H2
H2Where
Hydrogen Station Finder
MapJourney Planner
  1. Home
  2. United States
  3. Diamond Bar
  4. South Coast Air Quality Management District - Diamond Bar
View on map
Live status coming soon350 bar & 700 bar

South Coast Air Quality Management District - Diamond Bar

21865 Copley Dr, Diamond Bar, United States

100%
30-day uptime
Get DirectionsView on Map

Station Details

Pressure
350 bar, 700 bar
Hours
24 hours
Operator
Independent operator
Hydrogen Source
Gaseous H2 Delivery
Available
180 kg
Renewable
33%

Reliability & Technical Details

7-Day Uptime
100%
30-Day Uptime
100%
90-Day Uptime
100%
Last Data Sync
4/3/2026, 9:00:48 PM
Station ID
HYW-US-153941
Coordinates
34.001326, -117.830482
Access
Public
Phone
800-224-2724
Website
https://epc4h2.com

Data aggregated from multiple sources including operator feeds and public databases. Status updates are refreshed periodically.

Want live status updates? Tell Independent operator to partner with H2Where

Community Reports

No recent reports from drivers.

Help other drivers - takes 10 seconds

Station Photos

No photos yet

21865 Copley Dr
Diamond Bar, US

H2
H2Where
Hydrogen Station Finder

The single source of truth for hydrogen mobility. Find hydrogen refueling stations, check real-time availability, and plan your journey with confidence.

A nifty tool by hy.works

Navigate

  • Map
  • Journey Planner
  • Stations in USA
  • Stations in Germany

Legal

  • Privacy Policy
  • Terms of Service

© 2026 H2Where. All rights reserved.

Station data from NREL, H2FCP, and other official sources.