Governor's Office Emergency Services
Hazardous Materials Spill Report

    DATE: 12/30/2024
    TIME: 0851
    RECEIVED BY:
    CONTROL#:
    Cal OES - 24-7233
    NRC -
1.a. PERSON NOTIFYING Cal OES:
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
Triunfo Water and Sanitation District
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=2,500 Gal(s)SEWAGENoNo
2. = NoNo
3. = NoNo
g. DESCRIPTION: Per the Reporting Party: A pile of gravel placed on top of main hole caused a blockage in the sewer main causing the release of material through a man hole, onto a dirt surface and then into Lake Sherwood (private HOA). The release has been stopped; Triunfo Crews are on scene removing gravel from the sewer main. Crews on scene are utilizing a vac truck to remove material from the surface. Crews are posting signs at the lake and taking lake water samples for testing. It is unknown how much of the release made it into the lake.
h. STOPPAGE/CONTAINMENT:i. WATER INVOLVED: j. WATERWAY:k. DRINKING WATER IMPACTED
Stopped, Not containedYesLake SherwoodNo
l. MARITIME VESSEL
No
m. KNOWN IMPACT
Unknown
3. a. INCIDENT LOCATION: 2591 Caldourne Lane
b. CITY:c. COUNTY: d. ZIP:
Lake Sherwood
Ventura County93161VENTURA COUNTY APCD
4. INCIDENT DESCRIPTION:
a. DATE:b. TIME (Military):c. SITE:d. REPORTED CAUSE
12/29/20241815 Waterways Blockage
e. INJURIESf. FATALITY g. EVACUATIONh. CLEANUP BY:
NoNoNoReporting Party
6. NOTIFICATION INFORMATION:
a. ON SCENE:b. OTHER ON SCENE: c. OTHER NOTIFIED:
HOA
d. ADMIN. AGENCY: Ventura County Environmental Healthe. 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: 24-7233 *********

Created by: Warning Center on: 12/30/2024 08:51:40 AM Last Modified by: Warning Center on: 12/30/2024 09:03:35 AM