Governor's Office Emergency Services
Hazardous Materials Spill Report

    DATE: 09/13/2023
    TIME: 1552
    RECEIVED BY:
    CONTROL#:
    Cal OES - 23-5892
    NRC -
1.a. PERSON NOTIFYING Cal OES:
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
California State Parks
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. Gasoline<20 Gal(s)PETROLEUMNoNo
2. = NoNo
3. = NoNo
g. DESCRIPTION: RP stated, An unattended vehicle rolled into a creek led to the release of approximately twenty gallons of gasoline. At the time of this report it is currently unknown if the release is stopped, contained, recoverable, or cleaned up. The release is in the West Sycamore Creek, following the contours and into the west fork of the West Sycamore Creek. It is unknown if the NRC will be contacted and OES may be contacted in regards to this release.
h. STOPPAGE/CONTAINMENT:i. WATER INVOLVED: j. WATERWAY:k. DRINKING WATER IMPACTED
Unknown if stopped, Unknown if containedYesWest Sycamore CreekNo
l. MARITIME VESSEL
m. KNOWN IMPACT
None
3. a. INCIDENT LOCATION: S. Gate Rd. (Latitude: 37.85082, Longitude: -121.93042
b. CITY:c. COUNTY: d. ZIP:
Walnut Creek
Contra Costa County94939BAY AREA AQMD
4. INCIDENT DESCRIPTION:
a. DATE:b. TIME (Military):c. SITE:d. REPORTED CAUSE
09/13/20231134 Waterways Human Error
e. INJURIESf. FATALITY g. EVACUATIONh. CLEANUP BY:
NoNoNoReporting Party
6. NOTIFICATION INFORMATION:
a. ON SCENE:b. OTHER ON SCENE: c. OTHER NOTIFIED:
DFG/OSPRCalifornia State Parks
d. ADMIN. AGENCY: Contra Costa County Health Services Departmente. SEC. AGENCY:
f. ADDITIONAL COUNTY: g. ADMIN. AGENCY:
h. NOTIFICATION LIST:
Cal GEM:
RWQCB Unit:

2
Cal OES Region:
AA/CUPA, DTSC, RWQCB, US EPA, USFWS, DFW-OSPR, CDPH-D.O., DWP-DO, LANDS, PARKS & REC, Co/WP, Co/Hlth, Co/E-Hlth
Photo Attachment:
11. Cal OES Reg.
********* Control No: 23-5892 *********

Created by: Warning Center on: 09/13/2023 03:52:08 PM Last Modified by: Warning Center on: 09/13/2023 04:10:07 PM