Walnut, CA ·
OSHA Injury Report: Walnut Valley Water District
Injury · Job transfer or restriction
At a glance
On , an injury at Walnut Valley Water District in 271 S. Brea Canyon Rd., Walnut, CA 91789 resulted in job transfer or restriction. Employee was CS Lead in water control and quality program administration.
Where did this happen?
- Establishment
- Walnut Valley Water District
- Parent company
- Walnut Valley Water District
- Street
- 271 S. Brea Canyon Rd.
- City
- Walnut
- State
- CA
- ZIP
- 91789
- On-site location
- Diamond Bar, General District
What was the outcome?
- Outcome
- Job transfer or restriction (code 3)
- Type
- Injury (code 1)
- Days restricted or transferred
- 29
Before the incident
Pulling roots in small meter vaults.
What happened
The worker did not note any specific time when the injury took place. After taking her lunch break at the district office she went to do some computer work and noticed some pain in her right hand at the base of the thumb when using a mouse.
Injury or illness
Soreness at the base of the right thumb.
Object or substance involved
Repetitive action of pulling roots
Summary line
Soreness at base of right thumb
Employee and industry
- Job description
- CS Lead
- SOC code
- 00-9900: Insufficient Information - NIOSH
- NAICS code
- 924110: Water control and quality program administration
- NAICS vintage
- 2022
- Employees at this establishment (2025 average)
- 57
- Hours worked at this establishment (2025 total)
- 98,899
- EIN
- 956004713
- Establishment ID
- 1347490
- Employer case #
- 225
When (timing detail)
- Date of incident
- Time of incident
- Not known — the employer filed this case without a time of day.
- Filing year
- 2025
- Submitted to OSHA
- 2026-02-12
More injuries at Walnut Valley Water District
View Walnut Valley Water District's full OSHA safety record →
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Source
Data from OSHA ITA Form 300/301 electronic submissions, filing year 2025. ITA Case Detail records are establishment-reported submissions, not OSHA inspections, so no per-record IMIS deep link exists.
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