CarrierScore

WESTERN WATER WORKS SUPPLY COMPANY

ActiveNot RatedINTERSTATE

Based in CHINO HILLS, California, WESTERN WATER WORKS SUPPLY COMPANY is a motor carrier registered under USDOT 138898. With 23 power units and 22 drivers, the company operates as a smaller fleet carrier. Their vehicle out-of-service rate of 0.0% is below the national average of 20.7%, suggesting relatively well-maintained equipment. The carrier has only 0% of required liability insurance on file — a coverage gap of $750K. Our composite safety score rates this carrier at 65/100, indicating a mixed safety profile that warrants closer review.

23
Power Units
22
Drivers
138898
USDOT #
65/100
Safety Score
⚠️

Insurance Coverage Gap

This carrier has $0 in liability insurance on file but $750K is required — a shortfall of $750K (0% of required coverage).

Company Details

Legal Name
WESTERN WATER WORKS SUPPLY COMPANY
USDOT Number
138898
Entity Type
CARRIER
Address
5831 PINE AVE
CHINO HILLS, CA 91709
Carrier Operation
Interstate
Last MCS-150 Update
November 26, 2025

Inspection Record

TypeTotalOOSRateNat'l Avg
Vehicle100.0%20.7%
Driver100.0%5.5%
Hazmat000.0%4.5%

BASICs Safety Scores

Unsafe Driving0%
Crash IndicatorN/A
HOS Compliance0%
Vehicle Maintenance1.83%
Controlled Substances0%
Hazmat ComplianceN/A
Driver Fitness0.25%

Higher percentile = worse safety performance. Scores above 75% may trigger FMCSA intervention.

Location

5831 PINE AVE, CHINO HILLS, CA 91709

Frequently Asked Questions

What is WESTERN WATER WORKS SUPPLY COMPANY's USDOT number?
WESTERN WATER WORKS SUPPLY COMPANY's USDOT number is 138898. The company is based in CHINO HILLS, California.
Is WESTERN WATER WORKS SUPPLY COMPANY a safe trucking company?
WESTERN WATER WORKS SUPPLY COMPANY has not received a formal safety rating from FMCSA. The company has had 1 vehicle inspections with a 0.0% out-of-service rate (national average: 20.7%).
How many trucks does WESTERN WATER WORKS SUPPLY COMPANY have?
WESTERN WATER WORKS SUPPLY COMPANY operates 23 power units (trucks/commercial vehicles) and employs 22 drivers, according to their latest FMCSA filing.

Source: FMCSA Safety and Fitness Electronic Records (SAFER) System