Governor's Office Emergency Services
Hazardous Materials Spill Report

    DATE: 12/01/2024
    TIME: 1650
    RECEIVED BY:
    CONTROL#:
    Cal OES - 24-6702
    NRC -
1.a. PERSON NOTIFYING Cal OES:
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
Los Angeles County Public Works
1.b. PERSON REPORTING SPILL (If different from above):
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
2. SUBSTANCE TYPE:
2. a. SUBSTANCE:b.QTY:>=<Amount Measurec. TYPE:d. OTHER:e. PIPELINEf. VESSEL
>= 300 Tons
1. Sewage=800 Gal(s)SEWAGENoNo
2. = NoNo
3. = NoNo
g. DESCRIPTION: Per the reporting party, they were informed today of an ongoing release that has persisted for several months. The release is emanating from a manhole located in a private asphalt parking lot, flowing into a nearby storm drain. At the time of this report, the destination of the storm drain remains unidentified. The release has not been stopped or contained, and it is currently unclear who will be responsible for managing the cleanup efforts.
h. STOPPAGE/CONTAINMENT:i. WATER INVOLVED: j. WATERWAY:k. DRINKING WATER IMPACTED
Not stopped, Not containedYesStorm drainUnknown
l. MARITIME VESSEL
No
m. KNOWN IMPACT
None
3. a. INCIDENT LOCATION: 235 S Diamond Bar Blvd.
b. CITY:c. COUNTY: d. ZIP:
Diamond Bar
Los Angeles County91765SOUTH COAST AQMD
4. INCIDENT DESCRIPTION:
a. DATE:b. TIME (Military):c. SITE:d. REPORTED CAUSE
12/01/20241430 Merchant/Business Unknown
e. INJURIESf. FATALITY g. EVACUATIONh. CLEANUP BY:
NoNoNoUnknown
6. NOTIFICATION INFORMATION:
a. ON SCENE:b. OTHER ON SCENE: c. OTHER NOTIFIED:
Los Angeles County Department of Health
d. ADMIN. AGENCY: LACoFD Health Haz-Mate. SEC. AGENCY:
f. ADDITIONAL COUNTY: g. ADMIN. AGENCY:
h. NOTIFICATION LIST:
Cal GEM:
RWQCB Unit:

4
Cal OES Region:
AA/CUPA, DTSC, RWQCB, US EPA, USFWS, CDPH-D.O., DWP-DO, LANDS, PARKS & REC, Co/WP, Co/Hlth, Co/E-Hlth
Photo Attachment:
11. Cal OES Reg.
********* Control No: 24-6702 *********

Created by: Warning Center on: 12/01/2024 04:50:39 PM Last Modified by: Warning Center on: 12/01/2024 05:08:40 PM