUELLTON ADMINISTRATIVE OFFICE
3.9 TCR
- UTY - West - B
UTY - West - Boise,ID
3.9 TCR
What this shows Sammamish Plateau Water & Sewer District averages 4.0 TCR (329% of the Water supply systems BLS benchmark).
Sammamish Plateau Water & Sewer District TCR series: 2019=3.8 · 2020=3.8 · 2021=1.8 · 2022=1.9 · 2023=5.4 · 2024=7.1 · BLS 1.2
Where Sammamish Plateau Water & Sewer District falls in its industry
727 Water supply systems establishmentsSafer than 53% of graded establishments in this industry, whose median TCR is 4.2.
Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #7 safest of 22 Water supply systems employers in Washington.
Sammamish Plateau Water & Sewer District has more employees than the Water supply systems median and a lower 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 | 7.1 | 7.1 | 4 | 0 | 0 |
| 2023 | 5.4 | 5.4 | 3 | 0 | 0 |
| 2022 | 1.9 | 0.0 | 1 | 0 | 0 |
| 2021 | 1.8 | 1.8 | 1 | 0 | 0 |
| 2020 | 3.8 | 0.0 | 2 | 0 | 0 |
| 2019 | 3.8 | 1.9 | 2 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
221310 · WA · Sammamish
727 Water supply systems employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 10 employers in Sammamish, WA · 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 | County of Harnett-Harnett Regional Water | 3.9 TCR |
| NAICS-TCR | American Water | 4.0 TCR |
| NAICS-TCR | CCWA BUELLTON ADMINISTRATIVE OFFICE | 3.9 TCR |
| NAICS-TCR | UTY - West - Boise,ID | 3.9 TCR |
| STATE-SIZE | Columbia Crest Estate Vineyards #10 | 60 FTE |
| STATE-SIZE | FV Clipper Surprise | 60 FTE |
| STATE-SIZE | Cascade Natural Gas General office | 60 FTE |
| STATE-SIZE | Restoration 1 of Spokane | 60 FTE |
| CITY-NEAR | SWY-0027-0027-00555 FAC-00555-SAMMAMISH-WA | 125 FTE |
| CITY-NEAR | 6400-SWY-0027-0027-00555 | 125 FTE |
| CITY-NEAR | 6400-SWY 0027 0555 | 125 FTE |
| CITY-NEAR | 705-00824 | 102 FTE |
| NAT-TCR | Marietta Drapery & Window Coverings Co., Inc. | 4.0 TCR |
| NAT-TCR | South Service Center | 4.0 TCR |
| NAT-TCR | Cherokee Enterprises, Inc. | 4.0 TCR |
| NAT-TCR | Biomark Inc | 4.0 TCR |
| NAT-SIZE | Kendall-Jackson Wine Estate and Garden | 60 FTE |
| NAT-SIZE | Calportland Construction - Ready Mix Division | 60 FTE |
| NAT-SIZE | Avalon Transportation Services, Inc. | 60 FTE |
| NAT-SIZE | VNA of Boston 1 | 60 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.